JP2006221065A - Boundary display method and boundary display implement - Google Patents

Boundary display method and boundary display implement Download PDF

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JP2006221065A
JP2006221065A JP2005036155A JP2005036155A JP2006221065A JP 2006221065 A JP2006221065 A JP 2006221065A JP 2005036155 A JP2005036155 A JP 2005036155A JP 2005036155 A JP2005036155 A JP 2005036155A JP 2006221065 A JP2006221065 A JP 2006221065A
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pipe
pipe joint
boundary
bar
public
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JP4704060B2 (en
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Yutaka Sugimoto
豊 杉本
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Aron Kasei Co Ltd
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Aron Kasei Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that the terminal position of a public-private work cannot be recognized in the public-private boundary position of plumbing for an underground cable and therefore, the workability in digging up the terminal position in the subsequent private work is inferior. <P>SOLUTION: At the time of performing the public-private work of the underground cable in the public-private boundary position, a pipe joint 40 is connected to the terminal of a branch pipe 30 and a sign rod 60 of a prescribed length is erected in a sign rod erection section 41 of the pipe joint 40 and thereafter, the pipe joint 40 is backfilled. Then, an earth surface sign 61 disposed in the top end area of the sign rod 60 is exposed on the earth surface. At the time of performing the private work on a housing land compartment side, a construction operator is able easily check the earth surface sign 61 and to recognize the public-private boundary position to be buried with the pipe joint 40. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、公共管路から地下ケーブルを分岐させて宅地区画内に引き込む分岐管路における境界表示方法および境界表示具に関する。   The present invention relates to a boundary display method and a boundary indicator for a branch pipeline that branches an underground cable from a public pipeline and draws it into a residential area.

従来より、電力供給用や通信用の地下ケーブルは、道路や歩道などの地下に埋設された本管からハンドホールや分岐管継手などを介して分岐されており、この分岐された地下ケーブルは、保護管内を挿通されて宅地区画内に引き込まれている。
この種の地下ケーブルを引き込む管路を敷設するにあたっては、官公庁工事が行われた後に民間工事が行われる。 Conventionally, underground cables for power supply and communication have been branched from mains buried underground such as roads and sidewalks through hand holes and branch fittings, etc. It is inserted through the protection tube and drawn into the residential area.
When laying a pipeline that draws in this type of underground cable, private works will be done after government works are done.

官公庁工事では、本管から宅地区画との境界まで分岐管路を接続し、同分岐管路の終端に袋やキャップを取り付けて封止するとともに同分岐管路を埋設する。そして、民間工事では、官公庁工事で埋設された分岐管路の終端を掘り当て、袋やキャップを取り外して建物に向けて宅地区画内への配管を接続している。
なお、通信ケーブル用の地中埋設管に取り付けられ、標識などで配管の埋設位置を表示することにより、道路掘削時などの管破損を防ぐ表示具は既に開示されている（特許文献１,２参照）。
実開昭５９−１２６２７８号公報 実公昭６３−２８４６３号公報 In public works construction, a branch line is connected from the main to the boundary with the residential district, and a bag or cap is attached and sealed at the end of the branch line, and the branch line is buried. And in private construction, the end of the branch pipe buried in the government office construction is dug, the bag and the cap are removed, and the piping to the residential area is connected to the building.
In addition, the indicator which is attached to the underground burial pipe | tube for communication cables and displays the burial position of piping with a sign etc., and prevents pipe breakage at the time of road excavation etc. has already been disclosed (patent documents 1 and 2). reference).
Japanese Utility Model Publication No.59-126278 Japanese Utility Model Publication No. 63-28463

従来、上記分岐管路の終端位置を正確に把握する手法がなく、民間工事を行う際には、作業者の勘などを頼りに数カ所の土砂を掘り出しつつ探し当てていた。このため、作業性が良くないという課題があった。
また、上述した従来の表示具は、配管位置を表示するものにすぎず、官公庁工事区域と民間工事区域との配管工事区分を表示することはできなかった。
本発明は、上記課題にかんがみてなされたもので、官公庁工事区域と民間工事区域との配管工事区分を表示することが可能な境界表示方法および境界表示具の提供を目的とする。 Conventionally, there is no method for accurately grasping the end position of the above-mentioned branch pipe, and when carrying out private construction, it has been searching while digging up several places of sand and sand depending on the intuition of the operator. For this reason, there was a problem that workability was not good.
In addition, the above-described conventional indicator only displays the piping position, and cannot display the piping work classification between the public works construction area and the private construction area.
The present invention has been made in view of the above problems, and an object of the present invention is to provide a boundary display method and a boundary indicator capable of displaying the piping work division between the public works area and the private works area.

上記目的を達成するため、請求項１にかかる発明は、公共管路から地下ケーブルを分岐させて宅地区画内に引き込む分岐管路にて、配管工事区分の境界を表示するとしてある。
上記のように構成した請求項１にかかる発明においては、上記公共管路は道路や歩道などに沿って埋設されており、同管路内には地下ケーブルが敷設されている。本発明にいう地下ケーブルは、電力用ケーブルや、光ファイバー及び電話線などの通信用ケーブルであり、ハンドホールやフリーアクセス管などを介して同公共管路から分岐される。 In order to achieve the above-mentioned object, the invention according to claim 1 displays the boundary of the piping work section on the branch pipe that branches the underground cable from the public pipe and draws it into the residential area.
In the invention according to claim 1 configured as described above, the public pipeline is buried along a road or a sidewalk, and an underground cable is laid in the pipeline. The underground cable referred to in the present invention is a power cable or a communication cable such as an optical fiber or a telephone line, and is branched from the public pipeline via a handhole or a free access pipe.

