JPH03156067A - Tension method for tension material employing adhering type anchoring body - Google Patents
Tension method for tension material employing adhering type anchoring bodyInfo
- Publication number
- JPH03156067A JPH03156067A JP29443989A JP29443989A JPH03156067A JP H03156067 A JPH03156067 A JP H03156067A JP 29443989 A JP29443989 A JP 29443989A JP 29443989 A JP29443989 A JP 29443989A JP H03156067 A JPH03156067 A JP H03156067A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- tension
- fixing
- anchoring
- tensioning
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004873 anchoring Methods 0.000 title abstract description 15
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract 3
- 238000010168 coupling process Methods 0.000 abstract 3
- 238000005859 coupling reaction Methods 0.000 abstract 3
- 210000002435 tendon Anatomy 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野］
この発明は、緊張材端部を定着する定着具として、いわ
ゆる付着型定着体を使用した緊張材の緊張方法に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a tensioning method for tensioning material using a so-called adhesion type fixing body as a fixing device for fixing the ends of the tensioning material.
〔従来の技術］
最近では、プレストレストコンクリート構造物の緊張材
としてＰＣ鋼材の他にＦＲＰ等といった高分子材料から
なる高分子緊張材が使用されている。[Prior Art] Recently, in addition to PC steel, polymer tendons made of polymer materials such as FRP have been used as tendons for prestressed concrete structures.
又、この種の緊張材を緊張し、その端部を定着する方法
として、当山願人は無収縮モルタル等の付着材を利用し
た定着方法を開発し、実施もしている。Furthermore, as a method for tensioning this type of tension material and fixing its ends, Ganjin Toyama has developed and is implementing a fixing method that utilizes adhesive materials such as non-shrink mortar.
又、この種の定着具を使用した緊張材を緊張するには、
緊張材端部に定着体を付着材の付着力を利用して取り付
け、当該定着体にフックを引っ掛けこれを緊張ジヤツキ
で引っ張ると共に当該定着体と支圧板との間にできた間
隙部にシムを挿入することによって緊張するものである
（第４図参照）。Also, in order to tension tension material using this type of fixing device,
Attach a fixing body to the end of the tendon material using the adhesive force of the adhesive material, hook a hook to the fixing body, pull it with a tension jack, and insert a shim into the gap created between the fixing body and the bearing pressure plate. It is tensioned when inserted (see Figure 4).
しかし、この方法によると、緊張ジヤツキのフックを定
着体の前面に引っ掛ける為、このフックが邪魔になって
シムを挿入できない部分があり、定着体を安定した状態
に定着できないという問題がある。However, according to this method, since the hook of the tension jack is hooked on the front surface of the fixing body, there is a part where the shim cannot be inserted because the hook gets in the way, and there is a problem that the fixing body cannot be fixed in a stable state.
又、このような方法で定着体を少しでも安定した状態に
定着する為には、定着体及びシムを太き（する必要があ
り、定着部が高張るのが免れないものである。Further, in order to fix the fixing body in a stable state even slightly, it is necessary to make the fixing body and the shim thicker using this method, and it is inevitable that the fixing portion will become taller.
この発明はこのような前記従来の問題点を解消する為に
提案されたもので、高分子材料からなる緊張材の端部を
極めて安定した状態に定着することができると共に、そ
の構成を可能な限りコンパクトなものとすることができ
る付着型定着体を使用した緊張材の緊張方法を提供する
ことを目的とする。This invention was proposed in order to solve the above-mentioned conventional problems, and it is possible to fix the ends of tendons made of polymeric material in an extremely stable state, and also to make the structure possible. It is an object of the present invention to provide a tensioning method for tensioning material using an adhesive type fixing body that can be made as compact as possible.
