JP2016188671A - Support member of regeneration pipe and regeneration method of existing pipe - Google Patents

Support member of regeneration pipe and regeneration method of existing pipe Download PDF

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JP2016188671A
JP2016188671A JP2015068741A JP2015068741A JP2016188671A JP 2016188671 A JP2016188671 A JP 2016188671A JP 2015068741 A JP2015068741 A JP 2015068741A JP 2015068741 A JP2015068741 A JP 2015068741A JP 2016188671 A JP2016188671 A JP 2016188671A
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pipe
existing pipe
existing
rehabilitation
support member
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JP6622476B2 (en
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政浩 山崎
Masahiro Yamazaki
政浩 山崎
克則 吉野
Katsunori Yoshino
克則 吉野
佳郎 杉山
Yoshiro Sugiyama
佳郎 杉山
宏樹 瀬沼
Hiroki Senuma
宏樹 瀬沼
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Sekisui Chemical Co Ltd
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Sekisui Chemical Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a support member of a regeneration pipe which can prevent a regeneration pipe from deforming or floating caused by buoyancy acting on the regeneration pipe, and is easy to be installed.SOLUTION: A support member 1 includes: an arc-shaped support plate part 3 that has a peripheral length larger than the half of an outer periphery length of a regeneration pipe 102, and an inner diameter corresponding to the outer diameter of the regeneration pipe 102, and that is disposed along the outer surface of the regeneration pipe 102; and a plurality of interval holding parts 4 that is arranged on the outer surface of the support plate part 3, and keeps an interval between the inner surface of an existing pipe 101 and the outer surface of the regeneration pipe 102. The interval holding part 4 can change a projection amount from the outer surface of the support plate part 3 to a radial direction, and for each installation plate in the existing pipe 101, can increase/decrease the projection amount individually.SELECTED DRAWING: Figure 1

Description

本発明は、既設管の更生に用いる更生管の支持部材、および前記支持部材を用いた既設管の更生方法に関する。   The present invention relates to a support member for a rehabilitated pipe used for rehabilitating an existing pipe, and a method for rehabilitating an existing pipe using the support member.

従来から、老朽化した下水道管等の既設管を、内部に更生管を配設して補修することが広く実施されている。更生管は、例えば、両側縁部に接合部を有する帯状部材を、既設管内で螺旋状に巻き回し、隣接した帯状部材の接合部同士を接合して形成される。製管した後、更生管と既設管との間隙には裏込め材を注入し、既設管と更生管とを一体化させる。   Conventionally, it has been widely practiced to repair existing pipes such as sewer pipes that have deteriorated by arranging rehabilitation pipes inside. The rehabilitation pipe is formed, for example, by winding a band-shaped member having joints on both side edges in a spiral shape within an existing pipe and joining the joints of adjacent band-shaped members. After the pipes are made, a backfilling material is injected into the gap between the renovated pipe and the existing pipe, and the existing pipe and the renewed pipe are integrated.

既設管と更生管との間隙に裏込め材を注入すると、更生管には、その内空体積や裏込め材の密度に応じて、浮力が作用する。更生管の管径が大きくなるほど浮力は大きくなり、更生管が浮き上がり、既設管の内面に押し付けられて円形の断面形状がつぶれ、楕円形状に変形してしまう。更生管が楕円形状に変形すると、排水勾配が変化して排水能力が低下するとともに更生管の強度が低下して好ましくない。そこで、例えば特許文献1、2に開示されるような支保工装置を、更生管の内部に間隔をおいて複数設置することで、更生管の変形を防止する必要性があった。   When the backfilling material is injected into the gap between the existing pipe and the rehabilitation pipe, buoyancy acts on the rehabilitation pipe according to the inner volume and the density of the backfilling material. The buoyancy increases as the pipe diameter of the rehabilitation pipe increases, and the rehabilitation pipe rises and is pressed against the inner surface of the existing pipe, causing the circular cross-sectional shape to collapse and deform into an elliptical shape. If the rehabilitation pipe is deformed into an elliptical shape, the drainage gradient is changed, the drainage capacity is lowered, and the strength of the rehabilitation pipe is lowered, which is not preferable. Therefore, for example, there has been a need to prevent deformation of the rehabilitating pipe by installing a plurality of support devices as disclosed in Patent Documents 1 and 2 at intervals inside the rehabilitating pipe.

また、特許文献3には、既設管の頂部に、既設管の全長にわたってスペーサを設置することが提案されている。このスペーサを既設管に設置するためには、アンカーボルト等を既設管に打ち込むことでスペーサを固定する工程が必要とされる。   Patent Document 3 proposes to install a spacer over the entire length of the existing pipe at the top of the existing pipe. In order to install this spacer on the existing pipe, a step of fixing the spacer by driving an anchor bolt or the like into the existing pipe is required.

特許第2898195号公報Japanese Patent No. 2898195 特開平10−121565号公報JP-A-10-121565 特開平7−100925号公報Japanese Patent Laid-Open No. 7-100955

従来の支保工装置では、多数の支保材の設置作業および撤去作業に時間と手間を要するという不都合に加え、更生管に貫通孔を形成したり支保材の引抜き跡の孔を閉塞処理したりする作業も必要となって、作業期間が長期化する問題点があった。   In the conventional support apparatus, in addition to the inconvenience that it takes time and labor to install and remove a large number of support materials, a through hole is formed in the rehabilitation pipe or the hole of the trace of the support material is closed. There is a problem that work is required and the work period becomes longer.

また、更生を要するような老朽化した既設管は腐食等によって肉厚が減少していることがあり、特許文献3に開示されるようなスペーサでは、安定的に固定して用いることができないという問題点がある。すなわち、既設管内の肉厚が減少した部分では、スペーサを既設管に一様に当接させて設置することができず、更生管の設置高さに変動を生じてしまうこととなる。既設管に鉄筋等が埋設されている場合には、アンカーボルトを既設管に打ち込むことも困難となる。仮に、スペーサをアンカーボルトにより固定できたとしても、固定作業に多くの時間を要するうえ、作業効率も悪い。また、スペーサは長尺体であるので、既設管内に搬入し設置する作業が簡単なものとはいえない。更生管は、既設管内でスペーサに押し付けられており、施工後の断面形状は円形ではなく、楕円形状に変形する。   In addition, the existing pipes that need to be rehabilitated may have a reduced thickness due to corrosion or the like, and the spacer as disclosed in Patent Document 3 cannot be stably fixed and used. There is a problem. That is, in the portion where the thickness in the existing pipe has decreased, the spacer cannot be installed in contact with the existing pipe uniformly, and the installation height of the renovated pipe will vary. When a reinforcing bar or the like is embedded in the existing pipe, it is difficult to drive the anchor bolt into the existing pipe. Even if the spacer can be fixed by the anchor bolt, the fixing work requires a lot of time and the working efficiency is also poor. Moreover, since the spacer is a long body, it cannot be said that the work of carrying in and installing in the existing pipe is easy. The rehabilitation pipe is pressed against the spacer in the existing pipe, and the cross-sectional shape after construction is not circular but deformed into an elliptical shape.

したがって、従来の更生管の支持部材は、更生管が変形するのを防止したり、既設管内で更生管が浮上するのを防止したりするものとはならず、既設管の多様な内面状況にも対応しうるものではなかった。   Therefore, the conventional support member for the rehabilitation pipe does not prevent the rehabilitation pipe from being deformed or prevent the rehabilitation pipe from rising inside the existing pipe, It was not something that could be handled.

本発明は上記のような問題点にかんがみてなされたものであり、その目的とするところは、老朽化して肉厚の減少や内面の局所的な凹凸部を有する既設管であっても、更生管が変形したり浮上したりするのを防止しうる設置作業の容易な支持部材を提供し、当該支持部材によって更生管を支持しつつ既設管の更生を行うことにより、更生管の断面形状を適正な形状に保持し、更生後の管路に十分な強度と排水能力とを備えさせ、短時間で効率のよい更生作業を可能にすることにある。   The present invention has been made in view of the above-mentioned problems, and the object of the present invention is to rehabilitate even existing pipes that are aging and have reduced thickness and local irregularities on the inner surface. By providing a support member that can be easily installed and capable of preventing the pipe from being deformed or floating, and by rehabilitating the existing pipe while supporting the rehabilitation pipe by the support member, the cross-sectional shape of the rehabilitation pipe can be reduced. The object is to maintain an appropriate shape and to provide the pipe line after rehabilitation with sufficient strength and drainage capacity to enable efficient rehabilitation work in a short time.

前記の目的を達成するため本発明では、既設管内に配設されて既設管を更生する更生管の支持部材として、更生管の外周長の半周以上の周長と、更生管の外径に対応する内径とを有して、更生管の外面に沿って配設される弧状の支持板部と、支持板部の外面に備えられ、既設管の内面と更生管の外面との間隔を保つ複数の間隔保持手段とを備えさせる。そして、間隔保持手段を、支持板部の外面から径方向への突出量が変更可能なものとし、既設管内での設置箇所ごとに個別に突出量を増減しうるように構成している。   In order to achieve the above object, in the present invention, as a support member for the rehabilitation pipe disposed in the existing pipe and rehabilitating the existing pipe, the outer circumference of the rehabilitation pipe is longer than a half circumference and the outer diameter of the rehabilitation pipe. A plurality of arcuate support plate portions disposed along the outer surface of the rehabilitating pipe, and provided on the outer surface of the support plate portion, and maintaining a distance between the inner surface of the existing pipe and the outer surface of the rehabilitation pipe And an interval holding means. And the space | interval holding | maintenance means shall be able to change the protrusion amount to the radial direction from the outer surface of a support plate part, and is comprised so that protrusion amount can be increased / decreased separately for every installation location in an existing pipe.