この分岐された地下ケーブルは、同ハンドホールやフリーアクセス管などに接続されるとともに、宅地区画に向けて埋設される分岐管路に挿通される。
なお、本発明にいう配管工事区分は、複数の配管工事を区分するものであれば良く、例えば、複数の施工業者が担当する工事区域を区分するものであっても良いし、官公庁工事の区域と民間工事の区域を区分するものであっても良い。また、本発明にいう公共配管とは公共性が高い配管であれば良く、官公庁の配管に限定されず、通信業などの民間企業の配管であっても良い。 The branched underground cable is connected to the handhole, the free access pipe, and the like, and is inserted into a branch pipe buried toward the residential district.
Note that the piping work classification referred to in the present invention is not limited as long as it divides a plurality of plumbing works. For example, it may divide a construction area handled by a plurality of construction contractors, or a public works construction area. It may also be used to separate private construction areas. In addition, the public piping referred to in the present invention may be piping having high publicity, and is not limited to public government piping, but may be piping of a private company such as a communication industry.

また、配管工事区分の境界は、上記分岐管路にて表示されるものであれば良く、その一例として、請求項２にかかる発明は、公共管路から地下ケーブルを分岐させて宅地区画内に引き込む分岐管路における境界表示方法であって、上記分岐管路に管継手を接続するとともに、この管継手の埋設位置に標識を設けて配管工事区分の境界を表示するとしている。
上記のように構成した請求項２にかかる発明においては、上記分岐管路を構成するパイプなどに管継手を接続する。この管継手は同分岐管路に接続されるものであれば良く、同分岐管路の途中に介在されるものであっても良いし、同分岐管路の終端に接続されるものなどであっても良い。 In addition, the boundary of the piping work section may be displayed as long as it is indicated by the above-mentioned branch pipe. As an example, the invention according to claim 2 branches an underground cable from a public pipe into the residential area. This is a boundary display method for a drawn-in branch pipe, in which a pipe joint is connected to the branch pipe, and a mark is provided at the buried position of the pipe joint to display the boundary of the piping work section.
In the invention concerning Claim 2 comprised as mentioned above, a pipe joint is connected to the pipe etc. which comprise the said branch pipe line. The pipe joint may be connected to the branch pipe, may be interposed in the middle of the branch pipe, or connected to the end of the branch pipe. May be.

また、上記管継手は、道路や歩道の下方に埋設されるものであっても良いし、道路と歩道との境界や道路または歩道と宅地区画との境界に埋設されるものであっても良いし、宅地区画内に埋設されるものなどであっても良い。
上述したように、管継手を用いる場合には、配管自体に標識を設ける場合などとは異なり、標識を所定位置に確実に設けることが可能となる。すなわち、長尺のパイプなどに設ける場合には、標識位置に自由度が生じ、作業者の判断に委ねられることとなる。その一方で、本発明のように管継手に標識を設ける場合には、標識位置に自由度が生じにくいため、作業者によるバラツキが排除される。 Moreover, the said pipe joint may be embed | buried under the road and the sidewalk, and may be embed | buried in the boundary between a road and a sidewalk, and the boundary between a road or a sidewalk and a residential area image. However, it may be embedded in the residential area.
As described above, when a pipe joint is used, unlike the case where a mark is provided on the pipe itself, the mark can be reliably provided at a predetermined position. That is, when it is provided on a long pipe or the like, a degree of freedom is generated in the marker position, and it is left to the operator's judgment. On the other hand, when a marker is provided on the pipe joint as in the present invention, since the degree of freedom is hardly generated at the marker position, variations due to the operator are eliminated.

上記管継手の埋設位置に設けられる標識は、上記配管工事区分の境界を表示するものであれば良く、その一例として、請求項３にかかる発明は、請求項２に記載の境界表示方法において、上記管継手に棒材を立設するとともに、同棒材の上端部位に地表標識を設けたとしている。
上記のように構成した請求項３にかかる発明においては、上記管継手の埋設深さに応じた長さを有する棒材を同管継手に立設しておく。すると、この棒材の上端部位に設けられた標識が地表にて視認可能となる。
なお、請求項３では、地表標識を採用しているが、本発明にかかる標識は、配管工事区分の境界を示すものであれば良く、地中に埋設される標識や地上に突出する標識などであっても良い。 The mark provided at the buried position of the pipe joint only needs to display the boundary of the piping work section, and as an example, the invention according to claim 3 is the boundary display method according to claim 2, It is assumed that a bar is erected on the pipe joint and a ground mark is provided at the upper end portion of the bar.
In the invention concerning Claim 3 comprised as mentioned above, the bar which has the length according to the embedding depth of the said pipe joint is standingly arranged in the pipe joint. Then, the marker provided at the upper end portion of the bar becomes visible on the ground surface.
In addition, although the ground mark is adopted in claim 3, the sign according to the present invention may be any mark as long as it indicates the boundary of the piping work division, such as a sign buried in the ground or a sign protruding on the ground. It may be.

