JP3158383U

JP3158383U - Body reinforcement assembly jig

Info

Publication number: JP3158383U
Application number: JP2009008271U
Authority: JP
Inventors: 裕次池田; 知宏安藤; 政巳杉山
Original assignee: 川北電気工業株式会社
Priority date: 2009-10-30
Filing date: 2009-10-30
Publication date: 2010-04-02
Anticipated expiration: 2019-10-30

Abstract

【課題】深礎基礎工事において、立坑内にライナ−プレ−トを組立てて据付けた円形支保工によって躯体部を構成する縦筋とフ−プ筋の坑内での建込み作業を安全かつ能率的に行うことができる躯体配筋組立用治具を提供する。【解決手段】立坑の中に構設したライナープレート１の横フランジ２の連結ボルト孔にフープ筋５を支保する鋼棒のブラケット１１が取着されている配筋組立用のガイドバー１０を２個のスペースホルダー１２を使って円形支保工１の内側面に数本垂設する。ガイドバー１０のブラケット１１の上に輪状のフープ筋５を下部から順次、載置、定着し、数段のフープ筋５をブラケット１１の上に載設した後、繞設したフープ筋５の内側に上から降ろした縦筋４を坑底地盤９に敷設したスペーサーブロック６上に載せて建ち上げ、水平に繞設したフープ筋５と垂設した縦筋４を針金により緊縛、定着し、円形の支保工１内に円筒状の鉄筋籠を構成する。【選択図】図１[PROBLEMS] Safe and efficient installation work of vertical and hood bars in a pit, which constitutes a frame, by a circular support work in which a liner plate is assembled and installed in a vertical shaft in deep foundation work. Provided is a jig for assembling a rod arrangement that can be performed in the same manner. 2) A bar assembly guide bar 10 having a steel bar bracket 11 attached to a connecting bolt hole of a lateral flange 2 of a liner plate 1 installed in a shaft is attached. Several space holders 12 are used to hang several pieces on the inner surface of the circular support 1. A ring-shaped hoop muscle 5 is placed and fixed on the bracket 11 of the guide bar 10 sequentially from the bottom, and after several stages of the hoop muscle 5 are placed on the bracket 11, the inside of the laid hoop muscle 5 is provided. The vertical streaks 4 dropped from above are placed on the spacer block 6 laid on the bottom ground 9, and the hoops 5 laid horizontally and the vertical streaks 4 suspended are tied and fixed with a wire. A cylindrical reinforcing bar rod is constructed in the support 1 of the above. [Selection] Figure 1

Description

本考案は、送電鉄塔の杭基礎工事において、立坑の掘進に使用するライナ−プレ−トを組立てて坑内に構設した円形支保工よって深礎基礎の杭体を構造する場合の駆体コンクリ−ト打設前に行う躯体を構成する鉄筋（主鉄筋と帯鉄筋）の配筋、組立、定着などの建込み作業を安全かつ能率的に実施するため支保工内に構設する治具に関する。 The present invention is a concrete structure for pile foundation of deep foundation by circular support constructed by assembling liner plate used for excavation of shaft and constructing in the pit in pile foundation construction of transmission tower The present invention relates to a jig to be installed in a support work in order to safely and efficiently perform erection work such as bar arrangement, assembly, and fixing of reinforcing bars (main reinforcing bars and belt reinforcing bars) that constitute a frame before placing.

従来、行われている躯体部の配筋、組立作業は、図４の（ａ）（ｂ）に示すように、主鉄筋（以下、縦筋ともいう）を立坑内に構設したライナ−プレトの横フランジの連結用ボルト孔を使って縦筋の支持金具を上下に２ヵ所取付け、この金具と削孔底に敷設したコンクリ−トブロックに載せて建ち上げた縦筋とを繋止し、数本の縦筋を支保工の内側面に沿って垂設した後、半輪状の帯鉄筋（以下、フ−プ筋ともいう）２本を継合し、下部より順次、所定の間隔をおいて数本のフ−プ筋を縦筋の裏側に沿って巻回し、水平に繞設した後、縦筋とフ−プ筋の交点を結束線によって繋縛、固定し、円筒状の鉄筋籠を構成している。 As shown in FIGS. 4 (a) and 4 (b), the conventional bar arrangement and assembling work are performed by a liner plate with main reinforcing bars (hereinafter also referred to as vertical bars) installed in a vertical shaft. Attach two vertical support brackets to the top and bottom using the connecting bolt holes on the horizontal flange, and connect this bracket to the vertical bars built on the concrete block laid on the bottom of the drill hole. After suspending the vertical bars of the book along the inner surface of the support, two semi-annular band bars (hereinafter also referred to as “hoop bars”) are joined, and sequentially from the lower part at a predetermined interval. After winding several hoops along the back side of the vertical bars and laying them horizontally, the intersection of the vertical bars and the hoops is tied and fixed with a tie wire, and a cylindrical reinforcing bar is attached. It is composed.

