JP2653994B2 - Seal structure of road bridge expansion and contraction device - Google Patents

Seal structure of road bridge expansion and contraction device

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Publication number
JP2653994B2
JP2653994B2 JP20085995A JP20085995A JP2653994B2 JP 2653994 B2 JP2653994 B2 JP 2653994B2 JP 20085995 A JP20085995 A JP 20085995A JP 20085995 A JP20085995 A JP 20085995A JP 2653994 B2 JP2653994 B2 JP 2653994B2
Authority
JP
Japan
Prior art keywords
longitudinal direction
joint
plate
seal
seam
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
Application number
JP20085995A
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Japanese (ja)
Other versions
JPH0949204A (en
Inventor
元之助 新井
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Individual
Original Assignee
Individual
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Priority to JP20085995A priority Critical patent/JP2653994B2/en
Publication of JPH0949204A publication Critical patent/JPH0949204A/en
Application granted granted Critical
Publication of JP2653994B2 publication Critical patent/JP2653994B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、道路橋伸縮装置に
関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road bridge expansion / contraction device.

【0002】[0002]

【従来の技術】実公平5−7282号公報に道路橋伸縮
継手の一例が示されている。この伸縮継手は、橋軸方向
に向合う縦基板の各々の上端に、互いに相手側へ突出す
る複数の凸部を継目長手方向に間隔をおいて備える歯形
部が形成されたものであり、互いの歯形部がジグザグに
曲折して継目長手方向に延びる波形遊隙を形成するよう
に向い合っているとともに、上記両縦基板の対向する内
面にゴム製シール板の両側縁部が固定されている。
2. Description of the Related Art An example of a road bridge expansion joint is disclosed in Japanese Utility Model Publication No. 5-7282. In this expansion joint, a toothed portion provided with a plurality of protrusions projecting toward each other at intervals in a seam longitudinal direction is formed at an upper end of each of the vertical substrates facing in the bridge axis direction. Of the rubber seal plate are fixed to opposing inner surfaces of the vertical substrates, while the tooth profile portions are bent in a zigzag manner to form a wavy play extending in the seam longitudinal direction. .

【0003】上記伸縮継手はその長さが1〜2mにされ
るのが通例であり、従って、道路橋の継目部においては
複数の伸縮継手が継目長手方向に連接されて設置され
る。この場合、継目長手方向に相隣接する伸縮継手のシ
ール板同士は単に突き合わせただけの状態になるため、
この突き合わせ部からの漏水を防止する必要がある。そ
の手段としては、長さ10cm前後の短い接続用シール
板を相隣接する伸縮継手のシール板の両者に股がって接
着する、という方法が一般に採用されている。
[0003] The above-mentioned expansion joint is usually made to have a length of 1 to 2 m. Therefore, a plurality of expansion joints are connected and installed in the seam portion of the road bridge in the seam longitudinal direction. In this case, the seal plates of the expansion joints adjacent to each other in the seam longitudinal direction are in a state of merely abutting each other,
It is necessary to prevent water leakage from this butt. As a means for this, a method is generally adopted in which a short connecting seal plate having a length of about 10 cm is crotch-bonded to both seal plates of adjacent expansion joints.

【0004】[0004]

【発明が解決しようとする課題】しかし、上記伸縮継手
のシール板及び接続用シール板のいずれもゴム製であっ
て柔らかいために、両者を重ねあわせて圧着(加圧接
着)しようとした際に、作業者の力加減によってシール
板が不規則に変形して動き、両者を確実に密着させるこ
とが難しい、という問題がある。
However, since both the seal plate and the connection seal plate of the above-mentioned expansion joint are made of rubber and soft, when both are overlapped and pressure-bonded (pressure bonding), In addition, there is a problem that the seal plate is irregularly deformed and moved due to the force of the operator, and it is difficult to surely adhere the two to each other.

