JP4776525B2 - Sleeve fixing jig and sleeve fixing method using the same - Google Patents

Sleeve fixing jig and sleeve fixing method using the same Download PDF

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JP4776525B2
JP4776525B2 JP2006345854A JP2006345854A JP4776525B2 JP 4776525 B2 JP4776525 B2 JP 4776525B2 JP 2006345854 A JP2006345854 A JP 2006345854A JP 2006345854 A JP2006345854 A JP 2006345854A JP 4776525 B2 JP4776525 B2 JP 4776525B2
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sleeve
reinforcing bar
binding wire
sleeve fixing
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JP2008156875A (en
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歩 中田
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Asahi Kasei Homes Corp
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この発明は、スリーブ固定治具及びそれを用いたスリーブ固定方法の技術分野に属し、更に云うと、スリーブを補強筋の内部の所定の位置に簡易、迅速に固定するスリーブ固定治具及びそれを用いたスリーブ固定方法に関する。   The present invention belongs to the technical field of a sleeve fixing jig and a sleeve fixing method using the same, and more specifically, a sleeve fixing jig for fixing a sleeve to a predetermined position inside a reinforcing bar easily and quickly, and the same. The present invention relates to a sleeve fixing method used.

鉄筋コンクリート造の壁、梁、基礎スラブ等に配管、配線用の貫通穴を設ける場合、硬化したコンクリートに穴を形成することは容易ではなく、また鉄筋を切断する虞もあるので、コンクリートの所定の位置にスリーブを埋設することで、貫通穴を形成している。   When providing through-holes for piping and wiring in reinforced concrete walls, beams, foundation slabs, etc., it is not easy to form holes in hardened concrete, and there is a risk of cutting the reinforcing bars. A through hole is formed by embedding a sleeve at the position.

この際、貫通穴は断面欠損部となるので、所望の強度を得られるように、貫通穴周辺に補強筋を配筋し補強するのが一般的であり、前記補強筋は、施工性を高めるためにロ字形状、円形状等の環状に形成されているが、環状の補強筋の内側に所定のコンクリートかぶり厚が確保されるように精度良くスリーブを配置することが重要である。   At this time, since the through hole becomes a cross-sectional defect part, it is common to reinforce and reinforce reinforcing bars around the through hole so that a desired strength can be obtained, and the reinforcing bars enhance workability. Therefore, it is formed in an annular shape such as a square shape or a circular shape, but it is important to arrange the sleeve with high precision so that a predetermined concrete cover thickness is secured inside the annular reinforcing bar.

例えば、特許文献１では、環状支持バンドでスリーブを支持し、環状支持バンドから放射状に取り付けられた複数本のスポーク体の先端部クリップで環状の補強筋を把握することによって、スリーブを精度良く所定の位置に固定（配置）するスリーブ支持装置が提案されている。上記構成によるとスリーブの配置操作を簡単に行うことができる。   For example, in Patent Document 1, the sleeve is accurately determined by supporting the sleeve with an annular support band and grasping the annular reinforcing bars with the tip clips of a plurality of spokes radially attached from the annular support band. There has been proposed a sleeve support device that is fixed (arranged) at the position. According to the above configuration, the sleeve can be easily arranged.

また、特許文献２では、環状の補強筋に対し、固定腕を放射状に固定し、固定腕の先端部に取り付けられた進退自在な係止部材やキャップでスリーブを挟持して保持するスリーブ保持手段が提案されている。上記構成によるとスリーブの径に合わせて係止部材を進退させることで異なる径のスリーブに対応可能である。   Further, in Patent Document 2, a sleeve holding means that fixes a fixed arm radially to an annular reinforcing bar, and holds the sleeve by holding and retracting a locking member or cap attached to the tip of the fixed arm. Has been proposed. According to the said structure, it can respond to the sleeve of a different diameter by advancing and retracting a locking member according to the diameter of a sleeve.

特開２００５−６８８２４号公報JP-A-2005-68824 特開２００４−２２５３２８号公報JP 2004-225328 A

しかしながら、特許文献１の技術では、汎用性に欠け、スリーブの径や補強筋の形状に応じて複数種類のスリーブ支持装置を用意しなければならない問題がある。   However, the technique of Patent Document 1 lacks versatility, and there is a problem that a plurality of types of sleeve support devices must be prepared according to the diameter of the sleeve and the shape of the reinforcing bar.

