JPH0625403B2 - Structure of web stretcher for bridge expansion / contraction device - Google Patents
Structure of web stretcher for bridge expansion / contraction deviceInfo
- Publication number
- JPH0625403B2 JPH0625403B2 JP1114679A JP11467989A JPH0625403B2 JP H0625403 B2 JPH0625403 B2 JP H0625403B2 JP 1114679 A JP1114679 A JP 1114679A JP 11467989 A JP11467989 A JP 11467989A JP H0625403 B2 JPH0625403 B2 JP H0625403B2
- Authority
- JP
- Japan
- Prior art keywords
- web
- plate
- contraction device
- bridge
- gap
- 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)
- Road Paving Structures (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、道路橋等の橋梁用伸縮装置のウエブ遊間構
造に関するものである。Description: TECHNICAL FIELD The present invention relates to a web clearance structure of a telescopic device for a bridge such as a road bridge.
従来、この種の橋梁用伸縮装置のウエブ遊間内構造に
は、例えば第４図及び第５図に示したように、くし歯部
（７ａ）を介して相互に噛み合わせた一対のフェースプ
レート（７）とウエブフレーム（５）の相互に対向する
ウエブプレート（５ｂ）とバックアップ材（11）により
形成されるウエブ遊間内に、シール材（４）を流し込み
硬化させて仕上げる形式のものであった。Conventionally, as shown in FIGS. 4 and 5, for example, as shown in FIG. 4 and FIG. 5, in a web play inner structure of this type of bridge expanding / contracting device, a pair of face plates (which interlock with each other via comb teeth (7a) ( 7) and the web frame (5) are opposed to each other, and the seal material (4) is poured into the space between the webs formed by the backup material (11) and the seal material (4) to be hardened for finishing. .
しかしながら、上記従来の橋梁用伸縮装置のウエブ遊間
内構造では、フェースプレート（７）のくし歯部（７
ａ）の隙間（７ｂ）から侵入するごみや紫外線等により
シール材（４）が早く劣化するという課題や、橋梁用伸
縮装置が伸縮すると、シール材（４）が、くし歯部（７
ａ）の間より飛びだすという課題、を有していた。However, in the structure of the web play space of the conventional expansion / contraction device for bridges, the comb teeth (7) of the face plate (7) are used.
The problem that the sealing material (4) deteriorates rapidly due to dust, ultraviolet rays, and the like entering through the gap (7b) in a), and when the bridge expansion / contraction device expands / contracts, the sealing material (4) causes the comb tooth part (7) to move.
There was a problem of jumping out from between a).
そこで、この発明の橋梁用伸縮装置のウエブ遊間内構造
は、上記従来の橋梁用伸縮装置のウエブ遊間内構造が有
する課題を解決することを目的としてなされたものであ
る。Therefore, the structure of the inter-web clearance of the expansion / contraction device for bridge of the present invention is made for the purpose of solving the problems of the above-mentioned inter-web clearance structure of the conventional expansion / contraction device for bridge.
そのため、この発明では、フェースプレート（７）のく
し歯部（７ａ）の隙間（７ｂ）を下側より覆って塞ぐよ
うにした覆い部（２ｃ）と前記覆い部（２ｃ）の両側に
形成された長さ方向に長い折返（２ａ）を有する伸縮部
（２ｄ）とを設けた弾性材（２）と、前記覆い部（２
ｃ）を下側より支えている発泡部材（３）と、前記伸縮
部（２ｄ）とフェースプレート（７）との間に充填硬化
されたシール材（４）とからなる止水体（１）を、相互
に噛み合わせた一対のフェースプレート（７）と相互に
対向するウエブプレート（５ｂ）とサポートプレート
（８）とにより形成されるウエブ遊間（９）内に、前記
止水体（１）の弾性材（２）両端部をウエブプレート
（５ｂ）にそれぞれ固定して、収納したものとしてい
る。Therefore, in the present invention, the cover portion (2c) is formed on both sides of the cover portion (2c) so as to cover and close the gap (7b) of the comb tooth portion (7a) of the face plate (7) from below. An elastic member (2) provided with a stretchable portion (2d) having a long folded portion (2a) in the longitudinal direction, and the cover portion (2).