【0005】[0005]

【課題を解決するための手段】本発明は、上記シール板
を金属製とし、これとゴムシール材とを組み合わせるこ
とによってシール板同士の接着を確実に行なうことがで
きるようにしたものである。
According to the present invention, the seal plate is made of metal, and a combination of the seal plate and a rubber seal material enables the seal plates to be securely bonded to each other.

【0006】すなわち、上記課題を解決する請求項1に
係る発明は、橋軸方向に向合う縦基板の各々の上端に、
ジグザグに曲折して継目長手方向に延びる波形遊隙を形
成するように、複数の凸部が継目長手方向に間隔をおい
て交互に相手側へ突出した歯形部が形成されてなる複数
の伸縮継手を備え、この複数の伸縮継手が道路橋の継目
部において継目長手方向に連接されている道路橋伸縮装
置において、中央に撓み部を有し継目長手方向に延びる
可撓性の金属製シール板の両側縁部が上記各伸縮継手の
相対する縦基板の対向する内面に固定されていて、上記
シール板と同様の撓み部を有する可撓性の金属製接続用
シール板が継目長手方向に相隣接する両伸縮継手のシー
ル板に股がって重ねられて該両シール板に接着されてい
ることを特徴とする。
[0006] That is, the invention according to claim 1 for solving the above-mentioned problem is that the upper end of each of the vertical substrates facing in the bridge axis direction is provided with:
A plurality of expansion joints formed with tooth-shaped portions in which a plurality of protrusions alternately project toward the other side at intervals in the seam longitudinal direction so as to form a wavy play extending in the seam longitudinal direction by bending in a zigzag manner. In a road bridge expansion and contraction device, wherein the plurality of expansion joints are connected in the seam longitudinal direction at the seam portion of the road bridge, a flexible metal seal plate having a bent portion at the center and extending in the seam longitudinal direction is provided. Both side edges are fixed to the opposing inner surfaces of the vertical substrates facing each other of the expansion joints, and flexible metal connection sealing plates having a bending portion similar to the sealing plate are adjacent to each other in the seam longitudinal direction. And is adhered to the seal plates of the two expansion joints so as to be attached to the seal plates.

【0007】当該発明においては、伸縮継手のシール板
及び接続用シール板は、共に金属製であるから、互いに
重ね合わせて接着する際に、外力によって不規則な変形
をすることがなく、当該接着作業が容易になるととも
に、シール性の高い確実な接着を期待することができ
る。また、上記伸縮継手のシール板及び接続用シール板
は共に金属製ではあるが、可撓性を有するから、道路橋
の伸縮を許容することに支障はない。
In the present invention, since the seal plate of the expansion joint and the seal plate for connection are both made of metal, they are not deformed irregularly by an external force when they are superimposed and adhered to each other. Work becomes easy, and reliable adhesion with high sealing properties can be expected. Although the seal plate and the connection seal plate of the expansion joint are both made of metal, they have flexibility, so that there is no problem in allowing expansion and contraction of the road bridge.

【0008】ここに、上記伸縮継手のシール板を縦基板
に対してゴムシール材を介して接着すれば、このシール
板と縦基板との間のシール性を高めることができる。こ
のようなゴムシール材を介在させない場合には、当該シ
ール板の上縁と縦基板とのなす角部にパテを盛ることに
よってそのシール性を高めることができる。
Here, if the sealing plate of the expansion joint is adhered to the vertical substrate via a rubber seal material, the sealing property between the sealing plate and the vertical substrate can be improved. When such a rubber sealing material is not interposed, putty is put on the corner formed between the upper edge of the sealing plate and the vertical substrate to improve the sealing property.

【0009】また、伸縮継手のシール板と接続用シール
板との間にもゴムシール材を介在せしめることがシール
性を高める上で好適である。
It is preferable to insert a rubber seal material between the seal plate of the expansion joint and the seal plate for connection in order to enhance the sealing property.

