[1]贾磊,李源,解咏平,等.考虑底座滑移的电压发生器塔架结构地震反应分析[J].世界地震工程,2014,(03):053-57.
 JIA Lei,LI Yuan,XIE Yongping,et al.Seismic response analysis of voltage generator tower structure considering base sliding[J].,2014,(03):053-57.
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考虑底座滑移的电压发生器塔架结构地震反应分析
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《世界地震工程》[ISSN:/CN:]

卷:
期数:
2014年03期
页码:
053-57
栏目:
出版日期:
2014-09-30

文章信息/Info

Title:
Seismic response analysis of voltage generator tower structure considering base sliding
作者:
贾磊12 李源2 解咏平2 董云3
1. 兰州交通大学 土木工程学院, 甘肃 兰州, 730070;
2. 石家庄经济学院 勘查技术与工程学院, 河北 石家庄 050031;
3. 同济大学土木工程防灾国家重点实验室, 上海 200092
Author(s):
JIA Lei12 LI Yuan2 XIE Yongping2 DONG Yun3
1. School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China;
2. College of Prospecting Techniques and Engineering, Shijiazhuang University of Economics, Shijiazhuang, 050031, China;
3. State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China
关键词:
直流电压发生器时程分析地震输入抗震性能滑移底座摩擦系数
Keywords:
DC voltage generatortimehistory analysisseismic inputseismic performancesliding basefriction coefficient
分类号:
TM753;TU311.3
摘要:
以明置于室内地面上的大型直流电压发生器塔架结构的抗震计算为例,分别计算了结构在正弦共振调幅5波、正弦共振3波、El Centro地震波激励下的响应,讨论了体系整体性能、底座和基础之间滑移以及摩擦系数对结构地震反应的影响。计算结果表明:提高结构的整体性,可使结构的刚度和自振频率变大,有助于提高该类结构的抗震性能;考虑底座和基础之间的滑移更符合结构地震反应的实际情况;调幅5波或正弦3波下进行结构分析会对结构提出过高的要求,使设计过于保守,建议按同类场地上的实测地震波进行计算,同时通过振动台模型试验深入了解其抗震性能特点。
Abstract:
Taking the time history analysis of large-scale DC voltage generator tower structure located in indoor ground as an example, the separate induced responses under five amplitude modulation sine waves, three sine waves, El Centro seismic wave were calculated in this paper, the impacts of overall performance of structural system, sliding between base and foundation and friction coefficient on structural seismic responses were discussed. The computational results show thatimproving the integrity of the structure could increase the stiffness and fundamental frequency of structure, which is helpful to improvement of the seismic performance of structure; considering slippage between base and foundation is more in accord with the actual situation of structural seismic response;the analysis including five amplitude modulation sine waves and three sine waves will put forward high requirement to structure, which may lead to conservative design.Therefore it should be calculated for the measured seismic waves on similar ground and understand their seismic performance characteristics deeply through shaking table model test.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2013-8-14;改回日期:2014-6-17。
基金项目:河北省科技研究与发展计划项目(11237174)资助;河北省科技支撑计划项目(13274216)资助
作者简介:贾磊(1978-)男,副教授,博士研究生,主要从事岩土工程、防灾减灾方面的科研与教学。E-mail:jialei1978@126.com
更新日期/Last Update: 1900-01-01