また、図５に示す公開技術においては、立坑を構成するライナ−プレ−トの横フランジ部に躯体部を構成する縦筋とフ−プ筋を配設、支持するためにガイドバ−とスライドレバ−と支持レバ−より構成される「立坑用フ−プ筋段取金具」を立坑の坑底部より上部のライナ−プレ−トの横フランジに装着し、その支持レバ−にフ−プ筋を輪状に載設した後、上部より降ろした縦筋を支保工の内側に沿って繞設されたフ−プ筋の外側に建ち上げて垂設し、その縦筋とフ−プ筋とを繋縛、定着して坑内に円筒状の鉄筋籠を構成している。
しかし、これらの手法においては、以下に述べるような問題があった。Further, in the disclosed technique shown in FIG. 5, a guide bar and a slide lever are provided in order to arrange and support the vertical bars and the flop bars constituting the frame part on the horizontal flange part of the liner plate constituting the shaft. -A support shaft for the shaft is installed on the horizontal flange of the liner plate above the bottom of the shaft, and the flap is attached to the support lever. After mounting in a ring shape, the vertical bars lowered from the upper part are erected on the outside of the hoods that are installed along the inner side of the support work, and are suspended and connected to the vertical bars. It is bound and settled to form a cylindrical reinforcing bar in the mine.
However, these methods have the following problems.

すなわち、図４の（ａ）（ｂ）に示す手法においては、最初に円形支保工の内周面に沿って複数の縦筋を垂設した後、半輪状のフ−プ筋２本を継合し、そのフ−プ筋を縦筋の裏側に巻回し、等間隔で水平状態に繞設した後、縦筋に繋縛、定着しなければならないので駆体配筋に手間が掛るので極めて能率が悪く、作業性、実用性に欠けていた。 That is, in the method shown in FIGS. 4 (a) and 4 (b), first, a plurality of vertical bars are vertically suspended along the inner peripheral surface of the circular support, and then two semi-annular hood bars are joined. After that, it is necessary to tie the hoops to the back of the vertical bars and lay them horizontally at equal intervals, then tie them to the vertical bars and fix them. The efficiency was poor, and workability and practicality were lacking.

また、図５に示す手法においては、従来工法に比べて躯体部構成のフ−プ筋を円形支保工の内側に水平配設しで支持、繞設した後、縦筋を配設してフ−プ筋と縦筋とを繋縛する手順なので能率的であり、優れているが、ガイドバ−に回動自在な支持レバ−と摺動自在なスライドレバ−が具備された着脱自在な「立坑用フ−プ筋段取金具」を支保工の礎底部より上段のライナ−プレ−トの横フランジ部に取付けて垂設し、下部より順次、躯体部の配筋、組立作業を上部に向かって行っているが、支持レバ−にフ−プ筋を載置した後、上から降ろして垂設した縦筋とを繋縛してフ−プ筋を水平状態に定着した後でなければ支持レバ−を折畳むことができない構造のため段取金具を上部に移し替えることができないことと下部で配筋、結束する仕事と段取金具を上部に移行する仕事との混在作業となるので多くの作業員が必要となり物品の落下等が予想されることとフランジ部に装着する段取金具の取付機構が複雑（多岐、多様）で、取扱い操作が難しいことのほか装着した段取金具のすべてを最終的に撤去することなど坑内作業での安全性、能率性に問題があった。 Further, in the method shown in FIG. 5, compared to the conventional method, the hood bar having the skeleton structure is horizontally arranged inside the circular support and supported and laid, and then the vertical bar is arranged and laid. -It is efficient because it is a procedure for tying the vertical and vertical bars, but it is excellent, but it is a detachable “vertical shaft” in which the guide bar is provided with a rotatable support lever and a slidable slide lever. `` Foot bar setup bracket '' is attached to the horizontal flange of the liner plate above the foundation bottom of the support work, and is suspended from the bottom. However, after the hoop is placed on the support lever, it is supported only after the hoop is fixed in a horizontal state by tying it down from the top and tying down the vertical bars. Since the lever cannot be folded, the setup bracket cannot be transferred to the upper part, and the work of arranging and binding the bars at the lower part Since it is a mixed work with the work of moving the setup bracket to the upper part, many workers are required, and it is expected that items will fall, and the installation mechanism of the setup bracket to be mounted on the flange is complicated (various and diverse) However, in addition to being difficult to handle, there were problems with safety and efficiency in underground work, such as the final removal of all installed fittings.