これにより、更生管の支持部材は、支持板部が更生管の外周長の半周以上にわたって更生管に当接し、既設管の内面に更生管を支持して、更生管を適正な断面形状に維持する。間隔保持手段は、支持板部の外面から径方向への突出量が変更可能であるので、既設管に生じている内面の凹凸部や、肉厚の減少部に対応させて個別に突出量を増減させて固定することができる。このため、内面の腐食等の状態が多様な既設管に対して、間隔保持手段の突出量を調整して配置することができ、既設管内で更生管を安定的に支持することが可能となる。既設管と更生管との間に裏込め材を充填する際には、更生管に作用する浮力によって更生管が変形したり浮上したりするのを防止することが可能となる。   As a result, the support member of the rehabilitated pipe has its support plate part in contact with the rehabilitated pipe over the outer circumference of the rehabilitated pipe, and supports the rehabilitated pipe on the inner surface of the existing pipe to maintain the rehabilitated pipe in an appropriate cross-sectional shape To do. Since the distance holding means can change the amount of protrusion in the radial direction from the outer surface of the support plate portion, the amount of protrusion can be individually adjusted to correspond to the uneven portion of the inner surface generated in the existing pipe or the reduced thickness portion. It can be fixed by increasing or decreasing. For this reason, it is possible to arrange the projecting amount of the interval holding means with respect to the existing pipe having various states such as corrosion of the inner surface, and it is possible to stably support the renovated pipe in the existing pipe. . When filling the backfilling material between the existing pipe and the rehabilitation pipe, it is possible to prevent the rehabilitation pipe from being deformed or lifted by the buoyancy acting on the rehabilitation pipe.

さらに、支持部材は、既設管と接触するような管軸方向に長い部材を有しないので、曲がり管路や屈曲管路においても、既設管の曲がり角度や屈曲角度に影響されることがなく、どのような形状の管路にも配置することができ、間隔保持手段の突出量の増減もスムーズに行うことができる。   Furthermore, since the support member does not have a member that is long in the tube axis direction so as to come into contact with the existing pipe, even in a bent pipe line or a bent pipe line, it is not affected by the bending angle or bending angle of the existing pipe, It can be arranged in any shape of pipe line, and the amount of protrusion of the interval holding means can be increased or decreased smoothly.

前記更生管の支持部材の具体的な構成としては次のようなものが挙げられる。   Specific examples of the support member for the rehabilitation pipe include the following.

前記支持部材における間隔保持手段を、既設管の径方向または管軸方向に進退するねじ調整機構を備える構成とすることが好ましい。また、間隔保持手段として、既設管の内面と更生管の外面との間で伸縮変形する弾性部材を備えさせてもよい。   It is preferable that the interval holding means in the support member includes a screw adjustment mechanism that advances and retreats in the radial direction of the existing pipe or the pipe axis direction. Moreover, you may provide the elastic member which expands / contracts between the inner surface of an existing pipe and the outer surface of a renovated pipe as a space | interval holding means.

また、間隔保持手段には、支持板部の外面側にヒンジ留めされて支持板部の外方へ回動する係止部材を備えさせ、係止部材の外面に設けられたローレット部が既設管の内面に係止するように構成してもよい。   In addition, the interval holding means includes a locking member that is hinged to the outer surface side of the support plate portion and rotates outwardly of the support plate portion, and the knurled portion provided on the outer surface of the lock member has an existing pipe. You may comprise so that it may latch on the inner surface.

また、間隔保持手段には、管軸方向に配置された圧入部と、径方向に配置された被圧入部とを備えさせ、圧入部と被圧入部とを双方の斜面を介して接触させ、圧入部を管軸方向に押し込んで、被圧入部を径方向に進出させ、既設管の内面に圧接するように構成してもよい。   Further, the spacing holding means includes a press-fit portion arranged in the tube axis direction and a press-fit portion arranged in the radial direction, and the press-fit portion and the press-fit portion are brought into contact with each other through both inclined surfaces, You may comprise so that a press-fit part may be pushed in to a pipe-axis direction, a press-fit part may be advanced to radial direction, and it may press-contact to the inner surface of an existing pipe.

いずれの構成にあっても、既設管と更生管との間に、間隔保持手段を適当な突出量にして支持板部を配置し、簡単な作業で支持部材を固定することができ、更生管を安定的に支持することが可能となる。   Regardless of the configuration, the support plate part can be arranged between the existing pipe and the rehabilitation pipe with a suitable distance between the holding means, and the support member can be fixed by a simple operation. Can be stably supported.

上述の目的を達成するため、前記支持部材を用いて行う既設管の更生方法も本発明の技術的思想の範疇である。本発明では既設管の更生方法として、既設管内に配設した更生管の外面と既設管の内面との間に支持部材を差し込み、更生管の外面に沿って支持板部を配置する工程と、間隔保持手段の径方向への突出量を調整する工程とを含み、更生管を複数の支持部材により既設管内に支持し、この状態で既設管と更生管との間に裏込め材を充填する構成としている。   In order to achieve the above object, a method for rehabilitating an existing pipe using the support member is also within the scope of the technical idea of the present invention. In the present invention, as a method of rehabilitating the existing pipe, a step of inserting a support member between the outer surface of the rehabilitated pipe disposed in the existing pipe and the inner surface of the existing pipe, and disposing the support plate along the outer surface of the rehabilitated pipe; A step of adjusting the radial protrusion amount of the interval holding means, and supporting the rehabilitation pipe in the existing pipe by a plurality of support members, and filling the backfill material between the existing pipe and the rehabilitation pipe in this state It is configured.

これにより、更生管は既設管内で所望の高さ位置に支持されるとともに、外面が支持板部および間隔保持手段により適正な形状のまま保持される。したがって、既設管と更生管との間に裏込め材を充填するときに、更生管が変形したり既設管内で浮上したりするのを防止でき、効率のよい作業で信頼性の高い管路更生を行うことができる。   Accordingly, the rehabilitated pipe is supported at a desired height position in the existing pipe, and the outer surface is held in an appropriate shape by the support plate portion and the interval holding means. Therefore, when filling the backfilling material between the existing pipe and the rehabilitation pipe, it is possible to prevent the rehabilitation pipe from being deformed or floating in the existing pipe, and to rehabilitate the pipe with high efficiency and high reliability. It can be performed.

本発明に係る更生管の支持部材によれば、更生管に作用する浮力によって更生管が浮上したり変形したりするのを防止して、適正な断面形状に維持して更生作業を進めることができる。また、簡単な作業で支持部材を設置して用いることができ、撤去作業を必要とせず、既設管の更生作業にかかる工期の大幅な短縮化を図ることができる。   According to the support member of the rehabilitation pipe according to the present invention, the rehabilitation pipe can be prevented from rising or deforming due to the buoyancy acting on the rehabilitation pipe, and the rehabilitation work can be performed while maintaining an appropriate cross-sectional shape. it can. In addition, the support member can be installed and used by a simple operation, and no removal operation is required, so that the construction period for rehabilitation of the existing pipe can be greatly shortened.

本発明の実施形態1に係る更生管の支持部材を示す斜視図である。It is a perspective view which shows the supporting member of the rehabilitation pipe | tube which concerns on Embodiment 1 of this invention. 前記支持部材の正面図である。It is a front view of the support member. 前記支持部材により既設管内の更生管を支持する様子を示す断面図である。It is sectional drawing which shows a mode that the rehabilitation pipe | tube in an existing pipe | tube is supported by the said supporting member. 前記支持部材に連結部材を連結する様子を示す説明図である。It is explanatory drawing which shows a mode that a connection member is connected with the said support member. 前記支持部材を用いた既設管の更生方法を示す説明図である。It is explanatory drawing which shows the rehabilitation method of the existing pipe | tube using the said supporting member. 前記支持部材により既設管内の更生管を支持する様子を支持部材の上方から見て示す説明図である。It is explanatory drawing which shows a mode that the rehabilitation pipe | tube in an existing pipe | tube is supported by the said support member seeing from the upper direction of a support member. 更生後の既設管を示す断面図である。It is sectional drawing which shows the existing pipe after rehabilitation. 前記支持部材の他の例を示す正面図である。It is a front view which shows the other example of the said supporting member. 前記支持部材のさらに他の例を示す斜視図である。It is a perspective view which shows the other example of the said supporting member. 本発明の実施形態2に係る更生管の支持部材を示す斜視図である。It is a perspective view which shows the support member of the rehabilitation pipe | tube which concerns on Embodiment 2 of this invention. 本発明の実施形態3に係る更生管の支持部材を示し、間隔保持手段を拡大して示す説明図である。It is explanatory drawing which shows the support member of the rehabilitation pipe | tube which concerns on Embodiment 3 of this invention, and expands and shows a space | interval holding means. 図11の形態における使用状態を示す説明図である。It is explanatory drawing which shows the use condition in the form of FIG. 本発明の実施形態4に係る更生管の支持部材を示し、間隔保持手段を拡大して示す説明図である。It is explanatory drawing which shows the support member of the rehabilitation pipe | tube which concerns on Embodiment 4 of this invention, and expands and shows a space | interval holding means. 本発明の実施形態5に係る更生管の支持部材を示し、間隔保持手段を拡大して示す説明図である。It is explanatory drawing which shows the support member of the rehabilitation pipe | tube which concerns on Embodiment 5 of this invention, and expands and shows a space | interval holding means. 図14の形態における使用状態を示す説明図である。It is explanatory drawing which shows the use condition in the form of FIG.

以下、本発明の実施形態に係る更生管の支持部材について、図面を参照しつつ説明する。   Hereinafter, a support member for a rehabilitation pipe according to an embodiment of the present invention will be described with reference to the drawings.

(実施形態1)
支持部材1は、既設管の内面と更生管の外面との間に裏込め材を充填するにあたり、既設管内に設けられる更生管を外面から支持するために用いられる。
(Embodiment 1)
The support member 1 is used to support the rehabilitating pipe provided in the existing pipe from the outer surface when filling the backfill material between the inner surface of the existing pipe and the outer surface of the rehabilitation pipe.