また、特許文献２の技術では、特許文献１のような汎用性の問題はないものの、それぞれのスリーブに対して複雑な機構の係止部材が１本ないし複数本必要で、且つそれらはコンクリート内部に埋め殺されてしまい繰り返しの使用が不可能であるため、コストが嵩むという問題がある。   Further, in the technique of Patent Document 2, there is no problem of versatility as in Patent Document 1, but one or a plurality of locking members of a complicated mechanism are required for each sleeve, and they are inside concrete. In other words, it is buried in the surface and cannot be used repeatedly, which increases the cost.

本発明は上記問題を解決し、使用するスリーブの径や補強筋の形状等に容易に対応でき、汎用性に優れたスリーブ固定治具と、そのスリーブ固定治具を用いることでスリーブの位置決めが容易で、他に特殊な加工や機構を必要とせず、コストの軽減に寄与するスリーブ固定方法を提供することを目的とする。   The present invention solves the above problems, can easily cope with the diameter of the sleeve to be used, the shape of the reinforcing bar, etc., and has a versatile sleeve fixing jig, and the sleeve fixing jig can be used to position the sleeve. It is an object to provide a sleeve fixing method that is easy and does not require any other special processing or mechanism and contributes to cost reduction.

上記背景技術の課題を解決するための手段として、請求項１に記載した発明に係るスリーブ固定治具は、
環状に形成された鉄筋から成る補強筋の内部にスリーブを配置し、同スリーブを結束線で前記補強筋に固定する際に用いられるスリーブ固定治具であって、
板状部材に、補強筋を嵌め込む補強筋用凹部と、スリーブを嵌め込む貫通穴と、同貫通穴から放射状に延び前記補強筋用凹部まで達する複数の結束線用凹部とが形成されていることを特徴とする。 As means for solving the problems of the background art, the sleeve fixing jig according to the invention described in claim 1 is:
A sleeve fixing jig that is used when a sleeve is disposed inside a reinforcing bar formed of an annularly formed reinforcing bar, and the sleeve is fixed to the reinforcing bar with a binding wire,
The plate-like member is formed with a reinforcing bar recess for fitting a reinforcing bar, a through hole into which a sleeve is fitted, and a plurality of binding wire recesses extending radially from the through hole to reach the reinforcing bar recess. It is characterized by that.

請求項２記載の発明は、請求項１に記載のスリーブ固定治具において、
板状部材は発泡樹脂板で構成されていることを特徴とする。 The invention according to claim 2 is the sleeve fixing jig according to claim 1,
The plate member is formed of a foamed resin plate.

請求項３に記載した発明に係るスリーブ固定方法は、
環状に形成された鉄筋から成る補強筋の内部にスリーブを配置し、同スリーブを結束線で前記補強筋に固定する方法であって、
板状部材に、補強筋を嵌め込む補強筋用凹部と、スリーブを嵌め込む貫通穴と、同貫通穴から放射状に延び前記補強筋用凹部まで達する複数の結束線用凹部とを形成してスリーブ固定治具を製作すること、
スリーブに環状結束線を巻き付け、同環状結束線から複数本の放射状結束線を延ばし、その放射状結束線をスリーブ固定治具の結束線用凹部に配置しつつ、スリーブを貫通穴に嵌め込み、前記放射状結束線の端部を補強筋用凹部に嵌め込んだ補強筋に結束することを特徴とする。 The sleeve fixing method according to the invention described in claim 3 is:
A method of disposing a sleeve inside a reinforcing bar composed of an annular reinforcing bar, and fixing the sleeve to the reinforcing bar with a binding wire,
Reinforcing bar recess for fitting a reinforcing bar, a through hole into which a sleeve is fitted, and a plurality of binding wire recesses extending radially from the through hole to reach the reinforcing bar recess. Making fixtures,
Annular binding wire is wound around the sleeve, a plurality of radial binding wires are extended from the annular binding wire, and the radial binding wire is placed in the concave portion for the binding wire of the sleeve fixing jig, and the sleeve is fitted into the through hole, and the radial It is characterized in that the end portion of the binding wire is bound to a reinforcing bar fitted into the reinforcing bar recess.