【0010】[0010]

【発明の効果】従って、本発明によれば、可撓性の金属
製シール板の両側縁部を伸縮継手の相対する縦基板の内
面に固定し、このシール板と同様の撓み部を有する可撓
性の金属製接続用シール板を継目長手方向に相隣接する
両伸縮継手のシール板に股がらせ重ね合わせて接着した
から、道路橋の伸縮を妨げることなく、相隣接する伸縮
継手のシール板同士を容易に且つ高いシール性をもって
確実に接着することができ、作業性及びシール性が向上
する。
According to the present invention, therefore, both side edges of a flexible metal seal plate are fixed to the inner surfaces of the vertical substrates facing each other in the expansion joint, and a flexible portion similar to the seal plate can be provided. The flexible metal connection seal plate is stretched over the seal plates of the two expansion joints adjacent to each other in the seam longitudinal direction and glued together, so that the seals of the expansion joints adjacent to each other are not hindered from expanding and contracting the road bridge. The plates can be easily and reliably adhered to each other with high sealing properties, and workability and sealing properties are improved.

【0011】[0011]

【発明の実施の形態】BEST MODE FOR CARRYING OUT THE INVENTION

<実施形態1>図1に示す道路橋伸縮装置において、1
は伸縮継手、2は床版、3は舗装、4は後打ちコンクリ
ートである。伸縮継手1は相対する鋼製の継手部材5,
5と本体シール板6と継手部材5,5の両外側に突出し
たアンカーとを備えてなり、床版遊間5を存して相対す
る床版2,2の端部に打設した後打ちコンクリート4,
4にアンカーによって固定されている。
<Embodiment 1> In the road bridge expansion and contraction device shown in FIG.
Is an expansion joint, 2 is a floor slab, 3 is pavement, and 4 is post-cast concrete. The expansion joint 1 is made of a steel joint member 5,
5; a body sealing plate 6; and anchors protruding from both outer sides of the joint members 5 and 5; 4,
4 is fixed by an anchor.

【0012】上記伸縮継手1の継手部材5は、図2に示
すように継目長手方向に延びる縦基板7と、該縦基板7
の上端に連なり水平に突出した歯形部8とよりなる。両
継手部材5,5の歯形部8,8は、ジグザグに曲折して
継目長手方向に延びる波形遊隙9を形成するように、複
数の台形状凸部8aが継目長手方向に間隔をおいて交互
に突出したものである。そして、伸縮継手1の継目長手
方向の端部には、歯形部8の凸部8aの一部を切り欠い
て上記波形遊隙9よりも広い遊隙(継目長手方向に直線
状に延びる直線状遊隙)11が形成されている。
As shown in FIG. 2, the joint member 5 of the expansion joint 1 includes a vertical substrate 7 extending in the longitudinal direction of the joint,
And a horizontally protruding tooth-shaped portion 8. A plurality of trapezoidal projections 8a are spaced apart in the longitudinal direction of the joint so that the toothed portions 8, 8 of the joint members 5, 5 are bent in a zigzag manner to form a wavy play 9 extending in the longitudinal direction of the joint. It protrudes alternately. At the end of the expansion joint 1 in the longitudinal direction of the joint, a part of the protruding portion 8a of the toothed portion 8 is cut out to have a play space wider than the wavy play 9 (a straight line extending linearly in the seam longitudinal direction). A play space 11 is formed.