A water stop body (1) comprising a foam member (3) supporting c) from below and a seal material (4) which is filled and hardened between the expandable portion (2d) and the face plate (7). , The elasticity of the water stop body (1) in a web clearance (9) formed by a pair of face plates (7) meshed with each other, a web plate (5b) and a support plate (8) facing each other. Both ends of the material (2) are fixed to the web plate (5b) and housed.
この発明の橋梁用伸縮装置のウエブ遊間内構造では、上
記手段を施したため、次の作用をする。Since the above-mentioned means is applied to the web play space inner structure of the bridge expansion / contraction device of the present invention, the following action is achieved.
弾性材（２）と覆い部（２ｃ）により、フェースプレー
ト（７）のくし歯部（７ａ）の隙間（７ｂ）を塞いでい
るので、くし歯部（７ａ）の隙間（７ｂ）からのごみや
紫外線等の侵入を防止するだけでなく、橋梁用伸縮装置
が伸縮したときにシール材（４）が外に飛びださないよ
うにする。Since the gap (7b) of the comb tooth portion (7a) of the face plate (7) is closed by the elastic material (2) and the covering portion (2c), dust from the gap (7b) of the comb tooth portion (7a) Not only does this prevent the entry of ultraviolet rays and ultraviolet rays, but also prevents the sealing material (4) from jumping out when the bridge expansion / contraction device expands / contracts.
以下、この発明の実施例を第１図から第３図に示した図
面に基づいて説明する。An embodiment of the present invention will be described below with reference to the drawings shown in FIGS.
（１）は、弾性材（２）と、発泡部材（３）と、シール
材（４）からなる止水体である。(1) is a water stop body composed of an elastic material (2), a foam member (3), and a sealing material (4).
弾性材（２）は、スプレート（７）のくし歯部（７ａ）
の隙間（７ｂ）を下側より覆って塞ぐようにした覆い部
（２ｃ）と前記覆い部（２ｃ）の両側に形成された長さ
方向に長い折返（２ａ）を有する伸縮部（２ｄ）とから
なる。The elastic material (2) is a comb tooth portion (7a) of the splat (7).
A cover portion (2c) which covers the gap (7b) from below and closes it, and a stretchable portion (2d) formed on both sides of the cover portion (2c) and having long folds (2a) in the longitudinal direction. Consists of.
発泡部材（３）は、前記覆い部（２ｃ）の下側より支え
るものであり、覆い部２ｃの下側面に固着されている。The foam member (3) supports from below the cover portion (2c), and is fixed to the lower side surface of the cover portion 2c.
シール材（４）は、前記伸縮部（２ｄ）とフェースプレ
ート（７）との間に囲まれた部分に充填硬化されてい
る。The seal material (4) is filled and hardened in a portion surrounded by the expandable portion (2d) and the face plate (7).
この止水体（１）の弾性材（２）、シール材（４）の材
質は、それぞれの性質に応じた各種のゴム、合成樹脂等
が適宜従来のものより選択して使用され、発泡部材
（３）の材質は、ポリエチレンやポリウレタンの発泡体
等が適宜従来のものより選択して使用される。尚、前記
折返部（２ａ）には、相互に対向するウエブプレート
（５ｂ）の間隔が変化したとき、この変化に伴いこの折
返部（２ａ）が伸縮し易いように、隙間（６）を設けて
おくのが好ましい。The elastic material (2) and the sealing material (4) of the water stop body (1) are selected from various rubbers, synthetic resins, etc. according to their respective properties as appropriate, and are used. As the material of 3), a foamed material such as polyethylene or polyurethane is appropriately selected from conventional materials and used. A gap (6) is provided in the folded-back portion (2a) so that the folded-back portion (2a) easily expands and contracts when the distance between the web plates (5b) facing each other changes. It is preferable to keep it.
（７）は、くし歯部（７ａ）を介して相互に噛み合わせ
た一対のフェースプレートである。このフェースプレー
ト（７）は、ウエブフレーム（５）のフランジ部（５
ａ）に固着されており、橋梁の温度変化等による伸縮に
よりウエブフレーム（５）の相互に対向するウエブプレ
ート（５ｂ）の間隔が変化しても、この変化に追随でき
るようになっている。(7) is a pair of face plates meshed with each other through the comb teeth (7a). The face plate (7) is a flange portion (5) of the web frame (5).
Even if the distance between the web plates (5b) of the web frame (5) facing each other is changed due to expansion and contraction due to temperature change of the bridge, etc., it can follow this change.
