JPH0711124B2 - Construction method of diagonal cable in cable-stayed bridge - Google Patents
Construction method of diagonal cable in cable-stayed bridgeInfo
- Publication number
- JPH0711124B2 JPH0711124B2 JP62298798A JP29879887A JPH0711124B2 JP H0711124 B2 JPH0711124 B2 JP H0711124B2 JP 62298798 A JP62298798 A JP 62298798A JP 29879887 A JP29879887 A JP 29879887A JP H0711124 B2 JPH0711124 B2 JP H0711124B2
- Authority
- JP
- Japan
- Prior art keywords
- wire
- erection
- bridge girder
- pipe
- main tower
- 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 - Fee Related
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は斜材を外管で被覆して架設する、斜張橋にお
ける斜材ケーブルの架設方法に関するものである。Description: TECHNICAL FIELD The present invention relates to a method for laying a diagonal cable in a cable-stayed bridge, which is constructed by covering a diagonal member with an outer pipe.
斜張橋の施工において斜材を外管で被覆して架設する場
合、外管は運搬の便宜より現場で短管を接続して組み立
てられ、架設されるが、この架設作業は通常橋桁上のク
レーンで外管を一括して吊り上げることにより行われ
る。When constructing a cable-stayed bridge and covering the diagonal material with an outer pipe, the outer pipe is assembled and erected by connecting short pipes on site for the convenience of transportation, but this erection work is usually done on bridge girders. This is done by hoisting the outer tubes together with a crane.
ところがこの橋桁上に設置されるクレーンを用いて外管
の吊り上げを行う方法ではクレーンが橋桁上に大きなス
ペースを占めるため橋桁本体の施工の進行に支障を及ぼ
すことになる。However, in the method of hoisting the outer pipe by using the crane installed on the bridge girder, the crane occupies a large space on the bridge girder, which hinders the progress of the construction of the bridge girder body.
この発明はこうしたクレーンを用いる従来方法の実情を
踏まえてなされたもので、ワイヤを用いて短管を順次接
続しながらこれを引き上げることにより上記問題点を解
消しようとするものである。The present invention has been made in view of the actual situation of the conventional method using such a crane, and is intended to solve the above problems by sequentially connecting short pipes using a wire and pulling them up.
本発明では外管の架設に先立って主塔、橋桁間に架設用
ワイヤ及び引き上げ用ワイヤを張架し、この両ワイヤを
利用して外管を構成する短管を橋桁上で順次接続しなが
ら引き上げて外管を架設することにより橋桁上にその工
事に支障のないスペースを確保することを可能とする。In the present invention, the erection wire and the pulling wire are stretched between the main tower and the bridge girder prior to the erection of the outer pipe, and the short pipes constituting the outer pipe are sequentially connected on the bridge girder by using these wires. It is possible to secure a space on the bridge girder that does not interfere with the construction by pulling it up and installing the outer pipe.
架設用ワイヤは外管を構成する短管を吊り下げ、その引
き上げのガイドとなるもので、これには短管を支持する
ハンガーが懸架される。The erection wire serves as a guide for suspending and pulling up the short pipe that constitutes the outer pipe, and a hanger that supports the short pipe is suspended on this.
この架設用ワイヤの下方にこれに並列して短管を引き上
げるための引き上げ用ワイヤが張架される。A pulling wire for pulling up the short pipe is stretched below the erection wire in parallel with the erection wire.
橋桁上には短管を接続するための足場が組み立てられ、
この足場上で引き上げ用ワイヤに先行の短管を接続する
とともに、この短管に次の短管を接続し、順次接続され
た短管をハンガーに支持させながら引き上げ用ワイヤで
引き上げるという手順を繰り返して外管を形成する。A scaffold for connecting short pipes was assembled on the bridge girder,
Repeat the procedure of connecting the preceding short pipe to the pulling wire on this scaffold, connecting the next short pipe to this short pipe, and pulling up with the pulling wire while supporting the sequentially connected short pipes on the hanger. To form the outer tube.
