JPS609285Y2 - Intermediate fixing tool for PC steel materials - Google Patents
Intermediate fixing tool for PC steel materialsInfo
- Publication number
- JPS609285Y2 JPS609285Y2 JP16291980U JP16291980U JPS609285Y2 JP S609285 Y2 JPS609285 Y2 JP S609285Y2 JP 16291980 U JP16291980 U JP 16291980U JP 16291980 U JP16291980 U JP 16291980U JP S609285 Y2 JPS609285 Y2 JP S609285Y2
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- steel material
- fixing tool
- wedge
- fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Reinforcement Elements For Buildings (AREA)
Description
【考案の詳細な説明】
本考案はｐｃ鋼線、ｐｃ鋼より線等のｐｃ鋼材をＰＣコ
ンクリート構造物に定着させる場合等に使用されるＰＣ
鋼材の中間定着具に関するものである。[Detailed description of the invention] This invention is a PC used when fixing PC steel materials such as PC steel wires and PC steel strands to PC concrete structures.
This invention relates to intermediate fixing devices for steel materials.
通常ｐｃ構造物では、その内部を貫通するｐｃ鋼材に緊
張力を与えて後、ｐｃ鋼材を円筒状のスリーブに通して
コンクリート構造物のアンカープレートに当接し、スリ
ーブとＰＣ鋼材との間に二分割された楔を打ち込むこと
により、ＰＣ鋼材の端部を挾持して定着していた。Normally, in a PC structure, after applying tension to the PC steel material penetrating the inside, the PC steel material is passed through a cylindrical sleeve and abuts against the anchor plate of the concrete structure, and there is a gap between the sleeve and the PC steel material. By driving the divided wedges, the ends of the PC steel material were clamped and fixed.
しかし、このような定着具によると、スリーブは鋼材の
端からしか装入できないため、長尺のＰＣ鋼材の中間部
に使用することは実際上非常に困難であった。However, with such a fixing device, the sleeve can only be inserted from the end of the steel material, so it is actually very difficult to use it in the middle of a long PC steel material.
また、スリーブに長さ方向全長に亘ってスリットを設け
、このスリットを介してスリーブをＰＣ鋼材の中間部に
外周側から嵌合させるようにした定着具が提案されたが
、これによると楔打ち込み時の半径方向の力に対するス
リーブの強度が著しく低下するため、スリーブが拡開変
形し、これによる鋼材定着力の低下が起こる。In addition, a fixing tool has been proposed in which a slit is provided in the sleeve along the entire length, and the sleeve is fitted from the outer circumferential side to the intermediate part of the prestressing steel material through this slit. Since the strength of the sleeve against the force in the radial direction is significantly reduced, the sleeve is expanded and deformed, resulting in a reduction in the fixing force of the steel material.
その上、楔打ち込み前に鋼材がスリットを介してスリー
ブ外に離脱する虞れがあるという欠点があった。Furthermore, there is a drawback that there is a risk that the steel material may separate from the sleeve through the slit before the wedge is driven.
このため、第５図に示すように、内部に筒状孔６１を有
し、かつ下面に鋼材４が通過するに充分なスリット６２
を有するスリーブ６と、筒状孔６１に嵌合する軸方向に
二分割された分割型メスコーン７と、このメスコーン７
内に打ち込まれることにより内面８１で鋼材４を挾持し
て定着する二分割型楔状オスコーン８とからなる定着具
が考案された。For this reason, as shown in FIG.
a split female cone 7 that fits into the cylindrical hole 61 and is divided into two parts in the axial direction;
A fixing tool was devised that includes a two-part wedge-shaped male cone 8 that is driven into the fixing device to clamp and fix the steel material 4 with its inner surface 81.
この定着具では、スリーブ６を厚肉に形成し、かつ、メ
スコーン７とオスコーン８とを重ねて嵌入することによ
り、スリーブ６が拡開変形するのを防止している。In this fixing device, the sleeve 6 is formed thick, and the female cone 7 and the male cone 8 are fitted together to prevent the sleeve 6 from expanding and deforming.