（８）は、Ｌ型アングルとしたサポートプレートであ
り、前記の相互に対向するウエブプレート（５ｂ）にそ
れぞれ固着されている。Reference numeral (8) is an L-shaped angled support plate, which is fixed to the web plates (5b) facing each other.
そして、これらフェースプレート（７）、ウエブプレー
ト（５ｂ）、及びサポートプレート（８）により形成さ
れるウエブ遊間（９）内に、前記止水体（１）の弾性材
（２）の両端部をウエブプレート（５ｂ）にそれぞれ固
定して、収納している。尚、前記止水体（１）の弾性材
（２）の端部をウエブプレート（５ｂ）に固定するに
は、弾性材（２）の端部に延長部（２ｂ）を設け、この
延長部（２ｂ）を前記サポートプレート（８）の垂直部
（８ａ）とウエブフレーム（５）のウエブプレート（５
ｂ）間に挟み込んで固着する等の適宜の構造とすること
ができる。Then, both ends of the elastic member (2) of the water stop body (1) are placed in a web gap (9) formed by the face plate (7), the web plate (5b) and the support plate (8). Each plate (5b) is fixed and stored. In order to fix the end of the elastic material (2) of the water stop body (1) to the web plate (5b), the extension (2b) is provided at the end of the elastic material (2), and the extension ( 2b) the vertical portion (8a) of the support plate (8) and the web plate (5) of the web frame (5).
An appropriate structure such as sandwiching and fixing between b) can be adopted.
フェースプレート（７）下面には、このフェースプレー
ト（７）と前記止水体（１）のシール材（４）との密着
を防ぐために、必要に応じポリエステルフィルム等を介
在させることもできる。If necessary, a polyester film or the like may be interposed on the lower surface of the face plate (7) in order to prevent the face plate (7) and the sealing material (4) of the water blocking body (1) from adhering to each other.
この発明の橋梁用伸縮装置のウエブ遊間内構造では、弾
性材（２）の覆い部（２ｃ）により、フェースプレート
（７）のくし歯部（７ａ）の隙間（７ｂ）を塞ぎ、くし
歯部（７ａ）の隙間（７ｂ）から侵入するごみや紫外線
等を塞いでいるので、シール材（４）の劣化を防ぐこと
ができる。さらに、弾性材（２）の覆い部（２ｃ）によ
り、フェースプレート（７）のくし歯部（７ａ）の隙間
（７ｂ）を塞いでいるので、橋梁用伸縮装置が伸縮する
ことによりウエブプレート（５ｂ）の間隔が変化して
も、伸縮部（２ｄ）内に充填硬化したシール材（４）が
くし歯部（７ａ）の間より飛びださない。In the inter-web structure of the expansion / contraction device for a bridge of the present invention, the cover portion (2c) of the elastic material (2) closes the gap (7b) of the comb tooth portion (7a) of the face plate (7), and the comb tooth portion. Since dust, ultraviolet rays, and the like that enter through the gap (7b) of (7a) are blocked, deterioration of the sealing material (4) can be prevented. Further, since the cover portion (2c) of the elastic material (2) closes the gap (7b) of the comb tooth portion (7a) of the face plate (7), the webbing ( Even if the interval of 5b) changes, the sealing material (4) filled and hardened in the expansion / contraction part (2d) does not jump out from between the comb tooth parts (7a).