本発明に係るスリーブ固定治具は、使用するスリーブの径や補強筋の形状等に合わせて板状部材を加工するだけで、スリーブの径や補強筋の形状等に容易に対応することができる。特に、板状部材を発泡樹脂板で構成すると、例えば現場サイトでカッターナイフ等を用いて簡単に製作することもでき、型を起こす必要がない。しかも使用するスリーブの径や補強筋の形状等に合わせて対応し易くなる。つまり、量産でも現場での加工でも対応することができる。   The sleeve fixing jig according to the present invention can easily cope with the diameter of the sleeve and the shape of the reinforcing bar only by processing the plate member according to the diameter of the sleeve to be used and the shape of the reinforcing bar. . In particular, if the plate-like member is made of a foamed resin plate, it can be easily manufactured using a cutter knife or the like at the site, for example, and there is no need to raise a mold. Moreover, it becomes easy to cope with the diameter of the sleeve to be used, the shape of the reinforcing bar, and the like. In other words, both mass production and on-site processing can be handled.

また、スリーブ固定治具はスリーブとともにコンクリート内に埋め殺しにする必要がないので繰り返し使用することができ、コストの削減に寄与する。   Further, since the sleeve fixing jig does not need to be buried in the concrete together with the sleeve, it can be used repeatedly, which contributes to cost reduction.

本発明に係るスリーブ固定方法は、上記スリーブ固定治具を用い、スリーブを貫通穴に嵌め込んで固定するので、各々の放射状結束線の張力が不均等であっても、スリーブがズリ動くことがなく、しっかりと補強筋内の所定の位置に固定することができる。つまり、スリーブの位置決めが容易である。   The sleeve fixing method according to the present invention uses the above-mentioned sleeve fixing jig and fixes the sleeve by fitting it into the through hole, so that even if the tensions of the radial binding wires are not uniform, the sleeve may be displaced. And can be firmly fixed in place in the reinforcing bar. That is, positioning of the sleeve is easy.

しかも放射状結束線の張力は、補強筋用凹部の空いているスペースで、結束工具（ハッカー）を用いて導入することができ、作業性に優れている。   In addition, the tension of the radial binding wires can be introduced using a binding tool (hacker) in a space where the reinforcing bar recesses are vacant, and the workability is excellent.

また、スリーブ固定治具の他に特殊な機構、加工を必要とせず、鉄筋の結束作業に一般的に用いられている結束工具さえあれば作業ができ、コストの削減に寄与する。   Further, no special mechanism or processing is required in addition to the sleeve fixing jig, and if there is only a binding tool generally used for the binding work of reinforcing bars, the work can be performed, which contributes to cost reduction.

以下、請求項１、２に記載した発明に係るスリーブ固定治具、及び請求項３に記載した発明に係る前記スリーブ固定治具を用いたスリーブ固定方法の実施形態を図面に基いて説明する。なお、便宜上、先にスリーブ固定治具について説明し、その後前記スリーブ固定治具を用いたスリーブ固定方法について説明する。   Embodiments of a sleeve fixing jig according to the invention described in claims 1 and 2 and a sleeve fixing method using the sleeve fixing jig according to the invention described in claim 3 will be described below with reference to the drawings. For convenience, the sleeve fixing jig will be described first, and then the sleeve fixing method using the sleeve fixing jig will be described.

本発明のスリーブ固定治具１は、環状に形成された鉄筋から成る補強筋２の内部にスリーブ３を配置し、同スリーブ３を結束線４で前記補強筋２に固定する際に好適に用いられる（図１を参照）。   A sleeve fixing jig 1 according to the present invention is suitably used when a sleeve 3 is disposed inside a reinforcing bar 2 made of an annularly formed reinforcing bar, and the sleeve 3 is fixed to the reinforcing bar 2 with a binding wire 4. (See FIG. 1).

このスリーブ固定治具１は、板状部材５に、補強筋２を嵌め込む補強筋用凹部６と、スリーブ３を嵌め込む貫通穴７と、同貫通穴７から放射状に延び前記補強筋用凹部６まで達する複数の結束線用凹部８とが形成されていることを特徴とする（請求項１記載の発明）。   The sleeve fixing jig 1 includes a reinforcing bar recess 6 into which a reinforcing bar 2 is fitted into a plate-like member 5, a through hole 7 into which the sleeve 3 is fitted, and a reinforcing bar recess extending radially from the through hole 7. A plurality of binding wire recesses 8 reaching 6 are formed (the invention according to claim 1).