実開平６−５７９８９号公報Japanese Utility Model Publication No. 6-57989 特開２０００−２８２７７７号公報JP 2000-282777 A

この考案は、従来技術における問題点に鑑み、立坑内での駆体部配筋、組立作業を簡便な金具類の取付け操作によって安全、容易かつ能率的に行うことができる治具（本案は、支保工に添装した金具によって配筋材を組立てる用具のこと）を創作することとした。 In view of the problems in the prior art, this device is a jig that can safely, easily, and efficiently perform the arrangement of the driving body part in the shaft and the assembling work by a simple fitting operation. It was decided to create a tool for assembling reinforcing bars using metal fittings attached to the support.

この課題を解決するに当たっては、どのような技術的見地より治具を構成するか、その手段（手順、手法）について鋭意、研究、試作のうえ工事現場において実地検証の結果、知見されたこととしては、
（１）．フ−プ筋を載設、保持する金具のガイドバ−にブラケット（腕金）を具備する。
（２）．ガイドバ−を２個の支持金具を使って上下の支保工のフランジ面に取着する。
（３）．ガイドバ−を礎底部より順次、上方に向かって構設する。
（４）．下段より順次、フ−プ筋をブラケット上に載設し、支保工の円側面に繞設する。
（５）．上から降ろした縦筋をブロックに載設して建ち上げフ−プ筋の内側に垂設する。
このほか、治具の構造を簡便（製作、取付、取扱い容易で軽量）にすることであった。In solving this problem, from what technical point of view the jigs should be constructed, the means (procedures, methods), the means (procedures, methods), and the fact that, as a result of on-site verification after construction, on the construction site Is
(1). A bracket (arm metal) is provided on the guide bar of the metal fitting for mounting and holding the hoop.
(2). Attach the guide bar to the flange surface of the upper and lower support using two support brackets.
(3). The guide bar is constructed upward from the bottom of the foundation.
(4). In order from the bottom, place the hoops on the bracket and place them on the circular side of the support.
(5). The vertical streaks dropped from above are placed on the block and suspended inside the built-up hood.
In addition, the structure of the jig was made simple (manufacturing, mounting, easy to handle and lightweight).

そのため、（ａ）．複数のフ−プ筋を載設、保持するガイドバ−と、そのガイドバ−をライナ−プレ−トの横フランジに取着するスペ−スホルダ−に等辺山形鋼を使用する。（ｂ）．各フ−プ筋を載置するブラケットに鋼棒を使用し、これをガイドバ−に溶着する。（ｃ）．所定の間隔で配設された縦筋とフ−プ筋との交点を針金（焼鈍鉄線）で緊結することとした。
このことによって治具が軽量化されるとともに金具の取付作業が容易になった。Therefore, (a). An equilateral angle steel is used for a guide bar for mounting and holding a plurality of flop bars and a space holder for attaching the guide bar to the lateral flange of the liner plate. (B). A steel bar is used for the bracket on which each hood is placed, and this is welded to the guide bar. (C). The intersections between the vertical bars and the hoop bars arranged at a predetermined interval were fastened with a wire (annealed iron wire).
This reduced the weight of the jig and facilitated the mounting work of the metal fittings.