上記棒材を上記管継手に立設する際の形態の一例として、請求項４にかかる発明は、請求項２または請求項３のいずれかに記載の境界表示方法において、上記棒材は上記管継手の管頂部位に立設されるとしている。
上記のように構成した請求項４にかかる発明においては、上記管継手の管頂部位に上記棒材を立設しておくと、上記標識は同管継手の管頂部位の鉛直上方に配置されることとなる。
また、上記管継手の管頂部位から地表面までの高さをあらかじめ計測しておき、この計測結果に基づいて上記棒材を同管継手の埋設深さに応じた長さとし、同棒材を同管継手の管頂部位に立設させると、上記標識は盛土などに埋設させることなく、確実に地表面にて露出される。 As an example of a mode in which the bar is erected on the pipe joint, the invention according to claim 4 is the boundary display method according to claim 2, wherein the bar is the pipe. It is supposed to be erected at the top of the joint.
In the invention according to claim 4 configured as described above, when the bar is erected at the top portion of the pipe joint, the mark is arranged vertically above the top portion of the pipe joint. The Rukoto.
In addition, the height from the top portion of the pipe joint to the ground surface is measured in advance, and based on the measurement result, the bar is made to have a length corresponding to the embedment depth of the pipe joint. When the pipe joint is erected at the top of the pipe joint, the mark is reliably exposed on the ground surface without being embedded in embankment or the like.

以上のように、本発明は方法としてだけでなく、この方法に用いる境界表示具としても有用である。その一例として、請求項５にかかる発明は、公共管路から地下ケーブルを分岐させて宅地区画内に引き込む分岐管路に配設される境界表示具であって、上端部位に配管工事区分の境界を表示する地表標識を備えた棒材と、上記分岐管路に接続されるとともに、上記棒材を挿着して立設可能な筒形状の棒材立設部が壁面から外方に凸設される管継手とを具備する構成としている。   As described above, the present invention is useful not only as a method but also as a boundary indicator used in this method. As an example thereof, the invention according to claim 5 is a boundary indicator arranged on a branch pipe that branches an underground cable from a public pipe and draws it into a residential area drawing, and has a piping work section boundary at the upper end portion. A bar with a surface sign that displays, and a cylindrical bar standing part that is connected to the branch pipe and can be erected by inserting the bar, protruding outward from the wall surface And a pipe joint.

上記のように構成した請求項５にかかる発明においては、上記管継手は、壁面から外方に凸設される筒形状の棒材立設部を有しており、この棒材立設部には上記棒材が挿着して立設される。この棒材の上端部位には地表標識が備えられており、上記管継手が公共管路から地下ケーブルを分岐させて宅地区画内に引き込む分岐管路に接続され、同分岐管路が埋設されたときには、地表にて配管工事区分の境界を表示する。   In the invention according to claim 5 configured as described above, the pipe joint has a cylindrical bar standing portion protruding outward from the wall surface. Is erected by inserting the bar. The top part of this bar is provided with a ground marking, and the pipe joint is connected to a branch pipe that branches an underground cable from a public pipe and is drawn into the residential area, and the branch pipe is buried. Sometimes, the boundary of piping work classification is displayed on the ground surface.

ここで、上記棒材は工場出荷時にあらかじめ挿着されていても良いし、施工現場で挿着しても良い。施工現場で挿着する場合には、上記管継手の埋設深さに応じて上記棒材の長さを調節できる点で好適である。
また、本発明にいう上記棒材の挿着は、同棒材を上記棒材立設部に取り付けて同棒材を上記管継手に対して立設させることができれば良く、同棒材を同棒材立設部に圧入するものであっても良いし、同棒材を同棒材立設部に挿入して接着するものであっても良いし、互いのネジ構造を用いて螺合させるものなどであっても良い。 Here, the bar may be inserted in advance at the time of factory shipment or may be inserted at a construction site. When inserting at a construction site, it is preferable in that the length of the bar can be adjusted according to the embedment depth of the pipe joint.
In addition, the insertion of the bar material referred to in the present invention is only required to attach the same bar material to the above-mentioned bar upright portion so that the bar material can be erected with respect to the pipe joint. The bar may be press-fitted into the bar standing part, or the bar may be inserted and bonded to the bar standing part, or may be screwed together using the mutual screw structure. It may be a thing.

境界表示具の別の一例として、請求項６にかかる発明は、公共管路から地下ケーブルを分岐させて宅地区画内に引き込む分岐管路に接続された管継手に配設される境界表示具であって、上端部位に配管工事区分の境界を表示する地表標識を備えた棒材と、上記棒材を挿着して立設可能であるとともに、上記管継手に取り付けられる取付具とを具備する構成としている。
上記のように構成した請求項６にかかる発明においては、上記取付具は公共管路から地下ケーブルを分岐させて宅地区画内に引き込む分岐管路に接続された管継手に取り付けられる。この取付具には、上記棒材が挿着して立設される。この棒材の上端部位には地表標識が備えられており、同管継手が埋設されたときには、地表にて配管工事区分の境界を表示する。 As another example of the boundary indicator, the invention according to claim 6 is a boundary indicator disposed on a pipe joint connected to a branch pipe that branches an underground cable from a public pipe and draws it into a residential area. And a bar with a ground mark indicating the boundary of the piping work section at the upper end portion, and a fitting that can be installed by inserting the bar and attached to the pipe joint. It is configured.
In the invention concerning Claim 6 comprised as mentioned above, the said fixture is attached to the pipe joint connected to the branch pipeline which branches an underground cable from a public pipeline, and draws it in a residential area drawing. The bar is inserted and erected on the fixture. A ground mark is provided at the upper end portion of the bar, and when the pipe joint is buried, the boundary of the piping work division is displayed on the ground surface.