板状部材５は、特に限定されず、繰り返し使用できる耐久性を備えている材料で構成されていれば良いが、発泡樹脂板で構成すると、例えば現場サイトでカッターナイフ等を用いて簡単に製作することもでき、型を起こす必要がない（請求項２記載の発明）。しかも使用するスリーブ３の径や補強筋２の形状に合わせて容易に対応し易くなる。つまり、量産でも現場での加工でも対応することができる。   The plate-like member 5 is not particularly limited as long as it is made of a material having durability that can be used repeatedly. If it is made of a foamed resin plate, for example, it can be easily manufactured at a site using a cutter knife or the like. It is not necessary to raise the mold (the invention according to claim 2). And it becomes easy to respond easily according to the diameter of the sleeve 3 to be used and the shape of the reinforcing bar 2. In other words, both mass production and on-site processing can be handled.

補強筋用凹部６は、嵌め込んだ補強筋２とスリーブ３とを結束線４で連結した際に、補強筋２がズリ動かないように、同補強筋用凹部６の側壁６ａが補強筋２の内周と略等しい形状であることが好ましいが、部分的に側壁６ａが補強筋２に接触して同補強筋２を固定する形状であっても良い。要するに、補強筋２がズリ動かないように固定できる形状であれば良い。ちなみに、本実施形態では、補強筋２が正方形状の外周筋２ａと、同外周筋２ａの内部に配置され一体化された八角形状の内周筋２ｂとから成るため、補強筋用凹部６の側壁６ａは前記内周筋２ｂに合わせて八角形状に形成されている。   Reinforcing bar recess 6 has a side wall 6a of reinforcing bar recess 6 to provide reinforcing bar 2 so that reinforcing bar 2 does not move when connecting reinforcing bar 2 and sleeve 3 are connected by binding wire 4. However, the shape may be such that the side wall 6 a partially contacts the reinforcing bar 2 and fixes the reinforcing bar 2. In short, any shape that can fix the reinforcing bar 2 so as not to shift is sufficient. Incidentally, in this embodiment, since the reinforcing bar 2 is composed of the square outer peripheral line 2a and the octagonal inner peripheral line 2b arranged and integrated inside the outer peripheral line 2a, The side wall 6a is formed in an octagon shape in conformity with the inner peripheral line 2b.

補強筋用凹部６の幅寸法、深さは、補強筋２を嵌め込むのに十分な幅寸法、深さを有していれば良いが、補強筋用凹部６は前記の深さのまま外方に切り欠いた、即ち断面Ｌ字形状とされていると、補強筋２の外周筋２ａの形状を問わず使用することができ、しかも結束線４を内周筋２ｂに結束する際の作業スペースを確保することができ、好都合である。   The width and depth of the reinforcing bar recess 6 need only have a width and depth sufficient to fit the reinforcing bar 2, but the reinforcing bar recess 6 remains outside the above-mentioned depth. If the cross section is cut out, that is, has an L-shaped cross section, it can be used regardless of the shape of the outer periphery 2a of the reinforcing bar 2, and the work for binding the binding wire 4 to the inner periphery 2b Space can be reserved and is convenient.

貫通穴７は、スリーブ３の外径と略等しい内径とされていることが好ましいが、やはり部分的に貫通穴７の側壁がスリーブ３に接触して同スリーブ３を固定する形状であっても良い。この貫通穴７も、要するにスリーブ３がズリ動かないように固定できる形状であれば良い。   The through hole 7 preferably has an inner diameter substantially equal to the outer diameter of the sleeve 3, but the side wall of the through hole 7 may partially contact the sleeve 3 to fix the sleeve 3. good. In short, the through hole 7 may have any shape that can be fixed so that the sleeve 3 does not move.