【0013】本例の直線状遊隙11は、一方の歯形部8
の凸部8aの片側半部を切除し、他方の歯形部8の凸部
8aの側部を切除しすることによって、一方の歯形部8
の凹部(凸部8aと凸部8aとの間の部分)から他方の
歯形部8の凹部に亘る広幅に形成され、長さは波形遊隙
9のピッチの半分よりも長め(寸法では5cm程度)に
なっている。また、本例の場合、継目長手方向に相隣接
する伸縮継手1,1の両者に互いに一直線に連なる直線
状遊隙11,11が形成されており、両者合わせた全長
は10cm程度になる(遊隙11,11を合わせた全長
は5〜15cmの範囲とすることが好ましい)。
The straight play gap 11 of the present embodiment has one tooth-shaped portion 8.
By cutting off one side half of the convex portion 8a of the other tooth shape and cutting off the side portion of the convex portion 8a of the other tooth shape portion 8, one tooth shape portion 8
Is formed to have a wide width extending from the concave portion (the portion between the convex portions 8a and the convex portions 8a) to the concave portion of the other tooth profile portion 8, and the length is longer than half the pitch of the waveform play gap 9 (about 5 cm in size). )It has become. Further, in the case of this example, linear play gaps 11 and 11 are formed in both of the expansion joints 1 and 1 adjacent to each other in the seam longitudinal direction, and the total length of both is approximately 10 cm (free play). The total length of the gaps 11, 11 is preferably in the range of 5 to 15 cm).

【0014】本体シール板6は、可撓性を有する薄鋼板
によって形成されていて、中央に撓み部ができるように
U字状に曲げられてその両側の上縁部が縦基板7,7の
対向する内面に継目長手方向に延びる帯板状のゴムシー
ル材15,15を介して固定されている。本例の場合、
本体シール板6とゴムシール材15とは、本体押え板1
2,12によって縦基板7に圧接された状態になるよう
にボルトによって固定されている。本体シール板6及び
ゴムシール材15は各継手部材5の全長にわたって設け
られている。これに対して、本体押え板12は上記直線
状遊隙11を除く範囲で継目長手方向に延びる帯板であ
る(但し、本体押え板12は当該範囲で幾つかに分割さ
れていてもよい)。
The main body sealing plate 6 is formed of a thin steel plate having flexibility, is bent into a U-shape so that a bent portion is formed at the center, and upper edges of both sides thereof are formed of the vertical substrates 7, 7. It is fixed to opposing inner surfaces via band-shaped rubber seals 15 extending in the seam longitudinal direction. In this case,
The main body sealing plate 6 and the rubber sealing material 15 are
They are fixed by bolts so as to be pressed against the vertical substrate 7 by the substrates 2 and 12. The main body sealing plate 6 and the rubber sealing material 15 are provided over the entire length of each joint member 5. On the other hand, the main body holding plate 12 is a strip extending in the seam longitudinal direction in a range excluding the straight play gap 11 (however, the main body holding plate 12 may be divided into several parts in the range). .

【0015】そうして、継目長手方向に相隣接する伸縮
継手1,1の本体シール板6,6同士は図3に示す接続
用シール板13及び接続用ゴムシール材16によって接
続されている。すなわち、接続用シール板13は、上記
本体シール板6と同じく可撓性を有する薄鋼板によって
形成され、上記相隣接する伸縮継手1,1の両直線状遊
隙11,11を合わせた全長よりも短めの長さになって
いる。また、接続用ゴムシール材16は接続用シール板
13の片側全面に貼付けられた未加硫ゴムシートによっ
て形成されている。
The main body seal plates 6, 6 of the expansion joints 1, 1 adjacent to each other in the longitudinal direction of the joint are connected to each other by the connection seal plate 13 and the connection rubber seal material 16 shown in FIG. That is, the connection sealing plate 13 is formed of a thin steel plate having the same flexibility as the main body sealing plate 6, and has a length greater than the total length of the two linear play gaps 11 of the adjacent expansion joints 1. Are also shorter. The connection rubber seal material 16 is formed of an unvulcanized rubber sheet attached to the entire surface of one side of the connection seal plate 13.