上記境界表示具における棒材の立設形態の一例として、請求項７にかかる発明は、請求項５または請求項６のいずれかに記載の境界表示具において、上記棒材は、上記管継手の管頂部位に立設される構成としている。すなわち、上記請求項４と同様に有用な構成となる。
上記境界表示具における棒材構造の一例として、請求項８にかかる発明は、請求項５〜請求項７のいずれかに記載の境界表示具において、上記棒材は、上端部位を断面矩形形状とするとともに、下端側を断面円形状とする構成としている。
上記のように構成した請求項８にかかる発明においては、上端部位を断面矩形形状として標識面を広く確保し、下端側を断面円形状として切断面積を低減する。すると、上記棒材の長さを調節するとき、同棒材の切断作業が容易になる。 As an example of the standing state of the bar in the boundary indicator, the invention according to claim 7 is the boundary indicator according to claim 5 or 6, wherein the bar is the pipe joint. It is set as the structure standing at a pipe top site | part. That is, it becomes a useful structure like the said Claim 4.
As an example of the bar structure in the boundary indicator, the invention according to claim 8 is the boundary indicator according to any one of claims 5 to 7, wherein the bar has an upper end portion having a rectangular cross section. In addition, the lower end side has a circular cross section.
In the invention according to claim 8 configured as described above, the upper end portion is rectangular in cross section to ensure a wide marking surface, and the lower end side is circular in cross section to reduce the cutting area. Then, when adjusting the length of the bar, the cutting work of the bar becomes easy.

以上説明したように本発明は、官公庁工事区域と民間工事区域との配管工事区分を表示することが可能な境界表示方法を提供することができる。
また、請求項２にかかる発明によれば、配管工事区分をバラツキなく確実に表示することができる。
さらに、請求項３にかかる発明によれば、配管工事区分の表示を容易に視認可能な境界表示方法を提供することができる。 As described above, the present invention can provide a boundary display method capable of displaying the piping construction division between the public works construction area and the private construction area.
Moreover, according to the invention concerning Claim 2, a piping construction division can be displayed reliably without variation.
Furthermore, according to the invention concerning Claim 3, the boundary display method which can visually recognize the display of piping construction division easily can be provided.

さらに、請求項４または請求項７にかかる発明によれば、分岐管路の位置を確実に表示できるとともに、配管工事区分を確実に地表にて表示することができる。
さらに、請求項５または請求項６にかかる発明によれば、官公庁工事区域と民間工事区域との配管工事区分を表示することが可能な境界表示具を提供することができる。
さらに、請求項８にかかる発明によれば、境界表示具の施工作業を効率化することができる。 Furthermore, according to the invention concerning Claim 4 or Claim 7, while being able to display the position of a branch pipe line reliably, a piping construction division can be reliably displayed on the ground surface.
Furthermore, according to the invention concerning Claim 5 or Claim 6, the boundary indicator which can display the piping construction division of a government office construction area and a private construction area can be provided.
Furthermore, according to the invention concerning Claim 8, the construction work of a boundary indicator can be made efficient.

ここでは、下記の順序に従って本発明の実施形態について説明する。
（１）地下ケーブルの敷設構造：
（２）管路の施工手順と境界表示具の説明：
（３）その他の境界表示具：
（４）まとめ： Here, embodiments of the present invention will be described in the following order.
(1) Laying structure of underground cable:
(2) Explanation of pipeline construction procedure and boundary indicator:
(3) Other boundary indicators:
(4) Summary:

（１）地下ケーブルの敷設構造：
図１は、本発明の一実施形態にかかる地下ケーブルの敷設構造を概略図により示している。
同図において、道路Ａの側縁には歩道Ｂが設けられており、歩道Ｂに隣接して民間の宅地区画Ｃが形成されている。本実施形態では道路Ａと宅地区画Ｃとの間に歩道Ｂを介在させているが、歩道Ｂが設けられていない場合にも本発明は適用可能である。
道路Ａの地下には、道路Ａと平行に公共管路１０が埋設されており、この公共管路１０には地下ケーブルが挿通されている。ここにいう公共管路１０は、いわゆる主管路あるいは幹線管路などと呼ばれる管路である。 (1) Laying structure of underground cable:
FIG. 1 schematically shows an underground cable laying structure according to an embodiment of the present invention.
In the figure, a sidewalk B is provided on the side edge of the road A, and a private residential district image C is formed adjacent to the sidewalk B. In the present embodiment, the sidewalk B is interposed between the road A and the residential district image C, but the present invention can also be applied when the sidewalk B is not provided.
A public pipeline 10 is embedded in the basement of the road A in parallel with the road A, and an underground cable is inserted into the public pipeline 10. The public pipeline 10 here is a pipeline called a so-called main pipeline or main pipeline.

公共管路１０には、所定間隔で分岐管継手２０が設けられている。図２に示すように、この分岐管継手２０を介して宅地区画Ｃと歩道Ｂとの境界付近まで分岐管３０が埋設されており、この分岐管３０の終端部位、すなわち、宅地区画Ｃと歩道Ｂとの境界には管継手４０の一端側が接続されている。
この意味で、分岐管３０および管継手４０は、本発明にいう分岐管路を構成している。また、管継手４０の他端側には、宅地区画Ｃ内の建物に向けて引き込み管５０が接続されている。 A branch pipe joint 20 is provided in the public pipeline 10 at a predetermined interval. As shown in FIG. 2, the branch pipe 30 is embedded to the vicinity of the boundary between the residential area picture C and the sidewalk B through the branch pipe joint 20, and the end portion of the branch pipe 30, that is, the residential area picture C and the sidewalk. One end of the pipe joint 40 is connected to the boundary with B.
In this sense, the branch pipe 30 and the pipe joint 40 constitute a branch pipe referred to in the present invention. In addition, a lead-in pipe 50 is connected to the other end side of the pipe joint 40 toward the building in the residential area drawing C.