結束線用凹部８は、結束線４が配置される位置に対応して形成されており、スリーブ３をバランス良く固定できるように、略等間隔で少なくとも３本以上形成される。このとき、結束線用凹部８の幅寸法、深さは、結束線４を配置するのに十分な幅寸法、深さを有していれば良いが、作業性を考慮して、補強筋用凹部６に嵌め込まれた補強筋２の中心位置より深く凹んでいることが好ましい。   The binding wire recesses 8 are formed corresponding to the positions where the binding wires 4 are arranged, and are formed at least three or more at substantially equal intervals so that the sleeve 3 can be fixed with good balance. At this time, the width dimension and depth of the binding wire recess 8 need only have a width dimension and a depth sufficient for arranging the binding line 4. It is preferable that the recess is deeper than the center position of the reinforcing bar 2 fitted in the recess 6.

上記構成のスリーブ固定治具１を用いて、本発明のスリーブ固定方法は以下のように実施される。   Using the sleeve fixing jig 1 having the above-described configuration, the sleeve fixing method of the present invention is implemented as follows.

先ず、補強筋２の形状、スリーブ３の径、結束線４の配置に合わせて、板状部材５に、補強筋２を嵌め込む補強筋用凹部６と、スリーブ３を嵌め込む貫通穴７と、同貫通穴７から放射状に延び前記補強筋用凹部６まで達する複数の結束線用凹部８とを形成してスリーブ固定治具１を製作する。補強筋２の形状、スリーブ３の径、結束線４の配置に合わせて板状部材５を加工するだけで、スリーブ３の径、補強筋２の形状に容易に対応することができる。   First, in accordance with the shape of the reinforcing bar 2, the diameter of the sleeve 3, and the arrangement of the binding wires 4, the reinforcing bar recess 6 for fitting the reinforcing bar 2 into the plate-like member 5, and the through hole 7 for fitting the sleeve 3. The sleeve fixing jig 1 is manufactured by forming a plurality of binding wire recesses 8 extending radially from the through hole 7 and reaching the reinforcing bar recess 6. By simply processing the plate member 5 in accordance with the shape of the reinforcing bar 2, the diameter of the sleeve 3, and the arrangement of the binding wires 4, the diameter of the sleeve 3 and the shape of the reinforcing bar 2 can be easily accommodated.

次に、スリーブ固定治具１の補強筋用凹部６に補強筋２を嵌め込む（図２を参照）。補強筋２は、通例の補強筋と同様に鉄筋から成るが、本実施形態では、上述したように例えば鉄筋コンクリート造壁を施工するべく配筋された縦筋９、横筋１０（図７を参照）に容易に取り付けることができるように、正方形状に形成された外周筋２ａと、スリーブ３から四方に略等間隔で延ばした４本の結束線４…をそれぞれ鉄筋に対して略直角に結束できるように、八角形状に形成された内周筋２ｂとが溶接により一体化されている。   Next, the reinforcing bar 2 is fitted into the reinforcing bar recess 6 of the sleeve fixing jig 1 (see FIG. 2). The reinforcing bar 2 is composed of a reinforcing bar in the same manner as a normal reinforcing bar, but in this embodiment, as described above, for example, a vertical bar 9 and a horizontal bar 10 arranged to construct a reinforced concrete wall (see FIG. 7). The outer peripheral reinforcement 2a formed in a square shape and the four binding wires 4 extending from the sleeve 3 to the four sides at substantially equal intervals can be bundled substantially at right angles to the reinforcing bars. Thus, the inner periphery 2b formed in octagon shape is integrated by welding.

上記工程の一方で、スリーブ３から放射状に４本の結束線４…を略等間隔で延ばす。具体的に云うと、スリーブ３は、通例のスリーブと同様に、ボイド管、塩ビ管等から成り、このスリーブ３の所定の高さに環状結束線４ａを巻き付け、同環状結束線４ａに略等間隔に４本の放射状結束線４ｂ…をＵ字状に通し、環状結束線４ａから放射状結束線４ｂを放射状に延ばす（図３を参照）。   On the other hand, the four binding wires 4 are radially extended from the sleeve 3 at substantially equal intervals. More specifically, the sleeve 3 is formed of a void tube, a vinyl chloride tube or the like, like the usual sleeve, and an annular binding wire 4a is wound around the sleeve 3 at a predetermined height, and the annular binding wire 4a is substantially equal. The four radial binding wires 4b... Are passed in a U-shape at intervals, and the radial binding wires 4b are extended radially from the annular binding wire 4a (see FIG. 3).