図1〜図3に示すように、実施形態1に係る支持部材1は、本体部2が支持板部3と支持板部3の外面に備えられた複数の間隔保持部4とを有している。支持板部3は、既設管101の内面と略同等または該内面よりも大きい曲率を有する断面略半円形状に形成された帯板材である。支持板部3は、更生管102の外径に対応させた内径を有し、更生管102の外周長の半周以上の周長を有する鋼板等により形成され可撓性を有する。支持板部3の軸方向の長さ(板幅)は、更生管102を構成する帯状部材の部材幅と同等または帯状部材の幅の2倍程度までの長さで形成することができる。   As shown in FIGS. 1 to 3, the support member 1 according to the first embodiment includes a main body portion 2 having a support plate portion 3 and a plurality of interval holding portions 4 provided on the outer surface of the support plate portion 3. Yes. The support plate portion 3 is a band plate material formed in a substantially semicircular cross section having a curvature that is substantially equal to or larger than the inner surface of the existing pipe 101. The support plate portion 3 has an inner diameter corresponding to the outer diameter of the rehabilitated tube 102, and is formed of a steel plate or the like having a circumferential length equal to or greater than a half of the outer circumferential length of the rehabilitated tube 102, and has flexibility. The length (plate width) in the axial direction of the support plate portion 3 can be formed to be equal to the member width of the strip-shaped member constituting the rehabilitation pipe 102 or up to about twice the width of the strip-shaped member.

支持板部3の外面には、複数箇所に間隔保持部(間隔保持手段)4が突設されている。間隔保持部4は、既設管101の内面と更生管102の外面との間で伸縮する弾性部材を備えている。例示の形態では、間隔保持部4の弾性部材としてコイルバネ(圧縮コイルバネ)51が備えられている。コイルバネ51は円筒形であり、支持板部3の外面に接合されたリングナット52またはリング状のスペーサ部材に基端側が保持され、リングナット52の中心と同心状に設けられている。コイルバネ51は、基端側のリングナット52により歪みを生じることなく径方向に伸縮する。   On the outer surface of the support plate portion 3, interval holding portions (interval holding means) 4 are protruded at a plurality of locations. The space | interval holding | maintenance part 4 is equipped with the elastic member which expands-contracts between the inner surface of the existing pipe | tube 101, and the outer surface of the renovated pipe | tube 102. As shown in FIG. In the illustrated embodiment, a coil spring (compression coil spring) 51 is provided as an elastic member of the interval holding unit 4. The coil spring 51 has a cylindrical shape, the proximal end side is held by a ring nut 52 or a ring-shaped spacer member joined to the outer surface of the support plate portion 3, and is provided concentrically with the center of the ring nut 52. The coil spring 51 expands and contracts in the radial direction without causing distortion by the ring nut 52 on the proximal end side.

間隔保持部4において、コイルバネ51は、支持板部3の外面に、更生管102の軸心に対して放射状に立設され、更生管102の径方向に伸縮しうるように設けられている。図2に示すように、コイルバネ51は、支持板部3の湾曲した外面の頂部と、軸方向から見て右側と左側、さらにこれらの中間位置との、合計5箇所に立設されている。コイルバネ51の高さは、既設管101の内径および更生管102の外径、あるいは、支持板部3に対する配設位置に基づいて設定されている。コイルバネ51は先端部が既設管101の内面に接触し、押圧され、更生管102の径方向に伸縮する。   In the interval holding unit 4, the coil springs 51 are provided on the outer surface of the support plate 3 so as to be radiated with respect to the axis of the rehabilitating tube 102 and extend and contract in the radial direction of the rehabilitating tube 102. As shown in FIG. 2, the coil springs 51 are erected at a total of five locations: the top of the curved outer surface of the support plate portion 3, the right side and the left side as viewed from the axial direction, and an intermediate position thereof. The height of the coil spring 51 is set based on the inner diameter of the existing pipe 101 and the outer diameter of the rehabilitated pipe 102 or the arrangement position with respect to the support plate portion 3. The tip of the coil spring 51 comes into contact with the inner surface of the existing pipe 101 and is pressed to expand and contract in the radial direction of the rehabilitated pipe 102.

支持板部3は、図3に例示するように、既設管101の内面の上半部に配設される。間隔保持部4は、コイルバネ51が既設管101の内面に接触して圧縮される。特に、正面から見て左右に配置される2つの間隔保持部4は、既設管101と更生管102との間隔が狭く、コイルバネ51が更生管102の外面と既設管101の内面との間で大きく圧縮される。これにより、支持部材1の本体部2は、既設管101と更生管102との間に固定される。本体部2は、間隔保持部4によって、既設管101の内面と更生管102の外面との間隔を一定に保ち、更生管102を既設管101内に支持する。   As illustrated in FIG. 3, the support plate 3 is disposed on the upper half of the inner surface of the existing pipe 101. The interval holding unit 4 is compressed when the coil spring 51 contacts the inner surface of the existing pipe 101. In particular, the two gap holding portions 4 arranged on the left and right as viewed from the front have a narrow gap between the existing pipe 101 and the rehabilitated pipe 102, and the coil spring 51 is located between the outer surface of the rehabilitated pipe 102 and the inner surface of the existing pipe 101. It is greatly compressed. Thereby, the main body 2 of the support member 1 is fixed between the existing pipe 101 and the rehabilitated pipe 102. The main body 2 supports the rehabilitated tube 102 in the existing tube 101 by keeping the distance between the inner surface of the existing tube 101 and the outer surface of the rehabilitated tube 102 by the interval holding unit 4.

支持部材1は、さらに、本体部2同士を連結するための連結部材9を備えている。図4に示すように、支持板部3の外面の複数の間隔保持部4のうち、軸方向から見て、少なくとも右側と左側との間隔保持部4には、連結部材9がそれぞれ取り付けられる。   The support member 1 further includes a connecting member 9 for connecting the main body portions 2 to each other. As shown in FIG. 4, the connecting members 9 are attached to at least the right and left interval holding portions 4 when viewed from the axial direction among the plurality of interval holding portions 4 on the outer surface of the support plate portion 3.

連結部材9は、所定の長さを有する棒状または帯板状部材とされ、外面91に円柱状の複数の突起部92が備えられている。連結部材9の軸方向の両端部には、間隔保持部4に係合する連結部93を備える。連結部93は、間隔保持部4のリングナット52に係合する鉤状の切欠部として形成されている。   The connecting member 9 is a rod-like or strip-like member having a predetermined length, and a plurality of columnar protrusions 92 are provided on the outer surface 91. At both end portions of the connecting member 9 in the axial direction, connecting portions 93 that engage with the interval holding portion 4 are provided. The connecting portion 93 is formed as a bowl-shaped notch that engages with the ring nut 52 of the interval holding portion 4.

2本の連結部材9は、左右の間隔保持部4にそれぞれ連結されると、連結部材9の複数の突起部92が既設管101の内面に当接する。突起部92は更生管102の外面と既設管101の内面との相互間隔を保つ。また、突起部92は、更生管102を左右側方から支持する作用をなし、更生管102が変形するのを防ぐ。連結部材9における突起部92が設けられていない部分は、既設管101の内面との間に隙間を形成する。かかる隙間は、既設管101と更生管102との間に充填する裏込め材の流路とすることができる。   When the two connecting members 9 are respectively connected to the left and right interval holding portions 4, the plurality of protrusions 92 of the connecting member 9 abut on the inner surface of the existing pipe 101. The protrusion 92 maintains the mutual distance between the outer surface of the rehabilitated tube 102 and the inner surface of the existing tube 101. Further, the projection 92 serves to support the rehabilitation tube 102 from the left and right sides, and prevents the rehabilitation tube 102 from being deformed. A portion of the connecting member 9 where the protrusion 92 is not provided forms a gap with the inner surface of the existing pipe 101. Such a gap can be a flow path for the backfilling material that is filled between the existing pipe 101 and the rehabilitation pipe 102.

なお、支持板部3の外面には、間隔保持部4に加えて、連結部材9の端部に係合される連結用リブが軸方向に沿って設けられてもよい。連結用リブとしては、例えば、支持板部3の軸方向の長さよりも延長して形成されて、径方向の外方(側方)に開放する溝形の断面形状を有し、両端部に連結部材9との係合部を備えるものが好ましい。   In addition to the interval holding portion 4, a connecting rib that is engaged with the end portion of the connecting member 9 may be provided on the outer surface of the support plate portion 3 along the axial direction. As the connecting rib, for example, it is formed to extend from the axial length of the support plate 3 and has a groove-shaped cross-sectional shape that opens outward (side) in the radial direction. What has an engaging part with the connection member 9 is preferable.

既設管101の更生に際しては、図5に示すように、既設管101内に配設された更生管102の外面と既設管101の内面との間に、複数の支持部材1を配設していく。更生管102は、既設管101内で製管機105を用いて形成される。製管機105によって、長尺の帯状部材103は、螺旋状に巻回される。その過程で、先行する帯状部材103の接合部に後続する帯状部材103の接合部が内面側から嵌合し、帯状部材103は順次、管状となる。帯状部材103には、長手方向に沿って連続的に金属製の補強材が装着されており、更生管102の強度および剛性が高められている。   When rehabilitating the existing pipe 101, as shown in FIG. 5, a plurality of support members 1 are arranged between the outer surface of the rehabilitated pipe 102 disposed in the existing pipe 101 and the inner surface of the existing pipe 101. Go. The rehabilitation pipe 102 is formed in the existing pipe 101 using the pipe making machine 105. The long belt-like member 103 is spirally wound by the pipe making machine 105. In the process, the joining portion of the belt-like member 103 following the joining portion of the preceding belt-like member 103 is fitted from the inner surface side, and the belt-like member 103 is sequentially tubular. A metal reinforcing material is continuously attached to the belt-like member 103 along the longitudinal direction, and the strength and rigidity of the rehabilitation pipe 102 are increased.