ここで、分岐管３０には、公共管路１０から分岐された分岐ケーブルが挿通され、分岐ケーブルは管継手４０および引き込み管５０を介して宅地区画Ｃ内の建物に向けて引き込まれている。
本実施形態では分岐管継手を介して管路を分岐させているが、本発明は分岐構造によって適用範囲は限定されず、ハンドホールを介して分岐する場合などにも同様に適用可能である。 Here, a branch cable branched from the public pipeline 10 is inserted into the branch pipe 30, and the branch cable is drawn toward the building in the residential district image C via the pipe joint 40 and the lead-in pipe 50.
In the present embodiment, the pipeline is branched through the branch pipe joint, but the scope of application of the present invention is not limited by the branch structure, and can be similarly applied to the case of branching through the hand hole.

（２）管路の施工手順と境界表示具の説明：
宅地区画Ｃへの管路引き込み工事は、官公庁工事と民間工事とに分けて行われる。すなわち、道路Ａや歩道Ｂの地下に埋設される公共管路１０や分岐管路３０は官公庁工事として施工され、その後、宅地区画内Ｃの引き込み管５０の接続および埋設は民間工事として施工される。
官公庁工事では、公共管路１０に分岐管継手２０を取り付けるとともに、分岐管継手２０に分岐管３０を接続する。また、宅地区画Ｃと歩道Ｂとの境界にて、分岐管３０の終端に管継手４０の一端側を接着して接続する。
また、管継手４０の他端側には、図３に示すように、蓋体４０ａを装着して管路を封止し、土砂や雨水などが管路内に入るのを防止する。 (2) Explanation of pipeline construction procedure and boundary indicator:
The pipe drawing work to the residential area picture C is divided into public works and private works. That is, the public pipe 10 and the branch pipe 30 buried under the road A and the sidewalk B are constructed as public works, and then the connection and burial of the lead-in pipe 50 in the residential area C are constructed as private works. .
In the public works, the branch pipe joint 20 is attached to the public pipeline 10 and the branch pipe 30 is connected to the branch pipe joint 20. Further, one end of the pipe joint 40 is bonded and connected to the end of the branch pipe 30 at the boundary between the residential area picture C and the sidewalk B.
Further, as shown in FIG. 3, a lid 40a is attached to the other end side of the pipe joint 40 to seal the pipe line, thereby preventing earth and sand or rainwater from entering the pipe line.

図４〜図７は、本実施形態にかかる管継手４０の構成を示している。
これらの図に示すように、管継手４０の中央部位における管頂には、円筒形状の標識棒立設部４１が鉛直上方へと凸設されており、この標識棒立設部４１には図２に示すように標識棒６０が立設される。ここで、標識棒立設部４１は本発明にかかる棒材立設部を構成し、標識棒６０は本発明にかかる棒材を構成している。 4-7 has shown the structure of the pipe joint 40 concerning this embodiment.
As shown in these drawings, a cylindrical marker bar standing portion 41 is projected vertically upward on the top of the pipe at the central portion of the pipe joint 40. As shown in FIG. Here, the marker bar standing part 41 constitutes a bar material standing part according to the present invention, and the marker bar 60 constitutes a bar material according to the present invention.

図８は、本実施形態にかかる標識棒６０の構成を示している。
標識棒６０は、同図における左側約３／４が断面円形状で、右側約１／４が断面矩形形状となっている。また、標識棒６０の右端面には「通信」や「管→」などの地表標識６１が設けられている。
かかる構成を有する標識棒６０は、同図における左側が管継手４０の標識棒立設部４１に圧入され、標識部位が鉛直上方に配向するように立設される。 FIG. 8 shows a configuration of the marker bar 60 according to the present embodiment.
In the figure, the sign bar 60 has a circular shape on the left side of about 3/4 and a rectangular shape on the right side of about 1/4. In addition, a ground mark 61 such as “communication” or “pipe →” is provided on the right end surface of the sign bar 60.
The marker rod 60 having such a configuration is erected so that the left side in the drawing is press-fitted into the marker rod standing portion 41 of the pipe joint 40 and the marker portion is oriented vertically upward.

このとき、施工作業者は、管継手４０の管頂から地表位置（図３に示すＧ．Ｌ．）までの寸法を計測し、標識棒６０の長さがこの寸法と同等になるように、図８における標識棒６０の左端側を切除して管継手４０の標識棒立設部４１に取り付ける。ここで、標識棒６０の切断部位を断面円形状にして断面積を低減させているため、切断作業は容易となる。   At this time, the construction worker measures the dimension from the top of the pipe joint 40 to the ground surface position (GL shown in FIG. 3), and the length of the marker rod 60 is equal to this dimension. The left end side of the marker rod 60 in FIG. 8 is excised and attached to the marker rod standing portion 41 of the pipe joint 40. Here, since the cross-sectional area is reduced by making the cutting portion of the marker rod 60 into a circular cross section, the cutting operation is facilitated.

ここで、標識棒６０の長さを調節している理由は、分岐管３０の埋設深さが所定値と異なる場合であっても、標識棒６０の上端部位に設けられた地表標識６１が盛土によって埋まったり、地表面から上方に突出したりしないようにするためである。
標識棒６０は全体長の１／４程度を切除して残りの３／４程度を使用できるように、出荷時の寸法を設定しておくと良い。例えば、８００ｍｍで出荷した標識棒を２００ｍｍ程度切除して６００ｍｍを使用すると良い。 Here, the reason why the length of the marker rod 60 is adjusted is that the ground marker 61 provided at the upper end portion of the marker rod 60 is embanked even when the embedding depth of the branch pipe 30 is different from the predetermined value. This is to prevent the material from being buried by or protruding upward from the ground surface.
It is preferable to set the dimensions at the time of shipment so that the sign bar 60 can be cut out about 1/4 of the entire length and the remaining 3/4 can be used. For example, it is good to cut out about 200 mm of the labeling rod shipped at 800 mm and use 600 mm.