続いて外管の両端を予め主塔と橋桁とに埋設された定着
管に接続した後、外管内に主塔側から斜材を一本以上挿
通し、これを仮緊張することによって外管を主塔と橋桁
間に張架した状態で架設する。Then, after connecting both ends of the outer pipe to the fixing pipes embedded in the main tower and the bridge girder in advance, insert one or more diagonal members from the main tower side into the outer pipe, and temporarily tighten the outer pipe to fix the outer pipe. The bridge will be installed between the main tower and bridge girder.
その後、外管内に所要本数の斜材を主塔側から挿通して
各斜材を主塔、または橋桁側で予備緊張し、更に各斜材
を橋桁、または主塔側で緊張し、斜材ケーブルの架設作
業は終了する。After that, insert the required number of diagonal members into the outer pipe from the main tower side, pre-tension each diagonal member on the main tower or bridge girder side, and further tension each diagonal member on the bridge girder or main tower side, Cable erection work is completed.
以下本発明を一実施例を示す図面に基づいて説明する。 The present invention will be described below with reference to the drawings illustrating an embodiment.
この発明は主塔Ｔと橋桁Ｇ間に架設された架設用ワイヤ
１及び引き上げ用ワイヤ２を利用し、橋桁Ｇ上の足場５
上において順次接続された短管30を主塔Ｔ側へ引き上げ
て外管３を架設した後、斜材４を挿通して斜材ケーブル
Ｃを架設する方法である。The present invention utilizes a erection wire 1 and a pulling wire 2 erected between a main tower T and a bridge girder G, and uses a scaffold 5 on the bridge girder G.
After a short tube 3 0 which are sequentially connected in the above bridged the outer tube 3 is pulled up to the main column T side, it is a method of bridging the diagonal member cable C inserted through the diagonal member 4.
第１図に従って施工手順を説明する。The construction procedure will be described with reference to FIG.
まず外管３の架設に先立って主塔Ｔと橋桁Ｇ間に架設用
ワイヤ１及び引き上げ用ワイヤ２を架設するとともに、
橋桁Ｇ上に足場５を設置する（Ｉ）。First, prior to the erection of the outer pipe 3, the erection wire 1 and the raising wire 2 are erected between the main tower T and the bridge girder G, and
The scaffold 5 is installed on the bridge girder G (I).
引き上げ用ワイヤ２は架設用ワイヤ１の下方にこれに並
列して架設され、この引き上げ用ワイヤ２の下に足場５
が組み立てられる。The lifting wire 2 is installed below the erection wire 1 in parallel with the erection wire 1, and the scaffold 5 is provided under the erection wire 2.
Is assembled.
この足場５上で外管３を構成する、先行の短管30を引き
上げ用ワイヤ２に接続すると同時に、これに次の短管30
を接続する（Ｉ）。短管30，30の接続はポリエチレン管
の場合には溶着により、FRP管の場合には接着により行
われる。Constituting the outer tube 3 over the scaffold 5, and at the same time to connect the short pipe 3 0 prior to pulling wire 2, in the next short pipe 3 0
Is connected (I). By welding in the case of short pipe 3 0, 3 0 connection polyethylene pipe, in the case of the FRP pipe is performed by bonding.
続いて順次接続された短管30を架設用ワイヤ１から吊り
下げられたハンガー６に支持させながら、巻き上げ装置
７で引き上げ用ワイヤ２を巻き上げることにより主塔Ｔ
側へ引き上げる（II）。While supporting the short pipe 3 0 which are sequentially connected following the hanger 6 suspended from bridging wire 1, the main column by winding the pulling wire 2 hoisting device 7 T
Pull up to the side (II).
短管30の接続，引き上げという手順を繰り返し、全短管
30を引き上げて主塔T,橋桁Ｇ間に外管３を形成した後、
外管３の両端を主塔Ｔと橋桁Ｇとに埋設された定着管8,
8に接続するとともに、主塔Ｔ回りに組み立てられた架
設足場９上に送り出し装置10を、橋桁Ｇ上に斜材４が巻
き付けられた巻き戻し装置11をそれぞれ設置する（II
I）。Short pipe 3 0 connection, repeat the procedure of pulling, Zentankan
3 Raise 0 main tower T, after forming the outer tube 3 between the bridge girder G,
A fixing tube 8, in which both ends of the outer tube 3 are buried in the main tower T and the bridge girder G,
In addition to connecting to 8, the sending device 10 is installed on the erection scaffolding 9 assembled around the main tower T, and the rewinding device 11 in which the diagonal member 4 is wound on the bridge girder G is installed (II
I).