上述のように構成された本考案による躯体配筋組立用の治具を使用するに当たっては、躯体の配筋、組立、繋着作業を順次、下部から上方に向かって行うこと。フ−プ筋を円形支保工の内側面に沿って水平に繞設した後、その内側に縦筋を下部の坑底部より建ち上げて垂設するためフ−プ筋を縦筋の外側に巻回する必要がないこと。作業手順と手法が簡単で作業員が上下に移動して同時作業をする必要がないことのほか軽量で簡便な治具を使用することによって坑内での作業を安全かつ容易に行うことができることなど極めて能率的であり、工程の短縮、省力化によるコスト低減が図られるなど多くの効果を奏する。 When using the jig for assembling the case arrangement according to the present invention configured as described above, the case arrangement, assembly, and connection work of the case must be performed sequentially from the bottom to the top. After the hoop is installed horizontally along the inner surface of the circular support, the hoop is wound outside the vertical bar to hang the vertical bar from the bottom of the bottom pit. There is no need to turn. The work procedure and method are simple, and it is not necessary for workers to move up and down at the same time. In addition, the work in the mine can be done safely and easily by using a lightweight and simple jig. It is extremely efficient and has many effects such as shortening the process and reducing costs through labor saving.

本考案の配筋組立用治具の立坑内での使用状態を示す斜視図The perspective view which shows the use condition in the shaft of the bar assembly jig of this invention ライナ−プレ−トの内側に装設する配筋組立用治具の構成図（ａ）同組立用治具の側面図（ｂ）同組立用治具の平面図（ｃ）スペ−スホルダ−（ライナ−プレ−ト取着用金具）の形状図(A) Side view of the assembling jig (b) Plan view of the assembling jig (c) Space holder ( Liner plate mounting bracket) 立坑内に組立用治具を使って躯体配筋する状態を示す断面図（１）円形支保工の内側に配設筋を支持装着する金具を取着したとき（２）支持装着金具のブラケットにフ−プ筋を水平に繞設したとき（３）フ−プ筋の内側に垂設した縦筋とフ−プ筋とを繋着したときCross-sectional view showing the state of the bar arrangement using the assembly jig in the shaft (1) When the metal fitting to support and install the arrangement bar is attached inside the circular support (2) To the bracket of the support metal fitting (3) When the vertical and vertical stripes that hang down the inside of the hoop are connected. 従来工法における円形支保工内の配筋組立状態を示す斜視図（ａ）ライナ−プレ−トと縦筋を支持金具により垂設したとき（ｂ）垂設した数本の縦筋の外側にフ−プ筋を数段繞設したときThe perspective view which shows the reinforcement arrangement state in the circular support method in the conventional method (a) When liner plate and vertical bar are suspended by support metal fittings (b) The outside of several vertical bars -When several stages of ropes are installed 公開技術の立坑用フ−プ筋段取金具による施工を示す斜視図Perspective view showing construction with open-loop hood reinforcement set-up bracket of public technology

本考案による治具は、図１〜図３に示すように鋼棒のブラケットを具設してなるガイドバ−を円形支保工の内側に垂設するため２個のスペ−スホルダ−を所定の間隔をおいて配設し、これをライナ−プレ−トの横フランジの孔にボルト締着し、ガイドバ−を支保工に固定する。また、ガイドバ−に取着のブラケット上に輪状のフ−プ筋を載設し、針金で緊結する。さらに、坑底地盤に敷設したスペ−サ−ブロックに載せた縦筋を建ち上げて垂設する。そして、繞設した数段のフ−プ筋と垂設した数本の縦筋との交点を針金で緊結し、縦筋とフ−プ筋よりなる円筒状の鉄筋籠を支保工の内側面に沿って構成する。 As shown in FIGS. 1 to 3, the jig according to the present invention has two space holders arranged at predetermined intervals in order to hang a guide bar provided with a steel bar bracket inside a circular support. The bolt is fastened to the hole of the lateral flange of the liner plate, and the guide bar is fixed to the support work. In addition, a ring-shaped reinforced bar is mounted on the mounting bracket on the guide bar, and is fastened with a wire. Furthermore, the vertical bars placed on the spacer block laid on the bottom of the pit are built and suspended. Then, the intersections of the several reinforced bars and several vertical bars are fastened with a wire, and the cylindrical reinforcing bar made up of the vertical bars and the hop bars is connected to the inner surface of the support. Configure along.

