JP4312026B2 - 支承サイドブロック - Google Patents
支承サイドブロック Download PDFInfo
- Publication number
- JP4312026B2 JP4312026B2 JP2003364330A JP2003364330A JP4312026B2 JP 4312026 B2 JP4312026 B2 JP 4312026B2 JP 2003364330 A JP2003364330 A JP 2003364330A JP 2003364330 A JP2003364330 A JP 2003364330A JP 4312026 B2 JP4312026 B2 JP 4312026B2
- Authority
- JP
- Japan
- Prior art keywords
- side block
- support side
- earthquake
- block
- bearing
- 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
- 238000005452 bending Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Description
Sb 下部構造物
10 支承サイドブロック
11 ブロック本体
12 接続部位
13 取付部
13a 挿通孔
14 セットボルト
20 積層ゴム支承
21 上鋼板
22 下鋼板
23 ゴム挿
24 中間鋼板
25 ゴム支承本体
26 上沓
27 下沓
27a 溝
28 ソールプレート
29,30 せん断キー
y1 支承サイドブロックの降伏荷重
y2 下部構造物の保有水平耐力
Claims (3)
- 上部構造物と下部構造物との接合部に設置したゴム支承の両側に配設され、常時はゴム支承が橋軸方向と直交する方向に変形することによる上部構造物の橋軸直角方向の移動を規制するとともに、大規模地震動の際には想定地震時水平力によってプロテクト機能が解除される一体ものの支承サイドブロックであって、地震発生時にゴム支承の上沓により上部が押されるブロック本体と、該ブロック本体の下部左右からそれぞれねじり破断により最終的に分断される接続部位を介して側方に延設され、ブロック本体を下部構造物に立設させる取付部とからなり、下部構造物の保有水平耐力を越えない想定地震時水平力による曲げモーメントの作用により接続部位がねじり破断を開始するように当該接続部位の上下方向断面積を設計したことを特徴とする支承サイドブロック。
- ブロック本体の上部がゴム支承側に突き出た形状であることを特徴とする請求項1に記載の支承サイドブロック。
- ブロック本体の底面が取付部の底面より高くなっていることを特徴とする請求項1又は2に記載の支承サイドブロック。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003364330A JP4312026B2 (ja) | 2003-10-24 | 2003-10-24 | 支承サイドブロック |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003364330A JP4312026B2 (ja) | 2003-10-24 | 2003-10-24 | 支承サイドブロック |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005127031A JP2005127031A (ja) | 2005-05-19 |
| JP4312026B2 true JP4312026B2 (ja) | 2009-08-12 |
Family
ID=34643341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003364330A Expired - Lifetime JP4312026B2 (ja) | 2003-10-24 | 2003-10-24 | 支承サイドブロック |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4312026B2 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007297792A (ja) * | 2006-04-28 | 2007-11-15 | Kawaguchi Metal Industries Co Ltd | 橋梁支承におけるサイドブロックの固定構造 |
| JP2008133644A (ja) * | 2006-11-28 | 2008-06-12 | Kawaguchi Metal Industries Co Ltd | 橋梁用固定支承構造 |
| JP6162457B2 (ja) * | 2012-04-04 | 2017-07-12 | 株式会社Ihi | 変位制限装置 |
| JP7116644B2 (ja) * | 2018-09-12 | 2022-08-10 | Jr東日本コンサルタンツ株式会社 | 耐震補強方法および橋梁 |
| CN114214928A (zh) * | 2022-01-04 | 2022-03-22 | 辽宁工程技术大学 | 一种形状记忆合金三维复合隔震支座 |
-
2003
- 2003-10-24 JP JP2003364330A patent/JP4312026B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005127031A (ja) | 2005-05-19 |
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