また、スリット６２に補強外枠９をかぶせてボルト９１
で固定することにより、スリット６２を介して鋼材４が
スリーブ６外に離脱するのを防止している。In addition, the reinforcing outer frame 9 is covered with the slit 62 and the bolt 91 is
By fixing the steel material 4 to the outside of the sleeve 6 through the slit 62, the steel material 4 is prevented from coming out of the sleeve 6.
このような構造でハ、スＩＪ−７’６内にメスコーン７
とオスコーン８の二種類の嵌入材を設け、またスリット
６２を塞ぐ補強外枠９を設けているため、部品点数が増
えると共に寸法が大型化し重量も重くなって取扱いが面
倒であるという欠点があった。With this structure, there is a female cone 7 inside the IJ-7'6.
Since two types of fitting materials, ie, male cone 8, and reinforcing outer frame 9 are provided to close the slit 62, the number of parts increases, the dimensions become larger, the weight becomes heavier, and handling becomes troublesome. Ta.
本考案は、以上の点に鑑み、ＰＣｉｌｉｌ材の外周側か
ら装着でき、しかも部品点数も少なく、小型軽量化でき
ると共に取扱いも容易で安定して挟持できるＰＣ鋼材の
中間定着具を提供するものである。In view of the above points, the present invention provides an intermediate fixing tool for PC steel material that can be attached from the outer circumferential side of the PCilil material, has a small number of parts, is small and lightweight, is easy to handle, and can be held stably. be.
以下、本考案の実施例を図面によって説明する。Embodiments of the present invention will be described below with reference to the drawings.
第１図ないし第３図において、１はＰＣ＠材４を貫通さ
せて挾持する円錐状の楔で、その内面１１に多数の凹凸
が形成され、かつ軸と直角方向に二分割されている。In FIGS. 1 to 3, reference numeral 1 denotes a conical wedge that penetrates and holds the PC@ material 4, and has a large number of concavities and convexities formed on its inner surface 11, and is divided into two in a direction perpendicular to the axis.
２は上記楔１の外周面が面接触して嵌入される貫通穴２
１を有する長方形のスリーブで、軸と直角方向に二分割
され、かつ貫通穴２１の両側方にはこのスリーブ２を結
合する固着ボルト３の挿通穴２２が形成されている。Reference numeral 2 denotes a through hole 2 into which the outer peripheral surface of the wedge 1 is fitted in surface contact.
The sleeve 2 is a rectangular sleeve having a diameter of 1, and is divided into two in a direction perpendicular to the axis, and an insertion hole 22 for a fixing bolt 3 that connects the sleeve 2 is formed on both sides of the through hole 21.
以上のように構成された定着具をｐｃ鋼材４の中間定着
具として使用する場合には、まずコンクリート構造物５
のアンカープレート５１を貫通したｐｃ鋼材４にスリー
ブ２を外周側から軸方向に被嵌させた後、ボルト挿通穴
２２に高強度ボルト３を差し行んで高強度ナツト３１を
締め付けて、二分割されたスリーブ２を分割面２３が互
いに面接触した状態で結合させる。When using the fixing device configured as described above as an intermediate fixing device for PC steel material 4, first fix the concrete structure 5.
After fitting the sleeve 2 axially from the outer circumferential side onto the PC steel material 4 that has passed through the anchor plate 51 of The sleeves 2 are combined with the divided surfaces 23 in surface contact with each other.
しかる後に貫通穴２１に楔１を打ち込むことにより、ｐ
ｃ鋼材４を挾持してコンクリート構造物５に定着させる
。After that, by driving the wedge 1 into the through hole 21, p
c. Clamp the steel material 4 and fix it to the concrete structure 5.
このように本考案の定着具は、ｐｃ鋼材４の中間部にそ
の外周側から簡単に装着することができる。In this manner, the fixing device of the present invention can be easily attached to the intermediate portion of the PC steel material 4 from the outer circumferential side.