以上のように、標識棒６０を管継手４０の標識棒立設部４１に立設した後、分岐管３０や管継手４０を埋め戻して図３に示す所定の地表面を形成して官公庁工事は完了となる。このとき、地表面には標識棒６０の上端部位に設けられた地表標識６１が露出される。
その後、宅地区画側では民間工事が行われる。施工作業者は、官民境界位置を示す地表標識６１を探し、地表標識６１の鉛直下方に管継手４０が埋設されていることを確認する。本実施形態では、地表標識６１の断面を矩形形状にして表示面積広く確保しているため、確認作業は容易である。 As described above, after the marker rod 60 is erected on the marker rod standing portion 41 of the pipe joint 40, the branch pipe 30 and the pipe joint 40 are backfilled to form the predetermined ground surface shown in FIG. Is completed. At this time, the ground marker 61 provided at the upper end portion of the marker rod 60 is exposed on the ground surface.
After that, private works will be carried out on the residential area painting side. The construction worker looks for the ground surface sign 61 indicating the public-private boundary position, and confirms that the pipe joint 40 is buried vertically below the ground surface sign 61. In the present embodiment, since the cross section of the ground mark 61 is rectangular and a large display area is secured, the confirmation work is easy.

そして、施工作業者は、この標識位置を掘り起こして管継手４０を露出させるとともに蓋体４０ａを取り外し、建物に向けて埋設される引き込み管５０の管端を管継手４０の受口に挿入して接続する。管継手４０は、図６に示すように、引き込み管５０を接続する側の受口内壁にゴム輪４２が装着されており、管継手４０と引き込み管５０との間のシール性が確保される。
その後、施工作業者は配管を埋め戻し、図２に示すように民間工事を完了する。このとき、標識棒６０を管継手４０から取り外した上で配管を埋め戻すなどしても良い。 Then, the construction worker digs up the mark position to expose the pipe joint 40, removes the cover 40a, and inserts the pipe end of the lead-in pipe 50 embedded in the building into the receiving port of the pipe joint 40. Connecting. As shown in FIG. 6, the pipe joint 40 is provided with a rubber ring 42 on the inner wall of the receiving port on the side to which the lead-in pipe 50 is connected, and a sealing property between the pipe joint 40 and the lead-in pipe 50 is ensured. .
After that, the construction worker backfills the piping and completes the private construction as shown in FIG. At this time, after removing the marker rod 60 from the pipe joint 40, the pipe may be backfilled.

（３）その他の境界表示具：
図９〜図１４は、別の構成を有する管継手を示している。
上述した実施形態の管継ぎ手４０では、図４〜図６に示すように、分岐管３０の受口と引き込み管５０の受口との間に管径が小径となる部位を設け、この小径部４３の外壁に標識棒立設部４１を設けているが、図９および図１０に示すように、小径部を設けることなく標識棒立設部を設けても良い。すなわち、分岐管３０または引き込み管５０の管頂上方に標識棒６０を立設しても良く、かかる構成により管継手の管長方向への省スペース化を図ることも可能である。 (3) Other boundary indicators:
9 to 14 show a pipe joint having another configuration.
In the pipe joint 40 of the above-described embodiment, as shown in FIGS. 4 to 6, a portion having a small diameter is provided between the outlet of the branch pipe 30 and the inlet of the lead-in pipe 50, and this small diameter portion Although the marker bar standing part 41 is provided on the outer wall of 43, the marker bar standing part may be provided without providing the small-diameter part as shown in FIGS. That is, the marker rod 60 may be erected above the top of the branch pipe 30 or the lead-in pipe 50. With this configuration, it is possible to save space in the pipe length direction of the pipe joint.

同様の観点から、ゴム輪受口と差口とを組み合わせた管継手を採用しても良い。また、図１１および図１２に示すように、先端側外周にシール材を装着したコルゲート管を挿入して接続するための受口と、塩ビ管の受口に挿入接続するための差口とを組み合わせた管継手を採用しても良い。
さらに、図１３に示すように、分岐管３０と引き込み管５０との突き合せ位置の上方に標識棒６０を立設する管継手を用いても良いし、図１４に示すように、先端側外周にシール材を装着したコルゲート管を挿入して接続するための受口を両側に設けるとともに、中央の小径部に標識棒６０を立設する管継手を用いても良い。 From the same viewpoint, a pipe joint in which a rubber ring receiving port and a differential port are combined may be employed. Moreover, as shown in FIG. 11 and FIG. 12, a receiving port for inserting and connecting a corrugated pipe having a sealing material attached to the outer periphery on the front end side, and a differential port for inserting and connecting to a receiving pipe of a PVC pipe A combined pipe joint may be employed.
Further, as shown in FIG. 13, a pipe joint in which a marker rod 60 is erected above the abutting position of the branch pipe 30 and the drawing pipe 50 may be used. As shown in FIG. It is also possible to use a pipe joint in which a corrugated pipe fitted with a sealing material is inserted on both sides and connected to both sides, and a marker rod 60 is erected on the small diameter part in the center.