この放射状結束線４ｂの一方の端部を前記スリーブ固定治具１の補強筋用凹部６に嵌め込んだ補強筋２の内周筋２ｂの下方に通し、他方の端部を上方に通して、放射状結束線４ｂを結束線用凹部８に配置しつつ、スリーブ３を貫通穴７に嵌め込み、前記放射状結束線４ｂの両端部を引っ張って同放射状結束線４ｂが弛まないように緊張させ結束する（図４、図５を参照、請求項３記載の発明）。スリーブ３は貫通穴７に嵌め込まれ固定されているので、４本の放射状結束線４ｂ…の張力が不均等であっても、ズリ動くことがなく、しっかりと補強筋２内の所定の位置に固定することができる。しかも放射状結束線４ｂの張力は、補強筋用凹部６の空いているスペースで、結束工具（ハッカー）を用いて導入することができ、作業性に優れている。また、スリーブ固定治具１の他に特殊な機構、加工を必要とせず、鉄筋の結束作業に一般的に用いられている結束工具さえあれば作業ができ、コストの削減に寄与する。   One end of the radial binding wire 4b is passed below the inner peripheral reinforcement 2b of the reinforcement 2 fitted in the reinforcement reinforcement recess 6 of the sleeve fixing jig 1, and the other end is passed upward. While the radial binding wire 4b is disposed in the binding wire recess 8, the sleeve 3 is fitted into the through hole 7, and both ends of the radial binding wire 4b are pulled to be tensioned and bound so that the radial binding wire 4b does not loosen ( (See FIG. 4 and FIG. 5, invention according to claim 3). Since the sleeve 3 is fitted and fixed in the through hole 7, even if the tensions of the four radial binding wires 4 b are uneven, the sleeve 3 does not move and is firmly in a predetermined position in the reinforcing bar 2. Can be fixed. Moreover, the tension of the radial binding wires 4b can be introduced by using a binding tool (hacker) in the space where the reinforcing bar recess 6 is vacant, and is excellent in workability. Further, no special mechanism or processing is required in addition to the sleeve fixing jig 1, and the work can be performed with only a binding tool generally used for the binding work of reinforcing bars, which contributes to cost reduction.

上記工程によって結束線４で一体化された補強筋２とスリーブ３とはスリーブ固定治具１から抜き取られ、例えば鉄筋コンクリート造壁を形成するべく配筋された縦筋９、横筋１０に結束線を用いて補強筋２の外周筋２ａが取り付けられる（図６、図７を参照）。スリーブ固定治具１はスリーブとともにコンクリート内に埋め殺しにする必要がないので繰り返し使用することができ、やはりコストの削減に寄与する。   The reinforcing bar 2 and the sleeve 3 integrated with the binding line 4 by the above process are extracted from the sleeve fixing jig 1, and, for example, the binding line is connected to the vertical bar 9 and the horizontal bar 10 arranged to form a reinforced concrete wall. The outer periphery 2a of the reinforcing bar 2 is attached by using (see FIGS. 6 and 7). Since the sleeve fixing jig 1 does not need to be buried in the concrete together with the sleeve, it can be used repeatedly, which also contributes to cost reduction.

本発明のスリーブ固定治具及びそれを用いたスリーブ固定方法は、環状に形成された鉄筋から成る補強筋の内部にスリーブを配置し、同スリーブを結束線で前記補強筋に固定する際に利用可能である。   A sleeve fixing jig and a sleeve fixing method using the same according to the present invention are used when a sleeve is disposed inside a reinforcing bar formed of an annularly formed reinforcing bar, and the sleeve is fixed to the reinforcing bar with a binding wire. Is possible.