ここで送り出し装置10により巻き戻し装置11に巻き付け
られてある斜材４を外管３内に一本以上挿通し、仮緊張
して外管３を張架状態に保持した後、所要本数の斜材４
を一本ずつ送り出し装置10により外管３内に送り込んで
挿通し、各斜材４を一本毎に主塔Ｔ側、または橋桁Ｇ側
で予備緊張する（III）。Here, one or more diagonal members 4 wound around the rewinding device 11 by the sending-out device 10 are inserted into the outer tube 3 and temporarily tensioned to hold the outer tube 3 in a stretched state. Material 4
One by one is fed into the outer tube 3 by the feeding device 10 and inserted, and each diagonal member 4 is pretensioned on the main tower T side or the bridge girder G side (III).
次に斜材４を橋桁Ｇ側で、または主塔Ｔ側で緊張して緊
張力の調整を行い、外管３内に下方から上方へ向けてグ
ラウトを注入し、斜材ケーブルＣの架設作業が終了する
（IV）。Next, the diagonal member 4 is tensioned on the bridge girder G side or the main tower T side to adjust the tension force, and grout is injected into the outer pipe 3 from the lower side to the upper side to construct the diagonal cable C. Ends (IV).
この発明は以上の通りであり、橋桁及び主塔にクレーン
を設置せず、両者間に架設されるワイヤを利用して外管
の架設を行うものであるため橋面上に橋桁工事に支障の
ないスペースが確保され、この工事を斜材ケーブルの架
設工事と並行して行うことが可能であり、工期の短縮化
を図ることができる。This invention is as described above, and the crane is not installed on the bridge girder and the main tower, but the outer pipe is erected by using the wire erected between the two, so that the bridge girder construction on the bridge surface is not hindered. Space is secured, and this work can be done in parallel with the erection work of the diagonal cable, and the construction period can be shortened.
第１図−Ｉ〜IVは本発明実施例の施工手順を示した概要
図である。 Ｔ……主塔、Ｇ……橋桁、Ｃ……斜材ケーブル、１……
架設用ワイヤ、２……引き上げ用ワイヤ、３……外管、
30……短管、４……斜材、５……足場、６……ハンガ
ー、７……巻き上げ装置、８……定着管、９……架設足
場、10……送り出し装置、11……巻き戻し装置。1-I to IV are schematic diagrams showing the construction procedure of the embodiment of the present invention. T: main tower, G: bridge girder, C ... diagonal cable, 1 ...
Wire for erection, 2 ... Wire for pulling up, 3 ... Outer tube,
3 0 …… Short pipe, 4 …… Slanting material, 5 …… Scaffold, 6 …… Hanger, 7 …… Rolling device, 8 …… Fixing tube, 9 …… Installation scaffold, 10 …… Sending device, 11 …… Rewinding device.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小田原 裕一 東京都港区元赤坂１丁目２番７号 鹿島建 設株式会社内 (72)発明者 渡辺 松男 東京都港区元赤坂１丁目２番７号 鹿島建 設株式会社内 (56)参考文献 特開 昭61−119790（ＪＰ，Ａ) 特開 昭58−69908（ＪＰ，Ａ) 特公 昭58−25121（ＪＰ，Ｂ２) 特公 昭58−4124（ＪＰ，Ｂ２) 特公 昭60−59350（ＪＰ，Ｂ２) ─────────────────────────────────────────────────── ─── Continuation of front page (72) Yuichi Odawara Yuka Odawara, 1-2-7 Moto-Akasaka, Minato-ku, Tokyo Kashima Construction Co., Ltd. (72) Matsuo Watanabe 1-2-7 Moto-Akasaka, Minato-ku, Tokyo No. Kashima Construction Co., Ltd. (56) Reference JP 61-119790 (JP, A) JP 58-69908 (JP, A) JP 58-25121 (JP, B2) JP 58- 4124 (JP, B2) JP 60-59350 (JP, B2)
Claims (1)
成する短管を吊り下げ、かつ短管を引き上げるためのガ
イドとなる架設用ワイヤと、架設用ワイヤの下方にこれ
に並列して短管を引き上げるための引き上げ用ワイヤと
をそれぞれ張設するとともに、橋桁上に、短管を接続す
るための足場を組み立て、足場上で引上げ用ワイヤに先
行の短管を接続すると同時に吊り下げ、次いでこの短管
に次の短管を接続し、順次接続された短管を架設用ワイ
ヤから吊り下げられたハンガーに支持させながら引き上
げ用ワイヤで引き上げるという手順を繰り返して斜材ケ
ーブルの架設区間長の外管を形成し、この外管の両端を
予め主塔と橋桁とに埋設された定着管に接続した後、外
管内に主塔側から斜材を一本以上挿通し、これを仮緊張
して外管を主塔、橋桁間に架設し、続いて外管内に所要
本数の斜材を主塔、または橋桁側から挿通して各斜材を
主塔又は橋桁側で予備緊張し、更に各斜材を橋桁、また
は主塔側で緊張するという工程からなる斜張橋における
