Detailed Aseismic Survey of Public Structures Damaged by the Taiwan Chi-Chi Earthquake and the Iran Bam Earthquake

台湾集集地震和伊朗巴姆地震受损公共建筑的详细抗震调查

基本信息

批准号：
17404007
负责人：
KOSA Kenji
金额：
$ 5.79万
依托单位：
Kyushu Institute of Technology
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2005
资助国家：
日本
起止时间：
2005 至 2007
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17404007/
关键词：
Bridge Earthquake damage Dynamic analysis Damage analysis RC structure

项目摘要

The following conclusions were drawn from the field investigation and detailed analysis conducted on earthquake damages in the Taiwan Chi-Chi Earthquake and Iran Bam Earthquake :(1) Damage analysis was conducted on the Chang-Geng Bridge damaged by the mutual pounding of girders during the Taiwan Chi-Chi Earthquake, utilizing the results of field surveys and detailed drawings provided by the Taiwan side. The abutment of the bridge was modeled by incorporating field survey results. The nonlinear dynamic analysis with consideration for girder pounding reproduced the development process of actual damage, in which girders pounded each other after the supports had failed due to the inertia force of the superstructure, smashed into the abutment parapet, and then forced into the soil behind the abutment for about 1 m.(2) Detailed damage analysis and evaluation of aseismic capacity were conducted on the PC cable-stayed bridge damaged by the Taiwan Chi-Chi Earthquake. From the nonlinear dynamic analysis, it was found that the damage to the bottom of the RC pylon was caused by the higher-order deformation mode that appeared at the pylon. Then, from the parameter analysis, it was found that the response could be extremely large in the case of long-period structures like PC cable-stayed bridges, due to the effect of seismic waves in which long-period components are predominant.(3) Field survey was conducted on the public structures that were damaged by the Iran Bam Earthquake in December, 2003. Among the structures surveyed, damage analysis was performed specifically on the damaged bridges. The non-linear time history response analysis reproduced the development of the damage, in which RC girders pounded each other and moved on the piers after the supports had reached the maximum friction force due to the inertia force during the earthquake, causing gaps and residual displacements between girders.

从现场调查中得出了以下结论，以及对台湾Chi-Chi地震中的地震损害进行的详细分析，对台湾Chi-chi地震期间在台湾奇维斯（Taiwan Chi-Chi）地震期间的相互撞击，利用菲尔德（Field）和细节的详细图纸进行了损坏。通过合并现场调查结果来对桥的基台进行建模。非线性动态分析和考虑因围墙的考虑重现了实际损害的开发过程，在支撑物的支撑剂失败后，叶子互相敲打，由于上层结构的惯性力而失败，被砸入基底栏杆中，然后被强迫在基因后面的土壤后面被迫延伸到桥面后面的土壤后，大约是1 m。台湾Chi-chi地震。从非线性动态分析中，发现RC塔底部的损坏是由出现在塔处的高阶变形模式引起的。然后，从参数分析中，发现在长期结构（如PC缆桥）的情况下，响应可能非常大，这是由于地震波的影响，其中长期周期组件主要是对伊朗BAM在2003年12月对伊朗BAM地震造成的损害的公共结构，对2003年12月进行了损害，该结构对结构进行了损害。非线性时间历史记录响应分析重现了损害的发展，其中RC大梁互相撞击并在支撑物在地震期间由于惯性力而达到最大摩擦力，在码头上移动，从而导致大梁之间的间隙和残留位移。

项目成果

期刊论文数量（0）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Damage Analysis of a Bridge Affected by the Chi-Chi Earthquake-

受Chi-Chi地震影响的一座桥梁的损坏分析-

DOI：
发表时间：
2005
期刊：
Proceedings of JSCE Vol.72
影响因子：
0
作者：
Tazaki;K.;Kosa;K.;Yamaguchi;E.;Shoji;G
通讯作者：
G

段落し部を有するPC橋梁の損傷分析

阶梯断面PC桥损伤分析

DOI：
发表时间：
2008
期刊：
構造工学論文集 Vol.54
影响因子：
0
作者：
Miyashita;Y.;K. Hosokawa;T. Hori;Y. Kamide;S. Machida;N. Sato;A. S. Yukimatu;M. Fujimoto;I. Shinohara;T. Mukai;Y. Saito;J. B. Sigwarth;T.Endo;斎藤文紀;幸左賢二・津吉毅・加藤啓介・濱本朋久
通讯作者：
幸左賢二・津吉毅・加藤啓介・濱本朋久

Studies on Strengthening Effects of PC Cable Stayed Bridges Damaged by Earthquake

预应力混凝土斜拉桥震损加固效果研究