本発明に係るスリーブ固定治具を概略的に示した図である。It is the figure which showed schematically the sleeve fixing jig which concerns on this invention. 本発明に係るスリーブ固定方法において、スリーブ固定治具の補強筋用凹部に補強筋を嵌め込んだ状態を示した図である。In the sleeve fixing method which concerns on this invention, it is the figure which showed the state which inserted the reinforcing bar in the recessed part for reinforcing bars of the sleeve fixing jig. スリーブに環状結束線を巻き付け、同環状結束線に放射状結束線を通した状態を示した図である。It is the figure which showed the state which wound the annular binding wire around the sleeve and let the radial binding wire pass through the annular binding wire. 本発明に係るスリーブ固定方法において、補強筋に放射状結束線を結束する段階を示した図である。In the sleeve fixing method according to the present invention, it is a diagram showing a step of binding the radial binding wire to the reinforcing bar. 本発明に係るスリーブ固定方法において、補強筋に放射状結束線を結束した段階を示した図である。In the sleeve fixing method according to the present invention, it is a diagram showing a stage in which a radial binding wire is bound to a reinforcing bar. 本発明に係るスリーブ固定方法において、結束線で一体化した補強筋とスリーブとをスリーブ固定治具から抜き取る段階を示した図である。In the sleeve fixing method according to the present invention, it is a diagram showing a step of extracting a reinforcing bar and a sleeve integrated with a binding wire from a sleeve fixing jig. 結束線で一体化した補強筋とスリーブとを、鉄筋コンクリート造壁を構築するべく配筋された縦筋と横筋に取り付ける段階を示した図である。It is the figure which showed the step which attaches the reinforcing bar and the sleeve which were integrated by the binding line to the vertical bar and the horizontal bar arranged to construct the reinforced concrete wall.

符号の説明Explanation of symbols

１ スリーブ固定治具
２ 補強筋
３ スリーブ
４ 結束線
４ａ 環状結束線
４ｂ 放射状結束線
５ 板状部材
６ 補強筋用凹部
７ 貫通穴
８ 結束線用凹部 DESCRIPTION OF SYMBOLS 1 Sleeve fixing jig 2 Reinforcing bar 3 Sleeve 4 Binding wire 4a Annular binding wire 4b Radial binding wire 5 Plate member 6 Reinforcing bar recess 7 Through hole 8 Binding wire recess

Claims (3)

環状に形成された鉄筋から成る補強筋の内部にスリーブを配置し、同スリーブを結束線で前記補強筋に固定する際に用いられるスリーブ固定治具であって、
板状部材に、補強筋を嵌め込む補強筋用凹部と、スリーブを嵌め込む貫通穴と、同貫通穴から放射状に延び前記補強筋用凹部まで達する複数の結束線用凹部とが形成されていることを特徴とする、スリーブ固定治具。 A sleeve fixing jig that is used when a sleeve is disposed inside a reinforcing bar formed of an annularly formed reinforcing bar, and the sleeve is fixed to the reinforcing bar with a binding wire,
The plate-like member is formed with a reinforcing bar recess for fitting a reinforcing bar, a through hole into which a sleeve is fitted, and a plurality of binding wire recesses extending radially from the through hole to reach the reinforcing bar recess. A sleeve fixing jig. 板状部材は発泡樹脂板で構成されていることを特徴とする、請求項１に記載のスリーブ固定治具。   The sleeve fixing jig according to claim 1, wherein the plate-like member is formed of a foamed resin plate. 環状に形成された鉄筋から成る補強筋の内部にスリーブを配置し、同スリーブを結束線で前記補強筋に固定する方法であって、
板状部材に、補強筋を嵌め込む補強筋用凹部と、スリーブを嵌め込む貫通穴と、同貫通穴から放射状に延び前記補強筋用凹部まで達する複数の結束線用凹部とを形成してスリーブ固定治具を製作すること、
スリーブに環状結束線を巻き付け、同環状結束線から複数本の放射状結束線を延ばし、その放射状結束線をスリーブ固定治具の結束線用凹部に配置しつつ、スリーブを貫通穴に嵌め込み、前記放射状結束線の端部を補強筋用凹部に嵌め込んだ補強筋に結束することを特徴とする、スリーブ固定方法。 A method of disposing a sleeve inside a reinforcing bar composed of an annular reinforcing bar, and fixing the sleeve to the reinforcing bar with a binding wire,
Reinforcing bar recess for fitting a reinforcing bar, a through hole into which a sleeve is fitted, and a plurality of binding wire recesses extending radially from the through hole to reach the reinforcing bar recess. Making fixtures,
Annular binding wire is wound around the sleeve, a plurality of radial binding wires are extended from the annular binding wire, the radial binding wire is placed in the concave portion for binding wire of the sleeve fixing jig, and the sleeve is fitted into the through hole, and the radial A sleeve fixing method characterized by binding an end portion of a binding wire to a reinforcing bar fitted into a reinforcing bar recess.
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