以下、添付図面に従って実施例を説明する。図１は、躯体配筋組立用治具の立坑８内での使用状況を示す斜視図で、深礎基礎を構築するため立坑８の削孔面に構設された波型プレ−トよりなる円弧状のライナ−プレ−ト１を数段継合して構成した円形の支保工１の内側面に沿って１ロッドの長さが５〜７ｍ、幅４．５ｃｍ、厚さ４ｍｍの等辺山形鋼よりなるガイドバ−１０にフ−プ筋５を載設する鋼棒のブラケット１１が数本具設（溶着）されており、該ガイドバ−１０を上下のライナ−プレ−ト１の横フランジ２に等辺山形鋼よりなる２個のスペ−スホルダ−１２を使って支保工１と鉄筋との“かぶり”ｌ（１０ｃｍ）を保持した状態で鉛直に取付け（螺着）、坑底部９より順次、フ−プ筋５をブラケット１０に載設し、針金で緊結した後、坑底地盤９に敷設したスペ−サ−ブロック６に載設した縦筋４を所定の間隔Ｌ（２０〜４０ｃｍ）を保持する状態で図４（ｂ）に示すように数本の縦筋４を立坑８内に垂設し、支保工の内側面に沿って繞設されたフ−プ筋５との交点を針金で緊結する。 Embodiments will be described below with reference to the accompanying drawings. FIG. 1 is a perspective view showing a use situation of the frame arrangement assembly jig in the shaft 8, and is composed of a corrugated plate constructed on a drilling surface of the shaft 8 in order to construct a deep foundation. An equilateral mountain shape having a length of 5 to 7 m, a width of 4.5 cm, and a thickness of 4 mm along the inner surface of a circular support 1 constructed by joining several stages of arc-shaped liner plates 1. Several steel bar brackets 11 for mounting the FO bar 5 on a steel guide bar 10 are provided (welded), and the guide bar 10 is connected to the horizontal flange 2 of the upper and lower liner plates 1. Are installed vertically (screwed) while holding the “cover” 1 (10 cm) between the support 1 and the reinforcing bar using two space holders 12 made of equilateral angle steel, and sequentially from the bottom 9, Spacer block laid on bottom ground 9 after mounting hood 5 on bracket 10 and tightening with wire As shown in FIG. 4 (b), the vertical bars 4 placed on the vertical shaft 4 are suspended in the vertical shaft 8 while maintaining a predetermined interval L (20 to 40 cm). The intersection point with the FOUP muscle 5 provided along the side surface is fastened with a wire.

図２は、ライナ−プレ−ト１の内側に装設する配筋組立用治具の構成を示す図面で、同図（ａ）は、側面図、同図（ｂ）は、平面図、同図（ｃ）は、スペ−スホルダ−１２の形状図で、スペ−スホルダ−１２を所定の間隔Ｈ（１００ｃｍ）をおいて上下のライナ−プレ−ト１の横フランジ２の連結用ボルト孔１３に螺着し、スペ−スホルダ−１２にブラケット１１が所定の間隔ｄ（３０〜４０ｃｍ）をおいて数段具設されたガイドバ−１０を螺着し、ブラケット１１にフ−プ筋５を載設して定着した後、建ち上げた縦筋４と繞設されたフ−プ筋５との交点を結束線（焼鈍鉄線）で緊結する。 FIG. 2 is a drawing showing the configuration of the bar arrangement assembly jig installed inside the liner plate 1, wherein FIG. 2 (a) is a side view, FIG. 2 (b) is a plan view, FIG. FIG. 6C is a shape diagram of the space holder 12, and the bolt holes 13 for connecting the horizontal flanges 2 of the upper and lower liner plates 1 with a predetermined distance H (100 cm) between the space holder 12 and FIG. And a guide bar 10 in which several steps of the bracket 11 are provided on the space holder 12 with a predetermined distance d (30 to 40 cm), and the FO bar 5 is mounted on the bracket 11. After installation and fixing, the intersection of the erected vertical bar 4 and the erected hook bar 5 is fastened with a binding wire (annealed iron wire).

