JPH11131425A - Side block for bridge girder rubber bearing body - Google Patents
Side block for bridge girder rubber bearing bodyInfo
- Publication number
- JPH11131425A JPH11131425A JP29406997A JP29406997A JPH11131425A JP H11131425 A JPH11131425 A JP H11131425A JP 29406997 A JP29406997 A JP 29406997A JP 29406997 A JP29406997 A JP 29406997A JP H11131425 A JPH11131425 A JP H11131425A
- Authority
- JP
- Japan
- Prior art keywords
- block
- rubber bearing
- bearing body
- bridge girder
- height
- 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
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、橋桁ゴム支承体
のサイドブロックにかかわり、更に詳しくはゴム支承体
の橋軸方向に作用する大水平力に応して、その大水平力
に対応して容易に製作できる橋桁ゴム支承体のサイドブ
ロックに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a side block of a bridge girder rubber bearing, and more particularly, to a large horizontal force acting on a rubber bearing in a bridge axis direction. The present invention relates to a side block of a bridge girder rubber bearing that can be easily manufactured.
【０００２】[0002]
【従来の技術】従来、橋桁の橋軸方向（矢印Ｘ方向）に
は、図４及び図５に示すようなゴム状弾性シートと鋼板
とを積層させたゴム支承体１が設置され、このゴム支承
体１の橋軸方向の両側には、ゴム支承体１に作用する水
平力Ｆによる水平変位を制限する逆Ｔ字状の鋼材を用い
て製作した所定高さｈのサイドブロック本体２が固定し
てある。2. Description of the Related Art Conventionally, a rubber bearing 1 in which a rubber-like elastic sheet and a steel plate are laminated as shown in FIGS. 4 and 5 is installed in the direction of the bridge axis (direction of arrow X) of a bridge girder. On both sides of the support 1 in the bridge axis direction, a side block body 2 having a predetermined height h manufactured using an inverted T-shaped steel material for limiting horizontal displacement due to a horizontal force F acting on the rubber support 1 is fixed. I have.
【０００３】[0003]
【発明が解決しようとする課題】然しながら、ゴム支承
体１の高さや、設計水平力が大きくなる従いサイドブロ
ック本体２に作用するモーメントが大きくなり、これに
抵抗するため、サイドブロック本体２の幅を大きくしな
ければならず、遂には必要鋼材が製造不可能な寸法とな
ってしまうと言う問題があった。However, as the height of the rubber bearing 1 and the design horizontal force increase, the moment acting on the side block body 2 increases. Therefore, there is a problem that the required steel material finally becomes a dimension that cannot be manufactured.
【０００４】また、取付けボルト３の径や本数を増加す
る場合も考えられるが、平面が大きくなってしまいゴム
支承体が複雑になると共に、取付け作業に多くの手間と
時間がかかると言う問題があった。この発明の目的は、
ゴム支承体の高さや設計水平力が大きくなっても、ブロ
ック本体を大きくしたり、複雑な構造にすることなく、
大水平力に対応して容易に製作できる橋桁ゴム支承体の
サイドブロックを提供することにある。Further, it is conceivable that the diameter or the number of the mounting bolts 3 is increased. However, there is a problem that the flat surface becomes large, the rubber bearing body becomes complicated, and the mounting work requires much labor and time. there were. The purpose of this invention is
Even if the height of the rubber bearing and the design horizontal force increase, without increasing the size of the block body or making it a complicated structure,
An object of the present invention is to provide a side block of a bridge girder rubber bearing that can be easily manufactured in response to a large horizontal force.
【０００５】[0005]
【課題を解決するための手段】この発明は、上記目的を
達成するため、ブロック本体を高さ方向に複数に分割し
て構成し、該ブロック本体を、上面側及び支持プレート
側から複数本の締結ボルトにより締め付け固定したこと
を要旨とするものである。このように、ブロック本体を
高さ方向に複数に分割して構成することにより、上部
側，下部側のブロックをそれぞれゴム支承体の高さに対
応した製造可能な鋼板の厚さ範囲に設計することが出
来、所要の全サイドブロックの高さを得ることが出来
る。According to the present invention, in order to achieve the above object, a block main body is divided into a plurality of parts in a height direction, and the block main body is divided into a plurality of blocks from an upper surface side and a support plate side. The gist of the invention is that it is fastened and fixed by fastening bolts. In this way, by dividing the block body into a plurality of parts in the height direction, the upper and lower blocks are designed to have a thickness range of a manufacturable steel sheet corresponding to the height of the rubber bearing member. To obtain the required height of all the side blocks.
【０００６】またブロック本体の水平力方向の幅は自由
度があるので、締結ボルトにかかる引張り力を適切にす
ることが出来、この結果、ゴム支承体の全体を合理的な
平面寸法とすることが出来るものである。Further, since the width of the block body in the horizontal force direction has a degree of freedom, the tensile force applied to the fastening bolt can be made appropriate. As a result, the entire rubber bearing body has a reasonable plane dimension. Can be done.