斜材ケーブルの架設方法。1. A erection wire that serves as a guide for suspending a short pipe constituting an outer pipe covering a diagonal member and pulling up the short pipe between a main tower and a bridge girder, and a erection wire below the erection wire. A wire for pulling up the short pipe in parallel with each other is stretched, a scaffold for connecting the short pipe is assembled on the bridge girder, and the preceding short pipe is connected to the pulling wire on the scaffold. At the same time, suspend the next short pipe to this short pipe and repeat the procedure of pulling up with the pulling wire while supporting the sequentially connected short pipes from the erection wire on the suspended hanger. After forming an outer pipe of the length of the erection section, and connecting both ends of this outer pipe to the fixing pipes embedded in the main tower and bridge girder in advance, insert one or more diagonal members from the main tower side into the outer pipe, Temporarily tension this and use the outer tube as the main tower, It is installed between girders, and then the required number of diagonal members is inserted into the outer pipe from the main tower or bridge girder side to pretension each diagonal member on the main tower or bridge girder side. A method of erection of diagonal cable in a cable-stayed bridge, which consists of tensioning on the tower side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62298798A JPH0711124B2 (en) | 1987-11-26 | 1987-11-26 | Construction method of diagonal cable in cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62298798A JPH0711124B2 (en) | 1987-11-26 | 1987-11-26 | Construction method of diagonal cable in cable-stayed bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01142108A JPH01142108A (en) | 1989-06-05 |
| JPH0711124B2 true JPH0711124B2 (en) | 1995-02-08 |
Family
ID=17864359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62298798A Expired - Fee Related JPH0711124B2 (en) | 1987-11-26 | 1987-11-26 | Construction method of diagonal cable in cable-stayed bridge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0711124B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2858987B1 (en) * | 2003-08-20 | 2006-02-17 | Freyssinet Int Stup | METHOD FOR MOUNTING A HAUBAN |
| EP2045512B1 (en) * | 2007-10-02 | 2011-05-11 | Axis AB | Component holder for attachment in a panel |
| KR102219660B1 (en) * | 2020-08-24 | 2021-02-24 | 현대건설주식회사 | Elevating workbench for cable installation of cable-stayed bridge main tower and cable construction method for cable-stayed bridge main towerusing the same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS584124A (en) * | 1981-07-01 | 1983-01-11 | Canon Inc | Motor driving device for camera |
| JPS5825121A (en) * | 1981-08-08 | 1983-02-15 | 松下電器産業株式会社 | Pressure cooker |
| DE3138819C2 (en) * | 1981-09-30 | 1986-10-23 | Dyckerhoff & Widmann AG, 8000 München | Method for assembling a tension member running freely between its anchoring points, in particular a stay cable for a stay cable bridge |
| DE3437350A1 (en) * | 1984-08-30 | 1986-03-13 | Ulrich Dr.Ing. e.h. Dr.Ing. 8000 München Finsterwalder | CABLES FOR CONSTRUCTIONS, ESPECIALLY INCLINED CABLE BRIDGES AND METHOD FOR THE PRODUCTION THEREOF |
-
1987
- 1987-11-26 JP JP62298798A patent/JPH0711124B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01142108A (en) | 1989-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |