JPH0678687B2 - Tensioning method for tension material using adhesive fixing body - Google Patents
Tensioning method for tension material using adhesive fixing bodyInfo
- Publication number
- JPH0678687B2 JPH0678687B2 JP29443989A JP29443989A JPH0678687B2 JP H0678687 B2 JPH0678687 B2 JP H0678687B2 JP 29443989 A JP29443989 A JP 29443989A JP 29443989 A JP29443989 A JP 29443989A JP H0678687 B2 JPH0678687 B2 JP H0678687B2
- Authority
- JP
- Japan
- Prior art keywords
- fixing
- tension
- plate
- fixing body
- 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.)
- Expired - Lifetime
Links
Landscapes
- Reinforcement Elements For Buildings (AREA)
- Piles And Underground Anchors (AREA)
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。Description: TECHNICAL FIELD The present invention relates to a tension member tensioning method using a so-called adhesion type fixing body as a fixing tool for fixing an end portion of a tension member.
〔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, polymer tension materials made of polymer materials such as FRP are used as tension materials for prestressed concrete structures in addition to PC steel.
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、当出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、実施例もしている。Further, as a method of tensioning this kind of tension material and fixing the end portion thereof, the applicant has developed a fixation method using an adhesion material such as non-shrink mortar, and also has an embodiment.
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ャッキ
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, to tension a tension member using this type of fixing tool,
Attach the fixing body to the end of the tension member using the adhesive force of the adhesive material, hook the hook on the fixing body and pull it with a tension jack, and at the same time, place a shim in the gap formed between the fixing body and the pressure plate. It's something that makes me nervous when I insert it. (See FIG. 4).
しかし、この方法によると、緊張ジャッキのフックを定
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 member, there is a portion where this hook interferes and the shim cannot be inserted, so that the fixing member 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、定着体及びシムを大きくする必要があ
り、定着部が嵩張るのが免れないものである。Further, in order to fix the fixing body to a stable state as much as possible by such a method, it is necessary to make the fixing body and the shim large, and the fixing portion is inevitably bulky.
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。The present invention has been proposed in order to solve the above-mentioned conventional problems, and it is possible to fix the end portion of the tension member made of a polymer material in an extremely stable state and to make the structure thereof possible. An object of the present invention is to provide a method of tensioning a tension member using an adhesive 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 a tensioning material using a so-called adhesion-type fixing body as a fixing tool for fixing the ends of the tensioning material, and to a tip part of the adhesion-type fixing body fixed to the tip end part of the tensioning material. A fixing plate having a diameter slightly larger than that of the fixing body and a connecting plate of a tension jig are installed at the rear end portion, and the peripheral edge of the fixing plate and the connecting plate of the tension jig are connected by a plurality of tie rods. Then, the above-mentioned object is achieved by subsequently pulling the tensioning jig and inserting a shim into a gap formed between the fixing plate and the pressure support 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。Hereinafter, the present invention will be described 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, reference numeral 1 is a fixing member, which is formed in a substantially cylindrical shape in a state of being completely fixed to the end portions of the tension members 2, 2 with mortar or the like.
定着体１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 (end on the tension member 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 or ceramics and has a certain thickness so as to have a predetermined rigidity, and is formed in a circular plate shape which is slightly larger than the fixing body 1.
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。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, through holes 4, ... For inserting a male screw portion at the end of the tie rod 8 which will be described later are formed in the peripheral portion of the fixing plate 3 in the circumferential direction at a required number of regular intervals.
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。Shims 6, 6 are inserted between the fixing plate 3 and the pressure 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 shims 6 and 6 are inserted into the gap formed between the fixing plate 3 and the pressure support plate 5 by pulling the tension members 2 and 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 structure, the ends of the tension members 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。A tension jig 7 and a plurality of tie rods 8 are used for tensioning and fixing the tension members 2, 2.
緊張治具７は鋼鉄製であって連結板９と緊張ロッド10と
から一体的に構成されている。The tensioning jig 7 is made of steel and is integrally configured from a connecting plate 9 and a tensioning rod 10.
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 slightly larger than the fixing body 1, is formed in a circular plate shape having substantially the same diameter as the fixing plate 3, and is formed thicker so as to have high rigidity.
連結板９の周縁部にはタイ棒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。In the peripheral edge of the connecting plate 9, there are through holes 4, ... For inserting male threads at the ends of the tie rods 8, the same number as the through holes 4 ,. It is drilled every other time.