【０００７】[0007]
【発明の実施の形態】以下、添付図面に基づきこの発明
の実施の形態を説明する。図１は、この発明を実施した
ゴム支承体１１の橋軸方向の半断面図を示し、ゴム支承
体１１の橋軸方向（矢印Ｘ方向）の両側、即ち、起点側
Ｘａと終点側Ｘｂには、ゴム支承体１１の水平変位を制
限するブロック本体１２が設置してある。Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a half cross-sectional view in the bridge axis direction of a rubber bearing body 11 embodying the present invention. Both sides of the rubber bearing body 11 in the bridge axis direction (arrow X direction), that is, on the starting side Xa and the end point Xb. In the figure, a block body 12 for limiting the horizontal displacement of the rubber bearing 11 is provided.
【０００８】前記ブロック本体１２は、図２及び図３に
示すように、ブロック本体１２を高さ方向Ｈに複数に分
割して構成してある。即ち、この発明の実施形態では、
ブロック本体１２を断面凸状の上部側ブロック１３と、
この上部側ブロック１３の下面側を支持する下部側ブロ
ック１４とにより構成し、上部側ブロック１３の凸部１
３ａの両側に位置する袖部１３ｂ，１３ｂと、下部側ブ
ロック１４とを複数本の締結ボルト１５ａにより締め付
け固定すると共に、下部側ブロック１４とゴム支承体１
１の支持プレート１６とを、複数本の締結ボルト１５ｂ
により締め付け固定する。[0010] As shown in FIGS. 2 and 3, the block main body 12 is configured by dividing the block main body 12 into a plurality in the height direction H. That is, in the embodiment of the present invention,
An upper side block 13 having a convex cross section;
The lower block 14 supports the lower surface of the upper block 13.
The sleeves 13b, 13b located on both sides of the lower block 3a and the lower block 14 are fastened and fixed by a plurality of fastening bolts 15a, and the lower block 14 and the rubber support 1 are fixed.
One support plate 16 and a plurality of fastening bolts 15b
To secure.
【０００９】なお、上記の実施形態では、ブロック本体
１２の高さを上下２分割にして構成してあるが、２分割
以上に分割して構成することも可能である。また、図１
に示すように、ゴム支承体１の終点側Ｘｂにおける上部
側ブロック１３と下部側ブロック１４との間、及び下部
ブロック１４と支持プレート１６との間に、サイドブロ
ックキー１７を介在させてある。In the above-described embodiment, the height of the block main body 12 is divided into upper and lower two parts, but it may be divided into two or more. FIG.
As shown in FIG. 2, a side block key 17 is interposed between the upper block 13 and the lower block 14 and between the lower block 14 and the support plate 16 at the end point Xb of the rubber bearing 1.
【００１０】以上のように、ブロック本体１２を高さ方
向に複数に分割して構成することにより、上部側，下部
側のブロック１３，１４をそれぞれゴム支承体１１の高
さに対応した製造可能な鋼板の厚さ範囲に設計すること
が出来、所要の全サイドブロックの高さを得ることが出
来る。またブロック本体１２の水平力方向の幅は自由度
があるので、締付ボルト１５ａ，１５ｂにかかる引張り
力を適切にすることが出来、この結果、ゴム支承体１１
の全体を合理的な平面寸法とすることが出来るものであ
る。As described above, by dividing the block main body 12 into a plurality of parts in the height direction, the upper and lower blocks 13 and 14 can be manufactured according to the height of the rubber bearing member 11, respectively. It can be designed to have a thickness range of various steel plates, and the required height of all side blocks can be obtained. Further, since the width of the block body 12 in the horizontal force direction has a degree of freedom, the tension force applied to the tightening bolts 15a and 15b can be made appropriate, and as a result, the rubber bearing body 11 can be obtained.
Can have a reasonable plane dimension.
【００１１】また、ブロック本体１２の水平力Ｆは、分
割された上部側及び下部側のブロック１３，１４を固定
する締付ボルト１５ａ，１５ｂの締め付け力Ｔ１，Ｔ２
でそれぞれ作用高さｈ１，ｈ２にて支持することが出来
るので、ブロック本体１２の形状を大きくすることな
く、所要の寸法で分割されたブロック本体１２を製作す
ることが出来る。The horizontal force F of the block body 12 is equal to the tightening forces T1, T2 of the tightening bolts 15a, 15b for fixing the divided upper and lower blocks 13, 14.
Therefore, the block main body 12 divided into required dimensions can be manufactured without enlarging the shape of the block main body 12.
【００１２】以上のように、この発明ではブロック本体
１２を高さ方向に複数に分割して構成することにより、
上部側，下部側のブロック１３，１４をそれぞれゴム支
承体１１の高さに対応した製造可能な鋼板の厚さ範囲に
設計することが出来、所要の全サイドブロックの高さを
得ることが出来る。またブロック本体１１の水平力方向
の幅は自由度があるので、締結ボルト１５ａ，１５ｂに
かかる引張り力を適切にすることが出来、この結果、ゴ
ム支承体１１の全体を合理的な平面寸法とすることが出
来るものである。As described above, according to the present invention, the block main body 12 is divided into a plurality of parts in the height direction.