また二分割されたスリーブ２を固着ボルト３によって結
合し、貫通穴２１が完全な円錐形状になりスリットのな
い構造となっているため、楔１を打ち込む場合に楔効果
により生じる大きな力を貫通穴２１の円錐面全面で均等
に受けることができる。In addition, the two-part sleeve 2 is joined by a fixing bolt 3, and the through hole 21 has a completely conical shape with no slits. It can be received evenly on the entire conical surface of 21.
このため、スリーブの拡開変形およびこれによるｐｃ鋼
材４のゆるみを防止できる。Therefore, expansion deformation of the sleeve and loosening of the PC steel material 4 due to this can be prevented.
さらに、部品の種類としては楔１とスリーブ２の二種類
でよく、定着具全体としての寸法および重量を小さくお
さえることができると共に、取扱いが簡単で製作費を安
くすることができるという利点がある。Furthermore, there are only two types of parts, the wedge 1 and the sleeve 2, which has the advantage of being able to keep the size and weight of the entire fixing device small, as well as being easy to handle and reducing manufacturing costs. .
なお、二分割されたスリーブ２を結合するために上記実
施例では二個の固着ボルト３によって締付けているが、
二個以上のボルトによって締付けてもよく、また、ボル
ト以外の結合方法によってもよい。In addition, in the above embodiment, two fixing bolts 3 are used to connect the sleeve 2 which is divided into two parts.
It may be tightened with two or more bolts, or a connection method other than bolts may be used.
さらに、第４図に示すように、スリーブ２′の中央部２
４を円弧状に突出させる等、本考案の要旨を逸脱しない
範囲で任意に設計変更して差し支えない。Furthermore, as shown in FIG.
The design may be changed arbitrarily without departing from the gist of the present invention, such as by making 4 protrude in an arc shape.
以上、説明したように本考案は、楔が打ち込まれるスリ
ーブを二分割し、固着具によって該スリーブを結合して
おり、これによって定着具をｐｃ鋼材の端から嵌め込む
必要はなく、中間部に直接かつ簡単に装着することがで
きる。As explained above, in the present invention, the sleeve into which the wedge is driven is divided into two parts, and the sleeves are joined by a fixing tool.Thereby, there is no need to fit the fixing tool from the end of the PC steel material, and the sleeve is inserted into the middle part. Can be installed directly and easily.
また、楔を打ち込む際にもスリーブが拡開変形するのを
防止できるため、定着状態を安定して保持することがで
きる。Further, since the sleeve can be prevented from expanding and deforming when driving a wedge, the fixed state can be stably maintained.
さらに、部品点数が少なく、構造が簡単で小型かつ軽量
にできると共に、取扱いも容易となる等、実用性に富む
ものである。Furthermore, it has a small number of parts, has a simple structure, can be made small and lightweight, and is easy to handle, making it highly practical.
第１図は本考案の実施例を示す分解斜視図、第２図はそ
の使用状態を示す縦断側面図、第３図は同正面図、第４
図は別の実施例を示す正面図、第５図は従来例を示す縦
断側面図、第６図は同正面図である。
１・・・・・・楔、２・・・・・・スリーブ、３・・・
・・・固着具（固着ボルト）、４・・・・・・ｐｃ鋼材
、２１・・・・・・貫通穴、２３・・・・・・分割面。Fig. 1 is an exploded perspective view showing an embodiment of the present invention, Fig. 2 is a vertical side view showing its usage state, Fig. 3 is a front view of the same, and Fig. 4 is an exploded perspective view showing an embodiment of the present invention.
The figure is a front view showing another embodiment, FIG. 5 is a longitudinal sectional side view showing a conventional example, and FIG. 6 is a front view of the same. 1...Wedge, 2...Sleeve, 3...
...Fixing tool (fixing bolt), 4...PC steel material, 21...Through hole, 23...Divided surface.