製管機105により形成した更生管102は、既設管101内で回転することなく、そのまま既設管101内に配設される。したがって、既設管101内で更生管102を順次形成しつつ、これと並行して支持部材1の設置作業を進めることができる。   The renovated pipe 102 formed by the pipe making machine 105 is arranged in the existing pipe 101 as it is without rotating in the existing pipe 101. Therefore, it is possible to proceed with the installation work of the support member 1 in parallel with the rehabilitation pipe 102 being formed in the existing pipe 101 in order.

例えば、図5に示すように、製管機105は図中右側から左側へ進行しつつ製管する。付加形成された更生管102と既設管101の内面との間に隙間ができる。隙間は既設管101の上部ほど大きく形成されている。かかる隙間に対して、製管機105の進行方向の前方から、支持部材1の本体部2を順次差し込んでいく。本体部2は、その外面側を上方へ向けて配設する。これにより、更生管102の外面に沿って複数の支持板部3を配置することができる。   For example, as shown in FIG. 5, the pipe making machine 105 pipes while proceeding from the right side to the left side in the drawing. A gap is formed between the additionally formed rehabilitation pipe 102 and the inner surface of the existing pipe 101. The gap is formed larger toward the upper part of the existing pipe 101. The main body 2 of the support member 1 is sequentially inserted into the gap from the front in the traveling direction of the pipe making machine 105. The main body 2 is arranged with its outer surface facing upward. Thereby, the some support plate part 3 can be arrange | positioned along the outer surface of the rehabilitation pipe | tube 102. FIG.

既設管101は、老朽化によって、肉厚が減少していたり、内面に凹凸部を生じていたりする。そのような場合、既設管101内の上部において、既設管101の内面と更生管102の外面との間隔は多様な寸法となることが想定される。本実施形態に係る支持部材1の間隔保持部4はコイルバネ51を備えるので、間隔保持部4ごとに適宜収縮して支持板部3からの突出量が変化する。このため、既設管101の内面と更生管102の外面との間に、必要な長さ寸法で間隔保持部4を配設することができ、既設管101の内面の状況に対応させて、更生管102を外面から確実に支持することができる。   The existing pipe 101 has a reduced thickness due to aging, or has an uneven portion on the inner surface. In such a case, in the upper part in the existing pipe 101, it is assumed that the space | interval of the inner surface of the existing pipe 101 and the outer surface of the renovated pipe 102 becomes various dimensions. Since the interval holding portion 4 of the support member 1 according to the present embodiment includes the coil spring 51, the interval holding portion 4 is appropriately contracted to change the amount of protrusion from the support plate portion 3. For this reason, the space | interval holding | maintenance part 4 can be arrange | positioned by the required length dimension between the inner surface of the existing pipe 101, and the outer surface of the renovated pipe 102, and according to the condition of the inner surface of the existing pipe 101, rehabilitation is carried out. The tube 102 can be reliably supported from the outer surface.

図5および図6に示すように、支持板部3の外面の左右の間隔保持部4に対して、それぞれ連結部材9を取り付けて、複数の本体部2同士を連結する。図6においては、図面を見やすくするため、既設管101を断面ハッチングを入れて示すとともに、更生管102の外周面に現れる帯状部材103のラインを省略して示している。   As shown in FIGS. 5 and 6, a plurality of main body portions 2 are connected to each other by attaching connecting members 9 to the left and right spacing holding portions 4 on the outer surface of the support plate portion 3. In FIG. 6, in order to make the drawing easier to see, the existing pipe 101 is shown with cross-sectional hatching, and the line of the band-like member 103 that appears on the outer peripheral surface of the rehabilitated pipe 102 is omitted.

連結部材9は、支持板部3の外面および更生管102の外面に沿って軸方向に配設され、支持板部3とともに更生管102を支持する。例えば、連結部材9の一端部を、製管方向の前方から既設管101と更生管102との隙間に差し入れ、間隔保持部4のリングナット52に係合させる。連結部材9の他端部には、新たな支持板部3の外面の間隔保持部4を係合させる。これにより、管軸方向に間隔を設けて複数の支持板部3を相互に連結して配設することができる。   The connecting member 9 is disposed in the axial direction along the outer surface of the support plate portion 3 and the outer surface of the rehabilitation tube 102, and supports the rehabilitation tube 102 together with the support plate portion 3. For example, one end of the connecting member 9 is inserted into the gap between the existing pipe 101 and the renovated pipe 102 from the front in the pipe making direction, and is engaged with the ring nut 52 of the interval holding section 4. A gap holding portion 4 on the outer surface of the new support plate portion 3 is engaged with the other end portion of the connecting member 9. Thereby, the some support plate part 3 can be mutually connected and arrange | positioned at intervals in a pipe-axis direction.

本体部2を、既設管101内の軸方向に間隔を設けて複数配設する場合、更生管102を支持するため、相互間隔をできるだけ詰めて配設することも考えられる。手間やコストを考慮すれば、支持板部3の軸方向の長さは短く形成して製造コストを抑えるとともに、本体部2同士の設置間隔を可能な限り拡げて必要数を減らすことが好ましい。   In the case where a plurality of the main body portions 2 are arranged with an interval in the axial direction in the existing pipe 101, it is conceivable to arrange the main body portions 2 as close as possible to support the rehabilitated pipe 102. Considering the effort and cost, it is preferable to reduce the required number by forming the support plate portion 3 in the axial length short to reduce the manufacturing cost and widening the installation interval between the main body portions 2 as much as possible.

本体部2の設置間隔は、更生管102の管径にもよるが、例えば、支持部材1の支持板部3同士の軸方向の間隔を概ね500〜1000mmに設定することができる。支持板部3の軸方向の長さは、100〜200mmであるので、管路1m当たりの支持板部3の設置数を1以下とすることができる。   Although the installation interval of the main body 2 depends on the diameter of the rehabilitated tube 102, for example, the axial interval between the support plate portions 3 of the support member 1 can be set to approximately 500 to 1000 mm. Since the axial length of the support plate portion 3 is 100 to 200 mm, the number of support plate portions 3 installed per 1 m of the pipe line can be 1 or less.

このように、支持部材1は、既設管101の内部で、本体部2の支持板部3を既設管101の内面に押し当てるように隙間に差し込むだけで容易に設置することができる。また、本体部2の連結作業は、設置した本体部2に対して、製管機105の前方から連結部材9の連結部93と間隔保持部4とを係合させるように挿入する簡単な作業だけで済む。したがって、複数の本体部2を既設管101の管軸方向に沿って、作業性よく短時間で配設していくことが可能である。支持部材1の設置に要する作業は極めて容易であることから、更生作業にかかる作業工数を低減することができる。   Thus, the support member 1 can be easily installed by simply inserting the support plate portion 3 of the main body 2 into the gap so as to press the inner surface of the existing tube 101 inside the existing tube 101. Further, the connecting operation of the main body portion 2 is a simple operation of inserting the connecting portion 93 of the connecting member 9 and the interval holding portion 4 from the front of the pipe making machine 105 into the installed main body portion 2 so as to engage with each other. Just do it. Therefore, it is possible to arrange the plurality of main body portions 2 along the tube axis direction of the existing pipe 101 with good workability in a short time. Since the work required for installing the support member 1 is extremely easy, the number of work steps for the rehabilitation work can be reduced.

既設管101内で、支持板部3は、更生管102の周長の半周以上にわたって配設され、その外面に当接する。連結部材9は、本体部2同士を相互に連結するだけでなく、その側面板72が更生管102の外面に接触して更生管102を支持する。更生管102は、軸方向の左右両側部を支持板部3または連結部材9に保持されて固定される。連結部材9は、軸方向の左右両側に配設されるので、更生管102が支持板部3と接しない範囲にあっても、更生管102の外面を軸方向の左右両側から保持する。   Within the existing pipe 101, the support plate portion 3 is disposed over a half circumference of the circumference of the rehabilitated pipe 102 and abuts on the outer surface thereof. The connecting member 9 not only connects the main body portions 2 to each other, but also supports the rehabilitating tube 102 with its side plate 72 contacting the outer surface of the rehabilitating tube 102. The rehabilitating tube 102 is fixed by holding the left and right sides in the axial direction on the support plate 3 or the connecting member 9. Since the connecting member 9 is disposed on both the left and right sides in the axial direction, the outer surface of the rehabilitated tube 102 is held from both the left and right sides in the axial direction even when the rehabilitated tube 102 is not in contact with the support plate portion 3.

更生管102は、本体部2および連結部材9を介して既設管101内に支持され、既設管101の内面との間隔を一定に保持し、適正な断面形状を維持して変形が防がれる。図6に示すように、更生管102の上方から更生管102を見ると、軸方向の左右両側では、支持部材1の間隔保持部4と、連結部材9の突起部92とが、既設管101の内面に当接して更生管102を支持している。さらに、更生管102の左右には、間隔保持部4と突起部92との間、および突起部92と突起部92との間に、裏込め材104を流通させるための隙間が形成される。   The rehabilitation pipe 102 is supported in the existing pipe 101 via the main body 2 and the connecting member 9, maintains a constant distance from the inner surface of the existing pipe 101, maintains an appropriate cross-sectional shape, and prevents deformation. . As shown in FIG. 6, when the rehabilitated tube 102 is viewed from above the rehabilitated tube 102, on both the left and right sides in the axial direction, the spacing holding portion 4 of the support member 1 and the protrusion 92 of the connecting member 9 are connected to the existing tube 101. The rehabilitating tube 102 is supported in contact with the inner surface of the tube. Further, on the left and right sides of the rehabilitation pipe 102, gaps for allowing the backfill material 104 to circulate are formed between the interval holding portion 4 and the protrusion 92 and between the protrusion 92 and the protrusion 92.