【0016】そして、図4〜6に示すように、上記接続
用のシール板13及びゴムシール材16は、中央に本体
シール板6と同様の撓み部ができるように且つゴムシー
ル材16が外側になるようにU字状に曲げられて、上記
両本体シール板6,6の両者に股がるように上から重ね
て接着されている。そして、上記両本体シール板6,6
の端部、接続用のシール板13及びゴムシール材16は
共に継目長手方向に帯状に延びる接続用押え板14によ
って相隣接する伸縮継手1,1の縦基板7,7の内面に
圧接された状態になるようにボルトによって固定されて
いる。
As shown in FIGS. 4 to 6, the sealing plate 13 for connection and the rubber sealing material 16 have a bent portion similar to that of the main body sealing plate 6 at the center and the rubber sealing material 16 is on the outside. It is bent in a U-shape as described above, and is adhered to both of the two main body sealing plates 6 and 6 from above so as to extend over the crotch. And, the both body sealing plates 6, 6
, The connecting seal plate 13 and the rubber sealing material 16 are pressed against the inner surfaces of the adjacent vertical substrates 7, 7 of the expansion joints 1, 1 by a connecting press plate 14 extending in a strip shape in the seam longitudinal direction. It is fixed by a bolt so that it becomes.

【0017】次に施工方法について説明する。まず、道
路橋継目部において、相対する床版2,2の端部に切欠
段部2a,2aを形成しておき、この両切欠段部2a,
2a間の中央に上記伸縮継手1を配置し、アンカーを床
版端部の既設の鉄筋に固定する。この伸縮継手1の固定
は道路継目部の全長にわたって行なう。継目長手方向に
相隣接する伸縮継手1,1の直線状遊隙11,11は一
直線状に連なることになる。
Next, a construction method will be described. First, at the seam of the road bridge, cutout steps 2a, 2a are formed at the ends of the opposing floor slabs 2, 2, and both cutout steps 2a, 2a are formed.
The expansion joint 1 is arranged at the center between 2a and the anchor is fixed to the existing reinforcing bar at the end of the floor slab. The expansion joint 1 is fixed over the entire length of the road joint. The linear play gaps 11, 11 of the expansion joints 1, 1 adjacent to each other in the seam longitudinal direction are connected in a straight line.

【0018】そうして、上記一直線状に連なった直線状
遊隙11,11から接続用のシール板13及びゴムシー
ル材16を歯形部8,8の下に挿入し、相隣接する伸縮
継手1,1の本体シール板6,6に重ねて押し付ける。
これにより、本体シール板6と接続用シール板13とは
未加硫ゴムシール材16によって接着された状態になる
が、上記両シール板6,13は鋼板によって形成されて
いるから当該接着作業時に不規則に変形することがな
い。
Then, the sealing plate 13 and the rubber sealing material 16 for connection are inserted under the toothed portions 8 and 8 from the linear play gaps 11 and 11 connected in a straight line, and the expansion joints 1 and 2 adjacent to each other are inserted. The sheet is pressed against the main body sealing plates 6 and 6.
As a result, the main body sealing plate 6 and the connection sealing plate 13 are bonded by the unvulcanized rubber sealing material 16. However, since the sealing plates 6 and 13 are formed of a steel plate, they are not bonded during the bonding operation. It is not transformed into rules.

【0019】次に、上記直線状遊隙11,11より接続
用押え板14を挿入し、これを接続用シール板13の両
側の上縁部に当て、ボルトによってこの接続用シール板
13を本体シール板6及び接続用ゴムシール材16と共
に縦基板7に締付固定する。しかる後に、上記伸縮継手
1の両側の上記切欠段部2a,2aに後打ちコンクリー
ト4,4を打設する。
Next, a connection holding plate 14 is inserted from the linear play gaps 11 and 11 against the upper edges of both sides of the connection seal plate 13, and the connection seal plate 13 is bolted to the main body. Along with the sealing plate 6 and the rubber sealing material 16 for connection, it is fastened and fixed to the vertical substrate 7. Thereafter, post-cast concrete 4 is poured into the notch steps 2a on both sides of the expansion joint 1.

【0020】なお、伸縮継手1の両側に後打ちコンクリ
ート4,4を打設した後に接続用シール板13による本
体シール板6,6の接続を行なうようにすることもでき
る。
It is also possible to connect the main body sealing plates 6, 6 by the connecting sealing plate 13 after placing the post-cast concrete 4, 4 on both sides of the expansion joint 1.