The upper and lower blocks 13 and 14 can each be designed to have a thickness range of a steel plate that can be manufactured according to the height of the rubber bearing body 11, so that the required height of all side blocks can be obtained. . Further, since the width of the block body 11 in the horizontal force direction has a degree of freedom, the tensile force applied to the fastening bolts 15a and 15b can be made appropriate. As a result, the entire rubber bearing body 11 can be formed with a reasonable plane size and It is something that can be done.
【００１３】[0013]
【発明の効果】この発明は、上記のようにブロック本体
を高さ方向に複数に分割して構成し、該ブロック本体
を、上面側及び支持プレート側から複数本の締結ボルト
により締め付け固定したので、ゴム支承体の高さや設計
水平力が大きくなっても、ブロック本体を大きくした
り、複雑な構造にすることなく、大水平力に対応して容
易に製作でき、またブロック本体の水平力方向の幅は自
由度があるので、締結ボルトにかかる引張り力を適切に
することが出来、この結果、ゴム支承体の全体を合理的
な平面寸法とすることが出来る効果がある。According to the present invention, the block main body is divided into a plurality of parts in the height direction as described above, and the block main body is fastened and fixed by a plurality of fastening bolts from the upper surface side and the support plate side. Even if the height of the rubber bearing and the design horizontal force are large, the block body can be easily manufactured in response to the large horizontal force without increasing the size of the block body or complicating the structure. Has a degree of freedom, so that the tensile force applied to the fastening bolt can be made appropriate, and as a result, the whole rubber bearing body can be made to have a reasonable plane dimension.
【図１】この発明を実施したゴム支承体の橋軸方向の断
面図である。FIG. 1 is a cross-sectional view in the bridge axis direction of a rubber bearing body embodying the present invention.
【図２】この発明の分割したサイドブロックの一部拡大
正面図である。FIG. 2 is a partially enlarged front view of a divided side block according to the present invention.
【図３】図２のＡーＡ矢視側面図である。FIG. 3 is a side view taken along the line AA of FIG. 2;
【図４】従来のサイドブロックの一部拡大正面図であ
る。FIG. 4 is a partially enlarged front view of a conventional side block.
【図５】図４のＢーＢ矢視側面図である。FIG. 5 is a side view taken along the line BB in FIG. 4;
１１ ゴム支承体 １２ ブロック本
体 １３ 上部側ブロック １４ 下部側ブロ
ック １３ａ 凸部 １３ｂ 裾部 １５ａ，１５ｂ 締結ブロック １６ 支持プレ
ート １７ サイドブロックキー Ｘ 橋軸方向 Ｈ ブロック本体の高さ方向DESCRIPTION OF SYMBOLS 11 Rubber bearing body 12 Block body 13 Upper block 14 Lower block 13a Convex part 13b Hem part 15a, 15b Fastening block 16 Support plate 17 Side block key X Bridge axis direction H Height of block body
Claims (2)
承体の水平変位を制限するブロック本体を固定して成る
橋桁ゴム支承体のサイドブロックにおいて、 前記ブロック本体を高さ方向に複数に分割して構成し、
該ブロック本体を、上面側及び支持プレート側から複数
本の締結ボルトにより締め付け固定して成る橋桁ゴム支
承体のサイドブロック。1. A side block of a bridge girder rubber support in which a block body for restricting horizontal displacement of a rubber bearing is fixed to both sides of a rubber bearing in the bridge axis direction, wherein a plurality of said block bodies are arranged in a height direction. Divided into
A side block of a bridge girder rubber support, wherein the block main body is fastened and fixed by a plurality of fastening bolts from an upper surface side and a support plate side.
ブロック間に、サイドブロックキーを介在させた請求項
１に記載の橋桁ゴム支承体のサイドブロック。2. The side block of a bridge girder bearing according to claim 1, wherein a side block key is interposed between the divided blocks of the plurality of divided block bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29406997A JP3992335B2 (en) | 1997-10-27 | 1997-10-27 | Side block of bridge girder rubber bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29406997A JP3992335B2 (en) | 1997-10-27 | 1997-10-27 | Side block of bridge girder rubber bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11131425A true JPH11131425A (en) | 1999-05-18 |
| JP3992335B2 JP3992335B2 (en) | 2007-10-17 |
Family
ID=17802893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29406997A Expired - Lifetime JP3992335B2 (en) | 1997-10-27 | 1997-10-27 | Side block of bridge girder rubber bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3992335B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007297792A (en) * | 2006-04-28 | 2007-11-15 | Kawaguchi Metal Industries Co Ltd | Locking structure of side block in bridge bearing |
-
1997
- 1997-10-27 JP JP29406997A patent/JP3992335B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007297792A (en) * | 2006-04-28 | 2007-11-15 | Kawaguchi Metal Industries Co Ltd | Locking structure of side block in bridge bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3992335B2 (en) | 2007-10-17 |
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