この発明は、緊張材端部を定着する定着具として、いわ
ゆる、付着型定着体を使用した緊張材の緊張方法に関す
るもので、緊張材の先端部に固着された付着型定着体の
先端部と後端部に前記定着体より一回り大きい径の定着
板と緊張治具の連結板をそれぞれ設置すると共に当該定
着板と緊張治具の連結板との周縁部を複数本のタイ棒に
よって連結し、続いて前記緊張治具を引っ張ると共に前
記定着板と支圧板との間にできた間隙部にシムを挿入す
ることにより前記目的を達成するものである。The present invention relates to a tensioning method for tensioning material using a so-called adhesive type fixing body as a fixing tool for fixing the ends of the tendon material. A fixing plate having a diameter one size larger than that of the fixing body and a connecting plate of the tensioning jig are respectively installed at the rear end, and the peripheral edges of the fixing plate and the connecting plate of the tensioning jig are connected by a plurality of tie rods. Then, the above object is achieved by pulling the tensioning jig and inserting a shim into the gap formed between the fixing plate and the bearing pressure plate.
以下、この発明を図示する一実施例に基づいて説明する
。The present invention will be described below based on an illustrated embodiment.
図中、番号１は定着体であり、モルタル等によって緊張
材２．２の端部に完全に固着された状態で略円柱状に形
成されている。In the figure, number 1 is a fixing body, which is formed into a substantially cylindrical shape and is completely fixed to the end of the tendon 2.2 by mortar or the like.
定着体ｌの先端部（緊張材２側端部）には定着板３が取
り付けられている。A fixing plate 3 is attached to the tip of the fixing body 1 (the end on the tension material 2 side).
定着板３はＦＲＰ若しくはセラミック等から所定の剛性
を保有すべくある程度の厚みを有して定着体１より一回
り大きい円形板状に形成されている。The fixing plate 3 is made of FRP, ceramic, or the like and is formed into a circular plate shape that is slightly larger than the fixing body 1 and has a certain thickness to maintain a predetermined rigidity.
尚、定着板３は定着体１を形成する時に同時に取り付け
られるものである。Note that the fixing plate 3 is attached at the same time when the fixing body 1 is formed.
又、定着板３の周縁部には後述するタイ棒８端部の雄ね
じ部を挿入する為の貫通孔４．・・・が円周方向に必要
数、一定間隔おきに穿設されている。Further, the peripheral edge of the fixing plate 3 is provided with a through hole 4 for inserting a male threaded portion at the end of a tie rod 8, which will be described later. ... are drilled in the required number at regular intervals in the circumferential direction.
定着板３と支圧板５との間には、シム６．６が挿入され
ている。A shim 6.6 is inserted between the fixing plate 3 and the bearing plate 5.
シム６．６は緊張材２．２を引っ張ることにより定着板
３と支圧板５との間にできた間隙部に挿入されている。The shim 6.6 is inserted into the gap created between the fixing plate 3 and the bearing plate 5 by pulling the tendon 2.2.
このような構成によって緊張材２，２の端部が定着され
ている。With such a configuration, the ends of the tendons 2, 2 are fixed.
緊張材２．２の緊張・定着に際しては、緊張治具７と複
数本のタイ棒８を使用する。When tensioning and fixing the tension material 2.2, a tension jig 7 and a plurality of tie rods 8 are used.
緊張治具７は鋼鉄製であって連結板９と緊張ロンド１０
とから一体的に構成されている。The tension jig 7 is made of steel and includes a connecting plate 9 and a tension iron 10.
It is integrally composed of.
連結板９は定着体１より一回り大きく、定着板３と略同
径の円形板状に形成され、且つ高い剛性を保有すべく厚
めに形成されている。The connecting plate 9 is formed into a circular plate shape that is one size larger than the fixing body 1 and has approximately the same diameter as the fixing plate 3, and is formed thicker so as to have high rigidity.
連結板９の周縁部にはタイ捧８端部の雄ねじ部を挿入す
る為の貫通孔４．・・・が、定着板３の貫通孔４．・・
・と同数、且つ同じ間隔で円周方向に一定間隔おきに穿
設されている。At the peripheral edge of the connecting plate 9, there is a through hole 4 for inserting the male thread at the end of the tie bar 8. ... is the through hole 4 of the fixing plate 3.・・・
The holes are drilled at regular intervals in the circumferential direction in the same number and at the same intervals.