【0021】図7には他のシール板接続方法が示されて
いる。先の例では伸縮継手1に直線状遊隙11が形成さ
れていたが、この例の伸縮継手21は直線状遊隙がない
場合である。その場合には、伸縮継手21を道路橋継目
部に固定する前にシール板の接続を行なう。
FIG. 7 shows another sealing plate connection method. In the previous example, the linear joint 11 was formed in the expansion joint 1, but the expansion joint 21 of this example is a case where there is no linear play. In that case, the connection of the seal plate is performed before fixing the expansion joint 21 to the road bridge joint.

【0022】すなわち、上記切欠段部内において、図7
に示すように、伸縮継手21の継手部材25,25を上
側が広くなるように逆「ハ」の字状に開き、この広くな
った歯形部8,8の隙間から上記接続用のシール板13
及びゴムシール材16を歯形部8の下に挿入し、本体シ
ール板6に重ねる。そして、先と同様の接続用押え板の
挿入、締付を行なった後に、上記両継手部材25,25
を起立状態として、道路橋継目部に固定し後打ちコンク
リートを打設する。
That is, in the above notch step, FIG.
As shown in the figure, the joint members 25, 25 of the expansion joint 21 are opened in an inverted "C" shape so that the upper side is widened, and the seal plate 13 for connection is opened from the gap between the widened tooth profiles 8, 8.
Then, the rubber sealing material 16 is inserted under the tooth portion 8, and overlaps the main body sealing plate 6. After inserting and tightening the connection holding plate as described above, the two joint members 25, 25 are inserted.
With standing upright, fix it at the seam of the road bridge and pour post-cast concrete.

【0023】<実施形態2>本実施形態は図8に示され
ている。すなわち、先の例ではシール板がU字状に曲げ
られていたが、この例では本体シール板26、接続用シ
ール板33及び接続用ゴムシール材36がV字状に曲げ
られている。他は実施形態1と同じである。
<Embodiment 2> This embodiment is shown in FIG. That is, in the above example, the seal plate is bent in a U-shape, but in this example, the main body seal plate 26, the connection seal plate 33, and the connection rubber seal material 36 are bent in a V shape. Others are the same as the first embodiment.

【図面の簡単な説明】[Brief description of the drawings]

【図1】道路橋伸縮装置の断面図FIG. 1 is a cross-sectional view of a road bridge extension device.

【図2】継目長手方向に連なった伸縮継手の継手部材を
示す斜視図
FIG. 2 is a perspective view showing a joint member of an expansion joint connected in a longitudinal direction of the seam.

【図3】伸縮継手のシール板及びゴムシール材と接続用
のシール板及びゴムシール材とを示す斜視図
FIG. 3 is a perspective view showing a seal plate and a rubber seal material of an expansion joint and a seal plate and a rubber seal material for connection;

【図4】継目長手方向に連なった伸縮継手を一部切り欠
いて示す平面図
FIG. 4 is a plan view showing an expansion joint connected in the longitudinal direction of the seam, with a portion cut away.

【図5】図4のA−A線断面図FIG. 5 is a sectional view taken along line AA of FIG. 4;

【図6】図4のB−B線断面図FIG. 6 is a sectional view taken along line BB of FIG. 4;

【図7】シール板の他の接続方法を示す断面図FIG. 7 is a sectional view showing another connection method of the seal plate.

【図8】実施形態2のシール板接続構造を示す断面図
(図6と同様の断面図)
FIG. 8 is a cross-sectional view showing the seal plate connection structure of the second embodiment (a cross-sectional view similar to FIG. 6).