既設管101の更生区間の全長にわたって更生管102を形成した後、既設管101の更生区間の両端部を閉止し、既設管101の内面と更生管102の外面との間隙に、モルタル等の裏込め材104を注入し充填する。裏込め材104を注入する際、更生管102の上方から既設管101との隙間に段階的に注入し、更生管102の下方へ流入させて充填していく。図6に示したように、更生管102の左右には、裏込め材104を流通させるための隙間が形成されているので、注入した裏込め材104を、これらの隙間を通って下方へ流入させ、空隙を生じることなく充填することができる。   After the rehabilitation pipe 102 is formed over the entire length of the rehabilitation section of the existing pipe 101, both ends of the rehabilitation section of the existing pipe 101 are closed, and a mortar or the like is placed in the gap between the inner surface of the existing pipe 101 and the outer surface of the renovation pipe 102. Filling material 104 is injected and filled. When the backfill material 104 is injected, it is injected stepwise from above the rehabilitating pipe 102 into the gap with the existing pipe 101 and then flows downward into the rehabilitating pipe 102 for filling. As shown in FIG. 6, gaps for circulating the backfill material 104 are formed on the left and right sides of the rehabilitation pipe 102, so that the injected backfill material 104 flows downward through these gaps. And can be filled without generating voids.

裏込め材104を注入することによって、更生管102に浮力が作用し、既設管101内で更生管102は浮き上がろうとする。これに対し、更生管102は支持部材1によって既設管101に支持されている。このため、更生管102は浮き上がることがなく、既設管101との間隙を裏込め材104の注入前と同様に維持する。   By injecting the backfill material 104, buoyancy acts on the rehabilitated pipe 102, and the rehabilitated pipe 102 attempts to rise in the existing pipe 101. On the other hand, the rehabilitation pipe 102 is supported by the existing pipe 101 by the support member 1. For this reason, the rehabilitation pipe | tube 102 does not float up, but maintains the clearance gap with the existing pipe | tube 101 similarly to the injection | pouring of the backfill material 104. FIG.

更生管102は、支持板部3に上方から挟み込むように保持され、連結部材9により軸方向の左右両側が保持されている。このため、下方から段階的に裏込め材104が注入され、更生管102に浮力が作用しても、既設管101内で浮き上がることなく固定される。これにより、図7に示すように、更生管102の断面形状を真円形状のまま変形させることなく、適正な形状に保った状態で、裏込め材104を充填することができる。   The rehabilitation pipe 102 is held so as to be sandwiched by the support plate portion 3 from above, and the right and left sides in the axial direction are held by the connecting member 9. For this reason, the backfill material 104 is injected stepwise from below, and even if buoyancy acts on the rehabilitation pipe 102, it is fixed without being lifted in the existing pipe 101. Accordingly, as shown in FIG. 7, the backfill material 104 can be filled in a state in which the rehabilitation pipe 102 is maintained in an appropriate shape without being deformed in a circular shape.

裏込め材104が硬化すると、既設管101と更生管102とが一体化し、既設管101の更生が完了する。裏込め材104の硬化後、支持部材1を撤去する必要はなく、そのまま既設管101内に埋設する。既設管101に一体化した更生管102は、その断面形状の品質を上げることができるので、更生管102としての強度が十分に担保され、耐久性に富み、排水能力を向上させることができる。   When the backfill material 104 is cured, the existing pipe 101 and the rehabilitated pipe 102 are integrated, and the rehabilitation of the existing pipe 101 is completed. After the backfill material 104 is cured, the support member 1 does not need to be removed and is embedded in the existing pipe 101 as it is. The rehabilitation pipe 102 integrated with the existing pipe 101 can improve the quality of its cross-sectional shape, so that the strength as the rehabilitation pipe 102 is sufficiently secured, has high durability, and can improve drainage capacity.

以上のように、既設管101の更生に際して支持部材1を用いることにより、更生管102の内部に従来の支保工装置のような障害物を配置することなく、更生作業を進めることができる。このため、既設管101内の水位が上昇することがなく、施工上の制約を減らすことができる。急激な水位の上昇が予想される場合には、既設管101内に障害物のない通路が確保されているので、作業者は既設管101内から速やかに退避することができる。   As described above, by using the support member 1 when rehabilitating the existing pipe 101, the rehabilitation work can be performed without disposing an obstacle such as a conventional support device inside the rehabilitation pipe 102. For this reason, the water level in the existing pipe 101 does not rise, and the construction restrictions can be reduced. When a sudden rise in the water level is expected, a passage free of obstacles is secured in the existing pipe 101, so that the operator can quickly evacuate from the existing pipe 101.

支持部材1は、既設管101にアンカーボルト等を打ち込むなどの手間のかかる作業を要しない。そのため、支持部材1を極めて簡単に安定的に固定することができる。既設管101の内面は、腐食等によって損傷していたり、肉厚が減少していたりするが、どのような既設管101の内面に対しても、支持部材1を作業性よく確実に設置することができる。   The support member 1 does not require time-consuming work such as driving anchor bolts or the like into the existing pipe 101. Therefore, the support member 1 can be fixed very easily and stably. The inner surface of the existing pipe 101 is damaged by corrosion or the like, or the thickness is reduced. However, the supporting member 1 should be installed with good workability on any inner surface of the existing pipe 101. Can do.

支持部材1の本体部2には、既設管101の軸方向に長い部材がないので、曲がり管路や屈曲管路において、既設管101の曲がり角度や屈曲角度に影響されることなく既設管101に設置して使用することができ、かつ間隔保持部4の突出量を容易に増減することができる。   Since the main body 2 of the support member 1 does not have a member that is long in the axial direction of the existing pipe 101, the existing pipe 101 is not affected by the bending angle or bending angle of the existing pipe 101 in the bent pipe line or the bent pipe line. It can be installed and used, and the protrusion amount of the space | interval holding | maintenance part 4 can be increased or decreased easily.

更生管102の支持部材1として、本体部2は、図1に示した形態以外にも多様な形態にて構成することができる。例えば、支持部材1は、図8に示すように、間隔保持部4の配設個数をさらに増やして構成されてもよい。この場合、間隔保持部4を中心角30度の間隔で支持板部3の外面に配設している。なお、間隔保持部4は、少なくとも支持板部3の左右側方部と頂部の3点に設けられていればよく、必ずしも均等に配置されなくともよい。連結部材9は多様な長さから構成されてよく、本体部2同士の間隔が更生区間の全長にわたり一定でなくともよい。   As the support member 1 of the rehabilitation pipe 102, the main body 2 can be configured in various forms other than the form shown in FIG. For example, as shown in FIG. 8, the support member 1 may be configured by further increasing the number of disposed spacing holding portions 4. In this case, the interval holding portions 4 are disposed on the outer surface of the support plate portion 3 at intervals of a central angle of 30 degrees. In addition, the space | interval holding | maintenance part 4 should just be provided in the three points of the left-right side part and top part of the support plate part 3, and does not necessarily need to be arrange | positioned equally. The connecting member 9 may be configured from various lengths, and the interval between the main body portions 2 may not be constant over the entire length of the rehabilitation section.

支持部材1は、本体部2が、図9に示すような形態であってもよい。この場合、支持板部3には、多数の貫通孔31が形成されている。各貫通孔31は、直径が10〜15mm程度のパンチング孔であり、間隔保持部4の周囲を避けて形成されている。支持板部3は貫通孔31を有することにより、貫通孔31を通して裏込め材104を流通させることが可能となり、更生管102を構成する帯状部材103と裏込め材104との付着性を制限することがない。   The support member 1 may be configured such that the main body 2 is as shown in FIG. In this case, a large number of through holes 31 are formed in the support plate portion 3. Each through hole 31 is a punching hole having a diameter of about 10 to 15 mm, and is formed around the interval holding portion 4. Since the support plate portion 3 has the through hole 31, the backfill material 104 can be circulated through the through hole 31, and the adhesion between the belt-like member 103 constituting the rehabilitation pipe 102 and the backfill material 104 is limited. There is nothing.

(実施形態2)
図10は、実施形態2に係る支持部材1を示す斜視図である。
(Embodiment 2)
FIG. 10 is a perspective view showing the support member 1 according to the second embodiment.

以下に示す実施形態2〜5に係る支持部材1は、間隔保持部4の構成において特徴を有しており、支持板部3および連結部材9の構成については実施形態1と同様とすることができる。そのため、以下の説明では、間隔保持部4について詳述し、実施形態1と共通する他の構成については共通符号を用いて重複する説明を省略する。   The support members 1 according to the second to fifth embodiments described below are characterized in the configuration of the interval holding unit 4, and the configurations of the support plate unit 3 and the connecting member 9 may be the same as those of the first embodiment. it can. Therefore, in the following description, the space | interval holding | maintenance part 4 is explained in full detail, and the overlapping description is abbreviate | omitted using a common code | symbol about the other structure which is common in Embodiment 1. FIG.

本体部2において、支持板部3の外面の複数の間隔保持部4は、既設管101(または更生管102)の径方向に進退するねじ調整機構を備えている。図10に示す例では、間隔保持部4は、径方向の外方に向けて突設された雄ねじ部54と、雄ねじ部54に取り付けられて取付位置を調整可能な雌ねじ部55とを備える。   In the main body portion 2, the plurality of interval holding portions 4 on the outer surface of the support plate portion 3 include a screw adjustment mechanism that advances and retreats in the radial direction of the existing pipe 101 (or the rehabilitated pipe 102). In the example shown in FIG. 10, the interval holding portion 4 includes a male screw portion 54 that protrudes outward in the radial direction, and a female screw portion 55 that is attached to the male screw portion 54 and can be adjusted in attachment position.