図３は、立坑８内に配筋組立用治具を使って躯体部の配筋状態を示す断面図で、同図の（１）は、円形支保工１の内側にブラケット１１が付いたガイドバ−１０をライナ−プレ−ト１の横フランジ２に取着したときの配設状況を示すもので、同図（２）は、ブラケット１１にフ−プ筋５を載設して繞設したときの配設状況を示すもので、同図（３）は、フ−プ筋５の内側に縦筋４をそれぞれ所定の間隔Ｌをおいて垂設したときの配設状況を示すもので、鉛直に配設した数本の縦筋４と水平に配設した数本のフ−プ５とが相互緊結されて円形支保工１の内周面に沿って円筒状の鉄筋籠が構成される。 FIG. 3 is a cross-sectional view showing a bar arrangement state of a frame portion using a bar arrangement assembly jig in the shaft 8, and (1) in FIG. 3 is a guide bar with a bracket 11 attached to the inside of the circular support 1. -10 shows the arrangement when the liner plate 1 is attached to the lateral flange 2 of the liner plate 1. FIG. (3) shows the arrangement situation when the vertical stripes 4 are suspended from the inside of the hoop 5 with a predetermined interval L, respectively. Several vertical bars 4 arranged vertically and several hoods 5 arranged horizontally are connected to each other to form a cylindrical reinforcing bar rod along the inner peripheral surface of the circular support 1. .

１ライナ−プレ−ト（支保工）
２横フランジ（水平方向）
３縦フランジ（縦方向）
４主鉄筋（縦筋）
５帯鉄筋（フ−プ筋）
６スペ−サ−ブロック（コンクリ−ト）
７支持金具（従来手法、縦筋用）
８立坑
９坑底地盤（礎底部）
１０ガイドバ−（等辺山形鋼）
１１ブラケット（鋼棒）
１２スペ−スホルダ−（等辺山形鋼）
１３連結ボルト孔（ライナ−プレ−ト継合用）
１４連結ボルト孔（対ライナ−プレ−ト）
１５連結ボルト孔（対ガイドバ−）
Ｈ取付間隔（スペ−スホルダ−相互、縦幅）
Ｌ取付間隔（主鉄筋相互、横幅）
ｄ取付間隔（ブラケッ相互、縦幅）
ｌかぶり（支保工〜鉄筋間、スペ−ス）1 Liner plate (support work)
2 Horizontal flange (horizontal direction)
3 Vertical flange (longitudinal direction)
4 Main reinforcing bars (longitudinal)
5 Reinforcing bars (Hoops)
6 Spacer block (concrete)
7 Support bracket (conventional method, for vertical bars)
8 Vertical shaft 9 Downhole ground (foundation bottom)
10 Guide bar (equal edge angle steel)
11 Bracket (steel bar)
12 Space holder (Equilateral mountain steel)
13 Connection bolt hole (for liner plate connection)
14 Connecting bolt hole (for liner plate)
15 Connecting bolt hole (to guide bar)
H Mounting interval (space holder-mutual, vertical width)
L Installation interval (Mutual rebar, lateral width)
d Mounting interval (between brackets, vertical width)
l Cover (space between support and rebar, space)

Claims

In the frame rebar assembling work to be performed before concrete placement when building the frame part of the deep foundation by the circular support constructed by assembling the liner plate in the shaft, The guide bar (setup fitting) with the bracket (steel bar) on which it is mounted is placed and suspended inside the circular support work. Fasten and fix the holder (support bracket) to the support using the connecting bolt hole drilled in the lateral flange of the liner plate (b) Brackets of several guide bars Place the ring-shaped FO bar in several stages, starting from the bottom, and fasten and fix the intersection of the bracket and the FO bar with a wire. (C) The vertical bar inside the erected FO bar Vertically lowered from the top to a concrete spacer block laid on the bottom of the pit. After building up, the crossing point between the vertical bar and the hoop bar is bound with a wire (annealed iron wire), fixed, and the cylindrical bar bar constructed by assembling the frame bar in the mine is constructed. A jig for assembling the reinforcing bar arrangement.