図１５は、管継手と標識棒６０の取付具とを別体にした場合の外観を側面図により示している。同図では標識棒立設部７１を外周に凸設した円筒形状の取付具７０を採用し、この取付具７０には、標識棒立設部を持たない汎用管継手が圧入されている。
取付具７０は、汎用管継手の外径規格に合わせて内径が設定されており、管継手の種類に関係なく利用可能である。なお、取付具７０は、管継手を挿通させて標識棒６０を立設させることができれば良く、管継手を圧入するものに限定されず、挿入後に接着固定するものなどであっても良い。 FIG. 15 is a side view showing an external appearance when the pipe joint and the attachment of the marker bar 60 are separated. In the figure, a cylindrical fixture 70 having a marker bar standing portion 71 projecting outward is adopted, and a general-purpose pipe joint having no marker bar standing portion is press-fitted into the fixture 70.
The inner diameter of the fixture 70 is set in accordance with the outer diameter standard of general-purpose pipe fittings, and can be used regardless of the type of pipe fitting. Note that the mounting tool 70 is not limited to one in which the pipe joint can be inserted and the marker rod 60 can be erected, and is not limited to one that press-fits the pipe joint, and may be one that is adhesively fixed after insertion.

図１６は、別構成を有する標識棒８０を平面図により示している。
同図において、左端部位を断面円形状の取り付け部８１とするとともに、その他の右側部位を断面矩形形状としている。取り付け部８１の長さは、概ね標識棒立設部４１への挿入長さと同等にしており、標識棒８０の立設時には、取り付け部８１が標識棒立設部４１に収容される。
また、標識棒８０の長さ調節が必要な場合には、断面矩形形状の部位を所望長さだけ切除して用いることが可能であり、その際には、切断部位に標識を後付けで設けても良い。 FIG. 16 is a plan view showing a marker bar 80 having another configuration.
In the figure, the left end portion is a mounting section 81 having a circular cross section, and the other right side portion is a rectangular cross section. The length of the attachment portion 81 is substantially the same as the insertion length into the marker rod standing portion 41. When the marker rod 80 is standing, the attachment portion 81 is accommodated in the marker rod standing portion 41.
In addition, when it is necessary to adjust the length of the marker rod 80, it is possible to cut and use a portion having a rectangular cross-section by a desired length. Also good.

（４）まとめ：
このように、官民境界位置にて地下ケーブルの官公庁工事を行うとき、分岐管３０の終端に管継手４０を接続し、管継手４０の標識棒立設部４１に所定長の標識棒６０を立設した後、管継手４０を埋め戻す。すると、地表面には標識棒６０の上端部位に設けられた地表標識６１が露出される。このため、その後に宅地区画側で民間工事を行うとき、施工作業者は容易に地表標識６１を確認して管継手４０が埋設される官民境界位置を把握することが可能となる。 (4) Summary:
In this way, when the underground government office construction is performed at the public-private boundary position, the pipe joint 40 is connected to the end of the branch pipe 30 and the sign bar 60 having a predetermined length is erected on the sign bar standing portion 41 of the pipe joint 40. After installation, the pipe joint 40 is backfilled. As a result, the ground surface marker 61 provided at the upper end portion of the marker bar 60 is exposed on the ground surface. For this reason, when the private construction is subsequently performed on the residential area drawing side, the construction worker can easily confirm the ground surface sign 61 and grasp the public-private boundary position where the pipe joint 40 is buried.

本発明の一実施形態にかかる地下ケーブルの敷設構造を示す概略図である。It is the schematic which shows the laying structure of the underground cable concerning one Embodiment of this invention. 工事完了後の埋設管経路を示す概略図である。It is the schematic which shows the buried pipe path | route after construction completion. 官公庁工事を完了した後の埋設管経路を示す概略図である。It is the schematic which shows the buried pipe route after completing government office construction. 本実施形態にかかる管継手の構成を示す正面図である。It is a front view which shows the structure of the pipe joint concerning this embodiment. 本実施形態にかかる管継手の構成を示す平面図である。It is a top view which shows the structure of the pipe joint concerning this embodiment. 図４のＡ−Ａ断面図である。It is AA sectional drawing of FIG. 図４のＢ−Ｂ断面図である。It is BB sectional drawing of FIG. 本実施形態にかかる標識棒の構成を示す正面図である。It is a front view which shows the structure of the label stick | rod concerning this embodiment. 本実施形態とは別の構成を有する管継手を示す正面図である。It is a front view which shows the pipe joint which has a structure different from this embodiment. 図９のＣ−Ｃ断面図である。It is CC sectional drawing of FIG. 本実施形態とは別の構成を有する管継手を示す正面図である。It is a front view which shows the pipe joint which has a structure different from this embodiment. 図１１のＤ−Ｄ断面図である。It is DD sectional drawing of FIG. 本実施形態とは別の構成を有する管継手を示す断面図である。It is sectional drawing which shows the pipe joint which has a structure different from this embodiment. 本実施形態とは別の構成を有する管継手を示す断面図である。It is sectional drawing which shows the pipe joint which has a structure different from this embodiment. 標識棒の取付具を別体にした場合の管継手の外観を示す側面図である。It is a side view which shows the external appearance of the pipe joint at the time of making the attachment tool of a label | marker stick | rod separate. 本実施形態とは別構成を有する標識棒を示す平面図である。It is a top view which shows the marker stick | rod which has a structure different from this embodiment.