雄ねじ部54は、円柱状の突起であり外周面に図示しない雄ねじが設けられている。雄ねじ部54は、その長さが、既設管101と更生管102との間隔に対応させて設けられ、支持板部3の頂部に設けた雄ねじ部54が最も長く、軸方向から見て左右の外面に設けられた雄ねじ部54が最も短く形成されている。   The male screw portion 54 is a cylindrical protrusion, and a male screw (not shown) is provided on the outer peripheral surface. The male screw portion 54 is provided with a length corresponding to the distance between the existing tube 101 and the rehabilitated tube 102, and the male screw portion 54 provided on the top of the support plate portion 3 is the longest, and the left and right sides as viewed from the axial direction are left and right. The male screw portion 54 provided on the outer surface is formed to be the shortest.

各雄ねじ部54には、雌ねじ部55としてナットが螺合されている。雄ねじ部54の長さに対応し、雌ねじ部55の軸方向の長さも、支持板部3の頂部に配設されるものが最も長く、軸方向から見て左右の外面に配設されるものが最も短く形成されている。   A nut is screwed into each male screw portion 54 as a female screw portion 55. Corresponding to the length of the male threaded portion 54, the axial length of the female threaded portion 55 is the longest disposed at the top of the support plate portion 3, and is disposed on the left and right outer surfaces as viewed from the axial direction. Is the shortest.

支持部材1は、本体部2を既設管101と更生管102との間に設置したとき、間隔保持部4を調整して、既設管101の内面と更生管102の外面との間隔に対応させることができる。すなわち、雄ねじ部54に螺合した雌ねじ部55を回して、雄ねじ部54に対する雌ねじ部55の取付位置を調整する。雌ねじ部55の先端を既設管101の内面に押し当てるようにして雌ねじ部55を螺合して固定することで、既設管101の内面に支持板部3を支持することができ、更生管102と既設管101との間に保持力を作用させることができる。連結部材9は、端部の連結部93を間隔保持部4の雄ねじ部54(または雌ねじ部55)に係合させて連結することができる。   When the main body 2 is installed between the existing pipe 101 and the rehabilitated pipe 102, the support member 1 adjusts the interval holding unit 4 to correspond to the distance between the inner surface of the existing pipe 101 and the outer surface of the rehabilitated pipe 102. be able to. That is, the mounting position of the female screw portion 55 with respect to the male screw portion 54 is adjusted by turning the female screw portion 55 screwed into the male screw portion 54. By fixing the female screw portion 55 so as to press the tip of the female screw portion 55 against the inner surface of the existing tube 101, the support plate portion 3 can be supported on the inner surface of the existing tube 101, and the rehabilitated tube 102 can be supported. And a holding force can be applied between the existing pipe 101 and the existing pipe 101. The connecting member 9 can be connected by engaging the connecting portion 93 at the end with the male screw portion 54 (or the female screw portion 55) of the spacing holding portion 4.

このような支持部材1にあっても、更生管102と既設管101との間に本体部2を差し込み、更生管102の外面に支持板部3を配設した後、間隔保持部4の雌ねじ部55を回転する。これにより、間隔保持部4ごとに個別に突出量を変えて、既設管101の内面に間隔保持部4を押圧した状態で配設することができ、既設管101の内面状況にも対応することができる。支持部材1の本体部2には、既設管101の軸方向に長い部材がないので、曲がり管路や屈曲管路において、既設管101の曲がり角度や屈曲角度に影響されることなく使用することができ、かつ間隔保持部4の突出量を作業性よく容易に増減することができる。   Even in such a support member 1, the main body 2 is inserted between the rehabilitated tube 102 and the existing tube 101, and the support plate 3 is disposed on the outer surface of the rehabilitated tube 102. The part 55 is rotated. Thereby, it can arrange | position in the state which pressed the space | interval holding | maintenance part 4 to the inner surface of the existing pipe 101, changing protrusion amount separately for every space | interval holding part 4, and respond | corresponds also to the inner surface condition of the existing pipe | tube 101. Can do. Since the main body 2 of the support member 1 does not have a member that is long in the axial direction of the existing pipe 101, it should be used without being affected by the bending angle or the bending angle of the existing pipe 101 in the bent pipe line or the bent pipe line. In addition, it is possible to easily increase or decrease the protruding amount of the interval holding portion 4 with good workability.

(実施形態3)
図11および図12は、実施形態3に係る支持部材1を拡大して示す説明図である。これらの図では、既設管101の内部を管軸方向に沿った断面により示し、間隔保持部4の側面を示している。
(Embodiment 3)
11 and 12 are explanatory views showing the support member 1 according to the third embodiment in an enlarged manner. In these drawings, the inside of the existing pipe 101 is shown by a cross section along the pipe axis direction, and the side surface of the interval holding portion 4 is shown.

この形態に係る支持部材1は、間隔保持部4が、既設管101(または更生管102)の管軸方向に進退するねじ調整機構を備えている。この場合、間隔保持部4は、さらに、既設管101の内面と更生管102の外面との間で伸縮する弾性部材として帯板状のバネ板材61を含んで構成されている。   The support member 1 which concerns on this form is provided with the screw adjustment mechanism in which the space | interval holding | maintenance part 4 advances / retreats in the pipe-axis direction of the existing pipe | tube 101 (or rehabilitation pipe | tube 102). In this case, the space | interval holding | maintenance part 4 is further comprised including the strip | belt-plate-shaped spring board material 61 as an elastic member which expands-contracts between the inner surface of the existing pipe 101 and the outer surface of the renovated pipe 102.

図11に示すように、バネ板材61は、長手方向を管軸方向と平行となるように配設され、長手方向の中央部分が支持板部3の外方に凸の状態で湾曲されている。バネ板材61には、管軸方向にボルト62の軸部が貫通し、支持板部3の外面に固定された台座部63に保持されている。   As shown in FIG. 11, the spring plate member 61 is disposed so that the longitudinal direction thereof is parallel to the tube axis direction, and the central portion in the longitudinal direction is curved in a state of protruding outward from the support plate portion 3. . A shaft portion of a bolt 62 passes through the spring plate material 61 in the tube axis direction, and is held by a pedestal portion 63 fixed to the outer surface of the support plate portion 3.

台座部63は、軸方向の両端に固定板64、65が立設されている。バネ板材61は長手方向の一端部が固定板64に当接され、他端部が摺動板66に当接して配設されている。これらの固定板64、65および摺動板66にもボルト62の軸部が貫通している。固定板64、65にはボルト62の軸部が回転自在に支持されている。摺動板66は、支持板部3の外面に固定された台座部63に沿って摺動しうるように配設され、ボルト62が回転すると台座部63に沿って管軸方向に進退する。   The pedestal portion 63 has fixed plates 64 and 65 erected at both axial ends. The spring plate member 61 is disposed such that one end in the longitudinal direction is in contact with the fixed plate 64 and the other end is in contact with the sliding plate 66. The shafts of the bolts 62 also pass through the fixed plates 64 and 65 and the sliding plate 66. The shaft portion of the bolt 62 is rotatably supported by the fixing plates 64 and 65. The sliding plate 66 is disposed so as to be slidable along the pedestal portion 63 fixed to the outer surface of the support plate portion 3, and advances and retreats along the pedestal portion 63 in the tube axis direction when the bolt 62 rotates.

図12に示すように、ボルト62を回転させることによって摺動板66がボルト62の軸部先端方向に移動すると、バネ板材61は両端部から押し縮められ、さらに湾曲する。これにより、バネ板材61は、支持板部3の外面から径方向への突出量を増大させ、既設管101と更生管102との相互間隔に対応した突出量とされる。突出量を調整されたバネ板材61は、既設管101の内面に押圧され、既設管101の内面と更生管102の外面との間隔を保持する。   As shown in FIG. 12, when the sliding plate 66 is moved in the axial direction of the bolt 62 by rotating the bolt 62, the spring plate 61 is compressed from both ends and further curved. Thereby, the spring plate material 61 increases the protruding amount in the radial direction from the outer surface of the support plate portion 3, and is set to a protruding amount corresponding to the mutual interval between the existing pipe 101 and the renovated pipe 102. The spring plate member 61 whose protrusion amount has been adjusted is pressed against the inner surface of the existing pipe 101 and maintains the distance between the inner surface of the existing pipe 101 and the outer surface of the renovated pipe 102.

このような支持部材1にあっては、更生管102と既設管101との間に本体部2を差し込み、更生管102の外面に支持板部3を配設した後、間隔保持部4のボルト62を回転させることで、間隔保持部4ごとに個別にバネ板材61の突出量を変え、既設管101の内面に間隔保持部4を押圧することができる。本体部2は、更生管102の外面と既設管101の内面との間隔を適正に保ち、更生管102を外面側から支持して、更生管102の断面形状を保持するように作用する。支持部材1の設置に要する作業は極めて容易であり、作業工数が少なく、短時間で対象管路全体に設置することができる。   In such a support member 1, the main body 2 is inserted between the rehabilitated pipe 102 and the existing pipe 101, the support plate part 3 is disposed on the outer surface of the rehabilitated pipe 102, and then the bolts of the spacing holding part 4. By rotating 62, the protruding amount of the spring plate material 61 can be individually changed for each interval holding portion 4, and the interval holding portion 4 can be pressed against the inner surface of the existing pipe 101. The main body 2 acts to maintain an appropriate distance between the outer surface of the rehabilitated pipe 102 and the inner surface of the existing pipe 101, support the rehabilitated pipe 102 from the outer surface side, and maintain the cross-sectional shape of the rehabilitated pipe 102. The work required for the installation of the support member 1 is extremely easy, requires fewer man-hours, and can be installed over the entire target pipeline in a short time.

(実施形態4)
図13は、実施形態4に係る支持部材1の間隔保持部4を拡大して示す説明図である。
(Embodiment 4)
FIG. 13 is an explanatory view showing, in an enlarged manner, the interval holding portion 4 of the support member 1 according to the fourth embodiment.