続いて、緊張材２，２の定着方法を順をおって説明する
。Next, a method for fixing the tendons 2, 2 will be explained step by step.
■ 定着体１の基端部に緊張治具７を設置すると共に定
着板３に複数本のタイ棒８，８によって連結し、固定す
る。(2) A tensioning jig 7 is installed at the base end of the fixing body 1, and it is connected and fixed to the fixing plate 3 with a plurality of tie rods 8, 8.
タイ棒８の両端はこの部分の雄ねじ部を定着板３及び連
結板９の貫通孔４，４にそれぞれ通すと共にその貫通部
分に固定ナラ）１１゜１１を螺合することにより定着板
３及び連結板９の双方に強固に連結する。Both ends of the tie rod 8 are connected to the fixing plate 3 and the connecting plate by passing the male threaded portions of these parts through the through holes 4, 4 of the fixing plate 3 and connecting plate 9, respectively, and screwing fixing bolts (11°) into the through holes. It is firmly connected to both sides of the plate 9.
■ 続いて、緊張ロッド１０を緊張ジヤツキ（図省略）
に連結し、これを緊張ジヤツキによって引っ張り、緊張
材２．２を緊張する。■ Next, tighten the tension rod 10 (illustration omitted)
The tension material 2.2 is tensioned by connecting it to the tension jack and pulling it with a tension jack.
■ 続いて、緊張材２，２を引っ張ることにより定着板
３と支圧板５との間にできた間隙部にシム６．６を挿入
する。(2) Next, the shims 6.6 are inserted into the gap created between the fixing plate 3 and the bearing plate 5 by pulling the tension members 2, 2.
■ 続いて、緊張治具７及びタイ棒８を取り外す。■Subsequently, remove the tension jig 7 and tie rod 8.
尚、定着板３はそのままにして定着体の−部とする。Note that the fixing plate 3 is left as it is and is used as the negative part of the fixing body.
又、緊張治具７及びタイ棒８は繰り返し使用するものと
する。Further, the tensioning jig 7 and the tie rod 8 are assumed to be used repeatedly.
〔発明の効果］
この発明は以上の構成から成るので、以下の効果を有す
る。[Effects of the Invention] Since the present invention has the above configuration, it has the following effects.
定着体と支圧板との間に緊張材部分を除いて全体に亘っ
て隙間なくシムを挿入することができる為、定着体が傾
いたり、がたついたりする恐れは全くなく、緊張材端部
を極めて安定した状態に定着することができる。Since the shim can be inserted between the anchoring body and the bearing plate without leaving any gaps except for the tendon part, there is no risk of the anchoring body tilting or wobbling, and the end of the tendon can be inserted without any gaps. can be fixed in an extremely stable state.
又、定着体前面の有効支圧面積を１００％利用できる為
、定着体及びシムをあえて大きめにする必要がなく定着
部を極めてコンパクトな構造とすることができる。Furthermore, since the effective bearing pressure area on the front surface of the fixing body can be used 100%, there is no need to make the fixing body and shim larger, and the fixing unit can have an extremely compact structure.
更に、定着体の先端部と後端部に定着板と緊張治具の連
結板をそれぞれ設置すると共に当該定着板と連結板の周
縁部を複数本のタイ棒で連結することにより固定し、当
該緊張治具を緊張ジヤツキで引っ張る為、定着体には定
着板より均等に力をうけることになり、したがって定着
体が割裂や部分破壊する恐れは全く、緊張作業を極めて
安全、確実且つ容易に行うことができる。Furthermore, a fixing plate and a connecting plate of a tensioning jig are respectively installed at the front end and rear end of the fixing body, and the peripheral edges of the fixing plate and the connecting plate are connected with a plurality of tie rods to fix the fixing plate. Since the tensioning jig is pulled with a tensioning jack, the anchoring body receives force evenly from the anchoring plate, so there is no risk of the anchoring body splitting or partially breaking, making tensioning work extremely safe, reliable, and easy. be able to.