続いて、緊張材2,2の定着方法を順をおって説明する。Next, the method of fixing the tension members 2 and 2 will be described 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。A tension jig 7 is installed at the base end of the fixing body 1, and the fixing plate 3 is connected and fixed to the fixing plate 3 by 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
に固定ナット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。At both ends of the tie rod 8, the male screw portion of this portion is passed through the through holes 4 and 4 of the fixing plate 3 and the connecting plate 9 respectively, and fixing nuts 11 and 11 are screwed into the through portions to fix the fixing plate 3 and the connecting plate. 9 is firmly connected to both.
続いて、緊張ロッド10を緊張ジャッキ（図省略）に
連結し、これを緊張ジャッキによって引っ張り、緊張材
2,2を緊張する。Next, connect the tension rod 10 to a tension jack (not shown), pull it with the tension jack, and
Tension a few.
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。Then, the tension plate 2, 2 is pulled to fix the fixing plate 3
The shims 6, 6 are inserted into the gap formed between the bearing plate 5 and the bearing plate 5.
続いて、緊張治具７及びタイ棒８を取り外す。 Then, the tension jig 7 and the tie rod 8 are removed.
尚、定着板３はそのままにして定着体の一部とする。The fixing plate 3 is left as it is and is used as a 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。Also, the tensioning jig 7 and the tie rod 8 are repeatedly used.
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。Since the present invention is configured as described above, 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 fixing body and the pressure support plate without any gap except for the tensioning material portion, there is no fear that the fixing body tilts or rattles, and the tensioning material end portion does not exist. 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。Also, since the effective bearing area on the front of the fixing body can be used 100%,
It is not necessary to increase the size of the fixing body and the shim, 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ャッキで引っ張る為、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。Further, a fixing plate and a connecting plate of a tensioning jig are respectively installed at the front end portion and the rear end portion of the fixing member, and the fixing plate and the peripheral portion of the connecting plate are fixed by connecting them with a plurality of tie rods. Since the tension jig is pulled by the tension jack, the fixing body receives an even force from the fixing plate.Therefore, there is no fear that the fixing body will be split or partially destroyed, and the tensioning work is 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…固定ナット。FIGS. 1, 2, and 3 show an embodiment of the present invention, and FIG. 1 is a longitudinal sectional view of a fixing portion showing a tensioning method of a polymeric tension member using an adhesive fixing member. FIGS. 2, 3 and 4 are sectional views taken along the lines aa and bb in FIG. 1, and FIG. 4 is a longitudinal section showing a conventional tensioning method for a tension member using an adhesive fixing body. It is a side view. 1 ... Fixing body, 2 ... tension material, 3 ... fixing plate, 4 ... through hole, 5
… Pressure plate, 6… Shim, 7… Tension jig, 8… Tie rod, 9…
Connecting plate, 10 ... Rod, 11 ... Fixing nut.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 水谷 淳 東京都新宿区荒木町13番地の４ 住友建設 株式会社内 (72)発明者 柿原 隆一 大阪府茨木市中穂積１丁目７番32―108号 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Jun Mizutani 4 13-Araki-cho, Shinjuku-ku, Tokyo Within Sumitomo Construction Co., Ltd.
Claims (1)
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設置すると共に当該定着板と
緊張治具の連結板とをこ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 slightly larger than that of the fixing member and a connecting plate of a tensioning jig are installed at the front end and the rear end of the adhesive fixing member fixed to the front end of the tension member, and the fixing member is fixed. The plate and the connecting plate of the tension jig are fixed by connecting the peripheral portion with a plurality of tie rods, and subsequently, the tension jig is pulled and a gap formed between the fixing plate and the pressure plate. A method for tensioning a tension member using an adhesive fixing body, which is characterized in that a shim is inserted into the groove.
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 JPH03156067A (en) | 1991-07-04 |
| JPH0678687B2 true 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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5207465B2 (en) * | 2008-12-10 | 2013-06-12 | 住友電工スチールワイヤー株式会社 | Shim receiving jig and tension material fixing structure using shim receiving jig |
| JP6670112B2 (en) * | 2016-01-20 | 2020-03-18 | 株式会社エスイー | Fixing plate for fixing tensile material and method of manufacturing the same |
-
1989
- 1989-11-13 JP JP29443989A patent/JPH0678687B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03156067A (en) | 1991-07-04 |
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