この形態に係る支持部材1は、間隔保持部4として、既設管101の管軸方向に進退するねじ調整機構を備えており、圧入部71と、径方向に配置された被圧入部73とを含んで構成されている。間隔保持部4は、さらに、被圧入部73の側面を保持するガイド部75と、圧入部71を貫通して設けたボルト76とを備えている。   The support member 1 according to this embodiment includes a screw adjusting mechanism that advances and retreats in the tube axis direction of the existing pipe 101 as the interval holding portion 4, and includes a press-fit portion 71 and a press-fit portion 73 arranged in the radial direction. It is configured to include. The interval holding unit 4 further includes a guide portion 75 that holds the side surface of the press-fit portion 73 and a bolt 76 that is provided through the press-fit portion 71.

圧入部71および被圧入部73は、それぞれ直方体形状のブロック体の短辺を含む角部が斜めに切除され、一つの斜面72、74を有する略楔形状に形成されている。圧入部71には、管軸方向に沿ってボルト76が貫通して設けられている。   The press-fit portion 71 and the press-fit portion 73 are each formed in a substantially wedge shape having one inclined surface 72 and 74, with a corner portion including a short side of a rectangular parallelepiped block body being cut obliquely. The press-fit portion 71 is provided with a bolt 76 penetrating along the tube axis direction.

圧入部71と被圧入部73とは、双方の斜面72、74を介して接触させて配設されている。また、被圧入部73は、管軸方向に配設された圧入部71に対して直交する向きに配設され、ガイド部77に側面が保持されている。   The press-fit portion 71 and the press-fit portion 73 are arranged in contact with each other via both inclined surfaces 72 and 74. Further, the press-fit portion 73 is disposed in a direction orthogonal to the press-fit portion 71 disposed in the tube axis direction, and a side surface is held by the guide portion 77.

ボルト76を回転させると、ボルト76に螺合された圧入部71が管軸方向に移動する。圧入部71は管軸方向に押し込まれ、被圧入部73は径方向の外方に進出する。これにより、被圧入部73の端面を既設管101の内面に圧接することができる。   When the bolt 76 is rotated, the press-fit portion 71 screwed into the bolt 76 moves in the tube axis direction. The press-fit portion 71 is pushed in the tube axis direction, and the press-fit portion 73 advances outward in the radial direction. Thereby, the end surface of the press-fit portion 73 can be pressed against the inner surface of the existing pipe 101.

この形態にあっても、更生管102と既設管101との間に支持部材1の本体部2を差し込み、間隔保持部4のボルト76を回転させることで、間隔保持部4の配設箇所ごとに個別に間隔保持部4の被圧入部73の突出量を変えることができる。被圧入部73を既設管101の内面に押圧することで、本体部2は、更生管102の外面と既設管101の内面との間隔を適正に保ち、更生管102を外面側から支持して、更生管102の断面形状を保持するように作用する。支持部材1の設置に要する作業は極めて容易であり、作業工数が少なく、短時間で対象管路全体に設置することができる。   Even in this configuration, the main body 2 of the support member 1 is inserted between the rehabilitated pipe 102 and the existing pipe 101, and the bolts 76 of the spacing holding section 4 are rotated, so that each location of the spacing holding section 4 is arranged. In addition, the protruding amount of the press-fit portion 73 of the interval holding portion 4 can be changed individually. By pressing the press-fit portion 73 against the inner surface of the existing pipe 101, the main body 2 maintains an appropriate distance between the outer surface of the rehabilitated pipe 102 and the inner surface of the existing pipe 101 and supports the rehabilitated pipe 102 from the outer surface side. It acts to maintain the cross-sectional shape of the rehabilitation tube 102. The work required for the installation of the support member 1 is extremely easy, requires fewer man-hours, and can be installed over the entire target pipeline in a short time.

(実施形態5)
図14および図15は、実施形態4に係る支持部材1の間隔保持部4を拡大して示す説明図である。
(Embodiment 5)
FIG. 14 and FIG. 15 are explanatory views showing the interval holding portion 4 of the support member 1 according to the fourth embodiment in an enlarged manner.

この形態に係る支持部材1の間隔保持部4は、図14に示すように、支持板部3の外面に台座部81が固定されており、この台座部81にヒンジ留めされた係止部材82を備えている。係止部材82は、管軸方向の長さが、既設管101と更生管102との間の相互離間寸法よりも大きく形成され、これに直交する周方向の長さが、既設管101と更生管102との間の相互離間寸法よりも小さく形成されている。また、係止部材82は、台座部81に当接する側の内面が平滑に形成されているのに対し、反対側の外面には、ローレット、粗面、またはシボ等の凹凸部84が形成されている。   As shown in FIG. 14, the interval holding portion 4 of the support member 1 according to this embodiment has a pedestal portion 81 fixed to the outer surface of the support plate portion 3, and a locking member 82 hinged to the pedestal portion 81. It has. The locking member 82 is formed such that the length in the tube axis direction is larger than the distance between the existing tube 101 and the rehabilitated tube 102, and the circumferential length perpendicular to this is equal to that of the existing tube 101 and the rehabilitated tube 102. It is formed smaller than the mutual separation dimension between the tubes 102. In addition, the engaging member 82 has a smooth inner surface on the side in contact with the pedestal portion 81, whereas an uneven surface 84 such as a knurled surface, a rough surface, or a wrinkle is formed on the outer surface on the opposite side. ing.

図15に示すように、係止部材82は、ヒンジ83を中心として支持板部3の外方へ回動可能に設けられるとともに、任意の開度において回動を固定することができる。これにより、支持部材1の本体部2を、更生管102の外面に設置した後、係止部材82を既設管101の内面方向に回動させて押し広げ、係止部材82の外面を既設管101の内面に係合させる。   As shown in FIG. 15, the locking member 82 is provided so as to be rotatable outwardly of the support plate portion 3 around the hinge 83, and can be fixed at any opening degree. Thus, after the main body 2 of the support member 1 is installed on the outer surface of the rehabilitated pipe 102, the locking member 82 is rotated in the direction of the inner surface of the existing pipe 101 to spread the outer surface of the locking member 82. Engage with the inner surface of 101.

係止部材82は、既設管101の内面と更生管102の外面との間に任意の開度で固定され、相互間隔を保持する。係止部材82の開度を調整することで、間隔保持部4の突出量を変えることができ、既設管101の内面形状や、既設管101と更生管102との多様な間隔に対応することができる。   The locking member 82 is fixed at an arbitrary opening between the inner surface of the existing tube 101 and the outer surface of the rehabilitated tube 102, and maintains a mutual interval. By adjusting the opening degree of the locking member 82, the protruding amount of the interval holding part 4 can be changed, and the inner surface shape of the existing pipe 101 and various intervals between the existing pipe 101 and the renovated pipe 102 can be accommodated. Can do.

係止部材82は支持板部3の外方へバネ付勢された構成であってもよく、この場合、支持板部3に対して係止部材82をフック等によって固定しておき、フック等を外すことによって最大の開度まで係止部材82が開くように設けられることが好ましい。   The locking member 82 may be configured to be spring-biased outward from the support plate portion 3. In this case, the locking member 82 is fixed to the support plate portion 3 with a hook or the like, and the hook or the like is It is preferable that the locking member 82 is provided to be opened to the maximum opening degree by removing.

以上のとおり、本発明に係る支持部材1は、極めて簡単な作業で既設管101に設置することができるので、更生管102の製管作業に並行して効率よく設置することが可能である。既設管101の老朽化度合いによって既設管101の内面に凹凸等を生じていても、間隔保持部4は突出量を変更可能であるため、既設管101の内面状況に十分に対応することができる。   As described above, since the support member 1 according to the present invention can be installed on the existing pipe 101 with a very simple operation, it can be efficiently installed in parallel with the pipe making work of the rehabilitated pipe 102. Even if the inner surface of the existing pipe 101 is uneven due to the degree of aging of the existing pipe 101, the interval holding part 4 can change the protruding amount, and therefore can sufficiently cope with the inner surface situation of the existing pipe 101. .

裏込め材104の注入時には、支持部材1によって更生管102が安定的に保持されるので、手間がかからず短期間で効率よく注入および充填作業を終えることができる。裏込め材104の硬化後、支持部材1を撤去するなどの作業は不要であり、そのまま仕上げ作業に入ることができる。このように作業工数が格段に低減されることから、作業者の人数も少なくて済む。更生管102の支持部材1を用いて既設管101の更生することで、従来の更生方法と比較して、格段に工期を短縮化することができる。   At the time of injection of the backfill material 104, the rehabilitation tube 102 is stably held by the support member 1, so that the injection and filling operations can be completed efficiently in a short period of time without any trouble. After the backfill material 104 is cured, an operation such as removing the support member 1 is unnecessary, and the finishing operation can be started as it is. Since the number of work steps is thus greatly reduced, the number of workers can be reduced. By rehabilitating the existing pipe 101 using the support member 1 of the rehabilitated pipe 102, the construction period can be significantly shortened as compared with the conventional rehabilitation method.

また、支持部材1は、支持板部3が更生管102の外面を保持して既設管101内に配置されるので、更生管102に作用する浮力によって更生管102が浮上したり変形したりするのを効果的に防止して、適正な断面形状を保つことができる。更生後の管路には、十分な強度と排水能力とを備えさせることができる。   Moreover, since the support plate part 3 hold | maintains the outer surface of the rehabilitation pipe | tube 102 and the support member 1 is arrange | positioned in the existing pipe | tube 101, the rehabilitation pipe | tube 102 floats or deform | transforms with the buoyancy which acts on the rehabilitation pipe | tube 102. Can be effectively prevented, and an appropriate cross-sectional shape can be maintained. The pipeline after rehabilitation can be provided with sufficient strength and drainage capacity.