符号の説明Explanation of symbols

３０ 分岐管
４０ 管継手
４１ 標識棒立設部
５０ 引き込み管
６０ 標識棒
６１ 地表標識 30 Branch pipe 40 Pipe joint 41 Marking bar standing part 50 Pull-in pipe 60 Marking bar 61 Ground mark

Claims (8)

公共管路から地下ケーブルを分岐させて宅地区画内に引き込む分岐管路にて、配管工事区分の境界を表示することを特徴とする境界表示方法。   A boundary display method characterized by displaying a boundary of a plumbing section on a branch pipe that branches an underground cable from a public pipe and draws it into a residential area. 公共管路から地下ケーブルを分岐させて宅地区画内に引き込む分岐管路における境界表示方法であって、
上記分岐管路に管継手を接続するとともに、この管継手の埋設位置に標識を設けて配管工事区分の境界を表示することを特徴とする境界表示方法。 It is a boundary display method in a branch pipe that branches an underground cable from a public pipe and draws it into a residential area.
A boundary display method, wherein a pipe joint is connected to the branch pipe, and a mark is provided at a buried position of the pipe joint to display a boundary of a piping work section. 上記管継手に棒材を立設するとともに、同棒材の上端部位に地表標識を設けたことを特徴とする上記請求項２に記載の境界表示方法。   3. The boundary display method according to claim 2, wherein a bar is erected on the pipe joint, and a ground mark is provided at an upper end portion of the bar. 上記棒材は上記管継手の管頂部位に立設されることを特徴とする上記請求項２または請求項３のいずれかに記載の境界表示方法。   The boundary display method according to claim 2, wherein the bar is erected on a pipe top portion of the pipe joint. 公共管路から地下ケーブルを分岐させて宅地区画内に引き込む分岐管路に配設される境界表示具であって、
上端部位に配管工事区分の境界を表示する地表標識を備えた棒材と、
上記分岐管路に接続されるとともに、上記棒材を挿着して立設可能な筒形状の棒材立設部が壁面から外方に凸設される管継手とを具備することを特徴とする境界表示具。 It is a boundary indicator arranged on a branch pipe that branches an underground cable from a public pipe and draws it into a residential area.
A bar with a ground sign that displays the boundary of the piping work classification at the upper end part,
A tubular bar upright portion that is connected to the branch pipe and can be erected by inserting the bar is provided with a pipe joint protruding outward from the wall surface. Boundary indicator. 公共管路から地下ケーブルを分岐させて宅地区画内に引き込む分岐管路に接続された管継手に配設される境界表示具であって、
上端部位に配管工事区分の境界を表示する地表標識を備えた棒材と、
上記棒材を挿着して立設可能であるとともに、上記管継手に取り付けられる取付具とを具備することを特徴とする境界表示具。 It is a boundary indicator arranged on a pipe joint connected to a branch pipe that branches an underground cable from a public pipe and draws it into a residential area,
A bar with a ground sign that displays the boundary of the piping work classification at the upper end part,
A boundary indicator that is capable of being erected by inserting the bar, and having a fixture attached to the pipe joint. 上記棒材は、上記管継手の管頂部位に立設されることを特徴とする上記請求項５または請求項６のいずれかに記載の境界表示具。   The boundary indicator according to any one of claims 5 and 6, wherein the bar is erected at a pipe top portion of the pipe joint. 上記棒材は、上端部位を断面矩形形状とするとともに、下端側を断面円形状とすることを特徴とする上記請求項５〜請求項７のいずれかに記載の境界表示具。   The boundary indicator according to any one of claims 5 to 7, wherein the bar has an upper end portion having a rectangular cross section and a lower end side having a circular cross section.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010117390A1 (en) * 2009-03-31 2010-10-14 Infinity Times Infinity, Llc Systems and methods for marking and detecting an underground utility
KR101505453B1 (en) * 2013-09-06 2015-03-25 신수홍 A Information Indicator and protector of the Underground Pipe

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JPS5852585U (en) * 1981-10-05 1983-04-09 ヨツギ株式会社 display bar
JPS59119489U (en) * 1983-01-31 1984-08-11 サッポロ産機株式会社 Marker pole for underground objects in grazing land
JPS59126278U (en) * 1983-02-14 1984-08-25 日本エンヂニヤ−・サ−ビス株式会社 Buried piping display device
JPS6238985U (en) * 1985-08-23 1987-03-07
JPS6328463Y2 (en) * 1980-08-27 1988-08-01
JPH0734521A (en) * 1993-07-19 1995-02-03 Kubota Corp Remade basin and sanitary sewage pipeline
JP2003322525A (en) * 2002-02-26 2003-11-14 Ripuro:Kk Marking device

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JPS6328463Y2 (en) * 1980-08-27 1988-08-01
JPS5852585U (en) * 1981-10-05 1983-04-09 ヨツギ株式会社 display bar
JPS59119489U (en) * 1983-01-31 1984-08-11 サッポロ産機株式会社 Marker pole for underground objects in grazing land
JPS59126278U (en) * 1983-02-14 1984-08-25 日本エンヂニヤ−・サ−ビス株式会社 Buried piping display device
JPS6238985U (en) * 1985-08-23 1987-03-07
JPH0734521A (en) * 1993-07-19 1995-02-03 Kubota Corp Remade basin and sanitary sewage pipeline
JP2003322525A (en) * 2002-02-26 2003-11-14 Ripuro:Kk Marking device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010117390A1 (en) * 2009-03-31 2010-10-14 Infinity Times Infinity, Llc Systems and methods for marking and detecting an underground utility
KR101505453B1 (en) * 2013-09-06 2015-03-25 신수홍 A Information Indicator and protector of the Underground Pipe

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