第１図は、この発明に係る橋梁用伸縮装置のウエブ遊間
内構造の一実施例を示す分解斜視図。第２図は、同ウエ
ブ遊間内構造の止水体を収納しない状態の幅方向の断面
を示す断面図。第３図は、同ウエブ遊間内構造の幅方向
の断面を示す断面図。第４図は、従来の橋梁用伸縮装置
のウエブ遊間内構造の斜視図。第５図は、従来の同ウエ
ブ遊間内構造の幅方向の断面を示す断面図。 （１）……止水体、（２）……弾性材 （２ａ）……折返部、（２ｂ）……延長部 （２ｃ）……覆い部、（２ｄ）……伸縮部 （３）……発泡部材、（４）……シール材 （５ｂ）……ウエブプレート （７）……フェースプレート （７ａ）……くし歯部、（７ｂ）……隙間 （８）……サポートプレート （９）……ウエブ遊間 （10）……スライドプレートFIG. 1 is an exploded perspective view showing an embodiment of a web play space inner structure of a bridge expansion / contraction device according to the present invention. FIG. 2 is a cross-sectional view showing a cross section in the width direction in the state in which the water blocking body of the same structure of the web gap is not housed. FIG. 3 is a cross-sectional view showing a cross-section in the width direction of the structure in the idle play of the web. FIG. 4 is a perspective view of the structure in the web play space of the conventional bridge expansion-contraction device. FIG. 5 is a cross-sectional view showing a cross section in the width direction of the conventional inner structure of the web. (1) ... water stop body, (2) ... elastic material (2a) ... folded part, (2b) ... extended part (2c) ... cover part, (2d) ... expandable part (3) ... Foamed member, (4) ... Sealant (5b) ... Web plate (7) ... Face plate (7a) ... Comb tooth, (7b) ... Gap (8) ... Support plate (9) ... … Web Yuma (10) …… Slide plate
Claims (1)
ａ）の隙間（７ｂ）を下側より覆って塞ぐようにした覆
い部（２ｃ）と前記覆い部（２ｃ）の両側に形成された
長さ方向に長い折返（２ａ）を有する伸縮部（２ｄ）と
を設けた弾性材（２）と、前記覆い部（２ｃ）を下側よ
り支えている発泡部材（３）と、前記伸縮部（２ｄ）と
フェースプレート（７）との間に充填硬化されたシール
材（４）とからなる止水体（１）を、相互に噛み合わせ
た一対のフェースプレート（７）と相互に対向するウエ
ブプレート（５ｂ）とサポートプレート（８）とにより
形成されるウエブ遊間（９）内に、前記止水体（１）の
弾性材（２）両端部をウエブプレート（５ｂ）にそれぞ
れ固定して、収納したことを特徴とする橋梁用伸縮装置
のウエブ遊間内構造。1. A comb tooth portion (7) of a face plate (7).
A cover part (2c) that covers the gap (7b) of a) from the lower side and a stretchable part (2d) having long folds (2a) formed on both sides of the cover part (2c) in the longitudinal direction. ) Is provided, a foam member (3) supporting the cover portion (2c) from below, and filling and curing between the expandable portion (2d) and the face plate (7). The water blocking body (1) made of the sealed sealing material (4) is formed by a pair of face plates (7) meshed with each other, a web plate (5b) facing each other, and a support plate (8). In the web clearance (9), both ends of the elastic material (2) of the water blocking body (1) are fixed to the web plate (5b) and housed therein, respectively, and stored in the web clearance of the expansion / contraction device for a bridge. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1114679A JPH0625403B2 (en) | 1989-05-08 | 1989-05-08 | Structure of web stretcher for bridge expansion / contraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1114679A JPH0625403B2 (en) | 1989-05-08 | 1989-05-08 | Structure of web stretcher for bridge expansion / contraction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02296904A JPH02296904A (en) | 1990-12-07 |
| JPH0625403B2 true JPH0625403B2 (en) | 1994-04-06 |
Family
ID=14643921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1114679A Expired - Fee Related JPH0625403B2 (en) | 1989-05-08 | 1989-05-08 | Structure of web stretcher for bridge expansion / contraction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0625403B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101634580B1 (en) * | 2015-06-03 | 2016-06-29 | 대창이엔지 주식회사 | Non-drain finger expansion joint and the construction method therefor |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4556203B2 (en) * | 2001-03-02 | 2010-10-06 | ニッタ株式会社 | Water stoppage material |
| JP2007032057A (en) * | 2005-07-26 | 2007-02-08 | Concrete Fukugo Kozo Kenkyu Kiko:Kk | Expansion device for bridge joint and joint method for bridge |
| JP4808503B2 (en) * | 2006-02-07 | 2011-11-02 | 西松建設株式会社 | Seismic joint structure of floor slab |
| CN109750597B (en) * | 2017-11-07 | 2024-05-10 | 河北宝力工程装备股份有限公司 | Waterproof dustproof telescopic device for bridge cantilever and construction method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59188503U (en) * | 1983-05-09 | 1984-12-14 | ニツタ株式会社 | Seal structure of non-drainage type steel expansion device |
-
1989
- 1989-05-08 JP JP1114679A patent/JPH0625403B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101634580B1 (en) * | 2015-06-03 | 2016-06-29 | 대창이엔지 주식회사 | Non-drain finger expansion joint and the construction method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02296904A (en) | 1990-12-07 |
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