なお、上記の各実施形態では、支持部材1の本体部2に、複数の間隔保持部4を均等に設けた例を示したが、本発明はこれに限定されるものではなく、更生管102の管径等を考慮して多様な位置に間隔保持部4を設けることができる。間隔保持部4は、実施形態1〜5に示した各種の構成のいずれかが1つの本体部2に設けられるに限らず、1つの本体部2に複数種類の構成が混合されて設けられてもよい。支持部材1を構成する各部は、鋼板または鉄板等の金属系材料により形成されるに限らず、必要強度を有する合成樹脂系材料により形成されてもよい。   In each of the above-described embodiments, the example in which the plurality of interval holding portions 4 are equally provided in the main body portion 2 of the support member 1 has been described. However, the present invention is not limited to this, and the rehabilitation pipe 102 is provided. Considering the tube diameter and the like, the interval holding portions 4 can be provided at various positions. The interval holding unit 4 is not limited to one of the various configurations shown in the first to fifth embodiments provided in one main body unit 2, and a plurality of types of configurations are mixed in one main body unit 2. Also good. Each part which comprises the supporting member 1 is not only formed with metal materials, such as a steel plate or an iron plate, but may be formed with the synthetic resin material which has required intensity | strength.

本発明は、老朽化した既設管を短期間で効率よく更生するのに好適に利用可能である。   INDUSTRIAL APPLICABILITY The present invention can be suitably used for efficiently rehabilitating an aged existing pipe in a short period of time.

1 支持部材
2 本体部
3 支持板部
31 貫通孔
4 間隔保持部
51 コイルバネ
52 リングナット
54 雄ねじ部
55 雌ねじ部
61 バネ板材
66 摺動板
71 圧入部
72 斜面
73 被圧入部
74 斜面
82 係止部材
83 ヒンジ
9 連結部材
101 既設管
102 更生管
103 帯状部材
104 裏込め材
105 製管機
DESCRIPTION OF SYMBOLS 1 Support member 2 Main body part 3 Support plate part 31 Through-hole 4 Space | interval holding | maintenance part 51 Coil spring 52 Ring nut 54 Male thread part 55 Female thread part 61 Spring plate material 66 Sliding plate 71 Press-fit part 72 Slope 73 Press-fit part 74 Slope 82 Locking member 83 Hinge 9 Connection member 101 Existing pipe 102 Rehabilitation pipe 103 Strip member 104 Backfill material 105 Pipe making machine

Claims (6)

既設管内に配設されて既設管を更生する更生管の支持部材であって、
更生管の外周長の半周以上の周長と、更生管の外径に対応する内径とを有して、更生管の外面に沿って配設される弧状の支持板部と、
支持板部の外面に備えられ、既設管の内面と更生管の外面との間隔を保つ複数の間隔保持手段とを備え、
間隔保持手段は、支持板部の外面から径方向への突出量を変更可能とされ、既設管内での設置箇所ごとに個別に突出量を増減しうることを特徴とする更生管の支持部材。
A rehabilitation pipe support member that is disposed in an existing pipe and rehabilitates the existing pipe,
An arcuate support plate having a circumferential length equal to or greater than a half circumference of the outer circumference of the rehabilitation pipe and an inner diameter corresponding to the outer diameter of the rehabilitation pipe, and being disposed along the outer surface of the rehabilitation pipe;
Provided on the outer surface of the support plate part, provided with a plurality of interval holding means for maintaining the interval between the inner surface of the existing pipe and the outer surface of the renovated pipe,
The support member for the rehabilitating pipe, wherein the distance holding means is capable of changing the amount of protrusion in the radial direction from the outer surface of the support plate, and can individually increase or decrease the amount of protrusion for each installation location in the existing pipe.
請求項1に記載の更生管の支持部材において、
間隔保持手段は、既設管の径方向または管軸方向に進退するねじ調整機構を備えることを特徴とする更生管の支持部材。
In the rehabilitation pipe support member according to claim 1,
The spacing holding means includes a screw adjustment mechanism that advances and retreats in the radial direction of the existing pipe or in the pipe axis direction.
請求項1または2に記載の更生管の支持部材において、
間隔保持手段は、既設管の内面と更生管の外面との間で伸縮変形する弾性部材を備えることを特徴とする更生管の支持部材。
In the support member of the rehabilitation pipe according to claim 1 or 2,
The spacing holding means includes an elastic member that expands and contracts between the inner surface of the existing tube and the outer surface of the rehabilitated tube.
請求項1に記載の更生管の支持部材において、
間隔保持手段は、支持板部の外面側にヒンジ留めされて支持板部の外方へ回動する係止部材を備え、係止部材の外面に設けられたローレット部が既設管の内面に係止することを特徴とする更生管の支持部材。
In the rehabilitation pipe support member according to claim 1,
The interval holding means includes a locking member that is hinged to the outer surface side of the support plate portion and rotates outwardly of the support plate portion, and the knurled portion provided on the outer surface of the lock member is engaged with the inner surface of the existing pipe. A support member for a rehabilitation pipe, characterized by stopping.
請求項1または2に記載の更生管の支持部材において、
間隔保持手段は、管軸方向に配置された圧入部と、径方向に配置された被圧入部とを備え、圧入部と被圧入部とを双方の斜面を介して接触させており、
圧入部を管軸方向に押し込んで、被圧入部を径方向に進出させ、既設管の内面に圧接することを特徴とする更生管の支持部材。
In the support member of the rehabilitation pipe according to claim 1 or 2,
The interval holding means includes a press-fit portion arranged in the tube axis direction and a press-fit portion arranged in the radial direction, and the press-fit portion and the press-fit portion are in contact with each other through both slopes,
A support member for a rehabilitated pipe, wherein the press-fitted part is pushed in the pipe axis direction, the pressed-fitted part is advanced in the radial direction, and pressed against the inner surface of the existing pipe.
請求項1〜5のいずれか一つの請求項に記載の更生管の支持部材を用いた既設管の更生方法であって、
既設管内に配設した更生管の外面と既設管の内面との間に支持部材を差し込み、更生管の外面に沿って支持板部を配置する工程と、
間隔保持手段の径方向への突出量を調整する工程とを含み、
更生管を複数の支持部材により既設管内に支持し、この状態で既設管と更生管との間に裏込め材を充填することを特徴とする既設管の更生方法。
A method for rehabilitating an existing pipe using the rehabilitation pipe support member according to any one of claims 1 to 5,
Inserting a support member between the outer surface of the rehabilitated pipe disposed in the existing pipe and the inner surface of the existing pipe, and disposing the support plate along the outer surface of the rehabilitated pipe;
Adjusting the amount of protrusion in the radial direction of the interval holding means,
A method for rehabilitating an existing pipe, wherein the rehabilitation pipe is supported in the existing pipe by a plurality of support members, and in this state, a backfill material is filled between the existing pipe and the rehabilitation pipe.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108412016A (en) * 2018-03-15 2018-08-17 中建五局土木工程有限公司 Underground tube body assures construction method
JP2020169498A (en) * 2019-04-03 2020-10-15 積水化学工業株式会社 Rehabilitation method of existing pipe
CN115750995A (en) * 2022-11-08 2023-03-07 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) Device and method for in-situ trenchless treatment of karst collapse risk points

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02180394A (en) * 1988-12-29 1990-07-13 Kansui Kogyo Kk Method for building repairing pipe, building structure thereof and repairing pipe
JPH04108695U (en) * 1991-02-27 1992-09-21 株式会社クボタ Pipe fixed structure
JPH07100925A (en) * 1993-10-05 1995-04-18 Osaka Bosui Constr Co Ltd Back-filling construction method of pipe lining
JP2005265070A (en) * 2004-03-19 2005-09-29 Shonan Plastic Mfg Co Ltd Spacer for position adjustments of regenerating pipe, and method for adjusting position using the same
KR100538513B1 (en) * 2005-04-07 2005-12-22 (주)이알테크 Construction method for repairing and reinforcing strip-lining pipeline
JP2011058604A (en) * 2009-09-14 2011-03-24 Sekisui Chem Co Ltd Pipe manufacturing method of reclamation pipe
WO2014199706A1 (en) * 2013-06-12 2014-12-18 積水化学工業株式会社 Method for rehabilitating existing pipe and support member for rehabilitating pipe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02180394A (en) * 1988-12-29 1990-07-13 Kansui Kogyo Kk Method for building repairing pipe, building structure thereof and repairing pipe
JPH04108695U (en) * 1991-02-27 1992-09-21 株式会社クボタ Pipe fixed structure
JPH07100925A (en) * 1993-10-05 1995-04-18 Osaka Bosui Constr Co Ltd Back-filling construction method of pipe lining
JP2005265070A (en) * 2004-03-19 2005-09-29 Shonan Plastic Mfg Co Ltd Spacer for position adjustments of regenerating pipe, and method for adjusting position using the same
KR100538513B1 (en) * 2005-04-07 2005-12-22 (주)이알테크 Construction method for repairing and reinforcing strip-lining pipeline
JP2011058604A (en) * 2009-09-14 2011-03-24 Sekisui Chem Co Ltd Pipe manufacturing method of reclamation pipe
WO2014199706A1 (en) * 2013-06-12 2014-12-18 積水化学工業株式会社 Method for rehabilitating existing pipe and support member for rehabilitating pipe

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108412016A (en) * 2018-03-15 2018-08-17 中建五局土木工程有限公司 Underground tube body assures construction method
JP2020169498A (en) * 2019-04-03 2020-10-15 積水化学工業株式会社 Rehabilitation method of existing pipe
JP7305405B2 (en) 2019-04-03 2023-07-10 積水化学工業株式会社 Existing pipe rehabilitation method
CN115750995A (en) * 2022-11-08 2023-03-07 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) Device and method for in-situ trenchless treatment of karst collapse risk points
CN115750995B (en) * 2022-11-08 2023-07-07 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) Device and method for in-situ trenchless treatment of karst collapse risk points

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