【符号の説明】[Explanation of symbols]

1,21 伸縮継手 2 床版 3 舗装 4 後打ちコンクリート 5,25 継手部材 6,26 本体シール板 7 縦基板 8 歯形部 8a 凸部 9 波形遊隙 11 直線状遊隙 12 本体押え板 13,33 接続用シール板 14,34 本体押え板 15 ゴムシール材 16 接続用ゴムシール材 1,21 Expansion joint 2 Floor slab 3 Pavement 4 Back-cast concrete 5,25 Joint member 6,26 Body seal plate 7 Vertical board 8 Toothed portion 8a Convex portion 9 Corrugated play 11 Linear play 12 Main body holding plate 13,33 Seal plate for connection 14, 34 Body holding plate 15 Rubber seal material 16 Rubber seal material for connection

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 橋軸方向に向合う縦基板の各々の上端
に、ジグザグに曲折して継目長手方向に延びる波形遊隙
を形成するように、複数の凸部が継目長手方向に間隔を
おいて交互に相手側へ突出した歯形部が形成されてなる
複数の伸縮継手を備え、この複数の伸縮継手が道路橋の
継目部において継目長手方向に連接されている道路橋伸
縮装置において、 中央に撓み部を有し継目長手方向に延びる可撓性の金属
製シール板の両側縁部が上記各伸縮継手の相対する縦基
板の対向する内面に固定されていて、 上記シール板と同様の撓み部を有する可撓性の金属製接
続用シール板が継目長手方向に相隣接する両伸縮継手の
シール板に股がって重ねられて該両シール板に接着され
ていることを特徴とする道路橋伸縮装置。
1. A plurality of projections are spaced apart in the longitudinal direction of the joint so as to form a wavy play at the upper end of each of the vertical substrates facing in the bridge axis direction so as to bend in a zigzag manner and extend in the longitudinal direction of the joint. And a plurality of expansion joints formed with toothed portions that alternately protrude to the other side, and the plurality of expansion joints are connected in the seam portion of the road bridge in the seam longitudinal direction. Both side edges of a flexible metal sealing plate having a bending portion and extending in the longitudinal direction of the joint are fixed to opposing inner surfaces of the vertical substrates facing each other of the expansion joints, and the same bending portion as the sealing plate A road bridge, characterized in that a flexible metal connection seal plate having the following structure is stretched over the seal plates of both expansion joints adjacent to each other in the seam longitudinal direction and is adhered to the seal plates. Telescopic device.
JP20085995A 1995-08-07 1995-08-07 Seal structure of road bridge expansion and contraction device Expired - Fee Related JP2653994B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20085995A JP2653994B2 (en) 1995-08-07 1995-08-07 Seal structure of road bridge expansion and contraction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20085995A JP2653994B2 (en) 1995-08-07 1995-08-07 Seal structure of road bridge expansion and contraction device

Publications (2)

Publication Number Publication Date
JPH0949204A JPH0949204A (en) 1997-02-18
JP2653994B2 true JP2653994B2 (en) 1997-09-17

Family

ID=16431415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20085995A Expired - Fee Related JP2653994B2 (en) 1995-08-07 1995-08-07 Seal structure of road bridge expansion and contraction device

Country Status (1)

Country Link
JP (1) JP2653994B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101579046B1 (en) 2015-11-04 2015-12-18 주식회사 대일휀스 Expansion joint apparatus for bridge having improved water leakage prevention function

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4802946B2 (en) * 2006-08-31 2011-10-26 横浜ゴム株式会社 Water stop structure of road bridge telescopic device
JP5164234B2 (en) * 2009-07-04 2013-03-21 横浜ゴムMbジャパン株式会社 Expansion joint for bridge
JP2011080282A (en) * 2009-10-08 2011-04-21 Motonosuke Arai Expansion device of joint section of road bridge
JP6227280B2 (en) * 2013-05-21 2017-11-08 ニッタ株式会社 Telescopic device for road

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101579046B1 (en) 2015-11-04 2015-12-18 주식회사 대일휀스 Expansion joint apparatus for bridge having improved water leakage prevention function

Also Published As

Publication number Publication date
JPH0949204A (en) 1997-02-18

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