Design and Experimental Performance Evaluation of Lens-type Shear Panel Dampers for Highway Bridge Bearings

Material type: 文書・図像類

Author: TAKAKU, Tatsumasaほか

Publisher: 愛知工業大学耐震実験センター

Publication date: 2011-09-07

Material Format: Digital

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Note (General)：: This paper describes lins-type shear damper newly developed for highway bridge bearing. It utilizes low-yield steel LY100 and concave lins-shape pane...

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Material Type: 文書・図像類
Title: Design and Experimental Performance Evaluation of Lens-type Shear Panel Dampers for Highway Bridge Bearings
Author/Editor: TAKAKU, Tatsumasa
FENG, Chen
IMAI, Yasuji
HARADA, Takashi
ISHIYAMA, Masayuki
YAMSAKI, Nobuhiro
AOKI, Tetsuhiko
FUKUMOTO, Yuhshi
Author Heading: TAKAKU, Tatsumasa
FENG, Chen
IMAI, Yasuji
HARADA, Takashi
ISHIYAMA, Masayuki
YAMSAKI, Nobuhiro
AOKI, Tetsuhiko
FUKUMOTO, Yuhshi
Publication, Distribution, etc.: 愛知工業大学耐震実験センター
Publication Date: 2011-09-07
Publication Date (W3CDTF): 2011-09-07
Periodical title: 愛知工業大学耐震実験センター年次報告書＝Annual Report of the Seismic Resistance Experiment Center
No. or year of volume/issue: vol.3
Volume: vol.3
Pages: 61-71
Text Language Code: eng
Subject Heading: Shear Panel Damper
Seismic Desigh
Bridge Bearing
Dynamic Analysis
Low Yield Steel
Target Audience: 一般
Note (General): This paper describes lins-type shear damper newly developed for highway bridge bearing. It utilizes low-yield steel LY100 and concave lins-shape panels. Both properties provide low strength and high ductility which are major requirements for damping devices, then contributes to high energy dissipation against seismic motion. Large deformation due to high speed strain velocity causes steel lens plate heating up to 400-500 centigrade in a moment. Earthquake energy is converted both to strain energy and heat energy. Cumulative deformation capacity of lens identity determines ultimate state of failures associated with strength and life time, dependent on time history of level-2 desibn earthquake(EQ). Fracture is roughly estimated by Miners rule esing damage index method. Prediction matches well with testing results. As case study with dampers, dynamic analysis on the existing continuous bridges has been conducted with some design parameters. The base shear acceleration due to livel-2 earthquake reduces down to 0.45g～0.5g from 0.8g of lead rubber bearing system. For planning of bridge system with dampers, 1-DOF model is simply useful to roughly know the base shear with dampers at the initial stage of planning onil when dead load is known. Design methods and experimental performance evaliation results are reported.
identifier:http://repository.aitech.ac.jp/dspace/handle/11133/2637
Format (IMT): application/pdf
Source: http://repository.aitech.ac.jp/dspace/bitstream/11133/2637/1/%e8%80%90%e9%9c%873%e5%8f%b7%e7%a0%94%e7%a9%b6%e8%ab%96%e6%96%877%28P61-71%29.pdf
http://repository.aitech.ac.jp/dspace/bitstream/11133/2637/1/%e8%80%90%e9%9c%873%e5%8f%b7%e7%a0%94%e7%a9%b6%e8%ab%96%e6%96%877%28P61-71%29.pdf
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 愛知工業大学 : 愛知工業大学学術情報リポジトリ