第１図、第２図及び第３図は、この発明の一実施例を示
したもので、第１図は付着型定着体を使用した高分子緊
張材の緊張方法を示す定着部の縦断面図、第２図及び第
３図は第１図に於けるａ−ａ線及びｂ−ｂ線断面図、第
４図は同じく付着型定着体を使用した緊張材の従来の緊
張方法を示す縦断面図である。
１・・・定着体、２・・・緊張材、３・・・定着板、４
・・・貫通孔、５・・・支圧板、６・・・シム、７・・
・緊張治具、８・・・タイ棒、９・・・連結板、１０・
・・ロッド、１１・・・固定ナツト。
第
図
第４図
／
１′
第２図
第 ３ 図Figures 1, 2, and 3 show an embodiment of the present invention, and Figure 1 is a longitudinal section of a fixing section showing a method of tensioning a polymer tension material using an adhesive fixing body. Figures 2 and 3 are cross-sectional views taken along lines a-a and b-b in Figure 1, and Figure 4 is a longitudinal cross-sectional view showing a conventional tensioning method for tensioning material using an adhesive fixing body. It is a front view. 1...Fixing body, 2...Tension material, 3...Fixing plate, 4
...Through hole, 5...Bearing plate, 6...Shim, 7...
・Tension jig, 8... Tie rod, 9... Connecting plate, 10.
...Rod, 11...Fixing nut. Figure Figure 4/1' Figure 2 Figure 3
Claims (1)
部と後端部に前記定着体より一回り大きい径の定着板と
緊張治具の連結板を設置すると共に当該定着板と緊張治
具の連結板とをその周縁部を複数本のタイ棒によって連
結することにより固定し、続いて前記緊張治具を引っ張
ると共に前記定着板と支圧板との間にできた間隙部にシ
ムを挿入することを特徴とする付着型定着体を使用した
緊張材の緊張方法。(1) A fixing plate having a diameter one size larger than that of the fixing body and a connecting plate of the tensioning jig are installed at the tip and rear ends of the adhesive type fixing body fixed to the tip of the tension material, and the fixing plate and the tensioning jig are connected to each other. The connecting plate of the tensioning jig is fixed by connecting its periphery with a plurality of tie rods, and then the tensioning jig is pulled and a shim is inserted into the gap created between the fixing plate and the bearing pressure plate. A tensioning method for tensioning material using an adhesive type fixing body characterized by inserting a tensioning member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29443989A JPH0678687B2 (en) | 1989-11-13 | 1989-11-13 | Tensioning method for tension material using adhesive fixing body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29443989A JPH0678687B2 (en) | 1989-11-13 | 1989-11-13 | Tensioning method for tension material using adhesive fixing body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03156067A true JPH03156067A (en) | 1991-07-04 |
| JPH0678687B2 JPH0678687B2 (en) | 1994-10-05 |
Family
ID=17807789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29443989A Expired - Lifetime JPH0678687B2 (en) | 1989-11-13 | 1989-11-13 | Tensioning method for tension material using adhesive fixing body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0678687B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010138574A (en) * | 2008-12-10 | 2010-06-24 | Sumitomo Denko Steel Wire Kk | Shim receiving implement, and tendon anchoring structure using the same |
| JP2017128018A (en) * | 2016-01-20 | 2017-07-27 | 株式会社エスイー | Fixing plate for tensile material fixation, and manufacturing method thereof |
-
1989
- 1989-11-13 JP JP29443989A patent/JPH0678687B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010138574A (en) * | 2008-12-10 | 2010-06-24 | Sumitomo Denko Steel Wire Kk | Shim receiving implement, and tendon anchoring structure using the same |
| JP2017128018A (en) * | 2016-01-20 | 2017-07-27 | 株式会社エスイー | Fixing plate for tensile material fixation, and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0678687B2 (en) | 1994-10-05 |
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