Claims (1)
割型楔の外周面が面接触して嵌入される貫通穴を有する
スリーブとからなり、このスリーブは軸と直角方向に二
分割されると共に分割面が互いに面接触した状態で固着
具により結合されるように構成したことを特徴とするＰ
Ｃ鋼材の中間定着具。It consists of a conical split wedge that penetrates and clamps the prestressing steel material, and a sleeve that has a through hole into which the outer peripheral surface of the split wedge is fitted in surface contact.This sleeve is divided into two in a direction perpendicular to the axis. P characterized in that it is configured such that the split surfaces are in surface contact with each other and are joined by a fixing tool.
Intermediate fixing tool for C steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16291980U JPS609285Y2 (en) | 1980-11-13 | 1980-11-13 | Intermediate fixing tool for PC steel materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16291980U JPS609285Y2 (en) | 1980-11-13 | 1980-11-13 | Intermediate fixing tool for PC steel materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5784220U JPS5784220U (en) | 1982-05-25 |
| JPS609285Y2 true JPS609285Y2 (en) | 1985-04-03 |
Family
ID=29521736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16291980U Expired JPS609285Y2 (en) | 1980-11-13 | 1980-11-13 | Intermediate fixing tool for PC steel materials |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS609285Y2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58185522A (en) * | 1983-02-28 | 1983-10-29 | Toyama Chem Co Ltd | Novel 5-fluoro-2'-deoxy-beta-uridine derivative |
| JPS61272112A (en) * | 1985-05-27 | 1986-12-02 | Seiko Epson Corp | Casting mold of plastic lens |
| JP3512964B2 (en) * | 1996-12-16 | 2004-03-31 | 株式会社熊谷組 | Fixing tool for wire material |
| JP4712612B2 (en) * | 2006-05-24 | 2011-06-29 | 川田建設株式会社 | PC tension material intermediate fixing device and intermediate fixing method |
| JP2011184894A (en) * | 2010-03-05 | 2011-09-22 | Ps Mitsubishi Construction Co Ltd | Anchorage device for prestressing tendon, and method for repairing existing prestressed concrete structure |
| JP5597443B2 (en) * | 2010-05-19 | 2014-10-01 | 株式会社大林組 | Construction method of PC structure |
| JP6846227B2 (en) * | 2017-02-09 | 2021-03-24 | センクシア株式会社 | Reinforcing member of antenna support, reinforcement structure of antenna support and its reinforcement method |
| JP6986897B2 (en) * | 2017-08-22 | 2021-12-22 | 三井住友建設株式会社 | Intermediate fixing tool for tension material |
-
1980
- 1980-11-13 JP JP16291980U patent/JPS609285Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5784220U (en) | 1982-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63180712A (en) | Connector | |
| JPS609285Y2 (en) | Intermediate fixing tool for PC steel materials | |
| US4501520A (en) | Expansion dowel assembly | |
| US5667328A (en) | Attachment member | |
| JPH08260455A (en) | Joint structure of concrete pile | |
| JP4270406B1 (en) | Through-hole forming instrument, outer skin holding member, and method for forming through-hole in concrete structure | |
| JPH0882347A (en) | Fixing tool for cableway wire | |
| JP2787286B2 (en) | Steel tensile member end fixing device and method of assembling the same | |
| JP2001349001A (en) | Connector of pc steel wire | |
| JP2657754B2 (en) | Structural material joining hardware | |
| GB2343702A (en) | Connector for orthogonal tubes or rods | |
| JPS6218721Y2 (en) | ||
| JPH0545630Y2 (en) | ||
| JPH0332186Y2 (en) | ||
| JPH08177231A (en) | Corner clamping metal fixture | |
| JP3699376B2 (en) | Fastening bracket | |
| JPH04108750U (en) | Fixing device for non-metallic tendons | |
| JPH023508Y2 (en) | ||
| JP2001177962A (en) | Wedge-type anchoring clamp | |
| JPH076357Y2 (en) | Formwork mounting structure | |
| JP2703087B2 (en) | Joint structure of fiber reinforced shaft | |
| JPH06220915A (en) | Joint structure between column and beam using one side coupling device with anchor member | |
| JPH0532641Y2 (en) | ||
| JPS6023544Y2 (en) | Anchor for welding | |
| JP3054904B2 (en) | Column-column joint structure |