[1]康帅,楼梦麟,孔庆梅.土-结构相互作用问题中的放大效应研究[J].世界地震工程,2018,34(01):009-16.
 KANG Shuai,LOU Menglin,KONG Qingmei.Amplification effect of soil structure interaction problem[J].,2018,34(01):009-16.
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土-结构相互作用问题中的放大效应研究
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《世界地震工程》[ISSN:/CN:]

卷:
34
期数:
2018年01期
页码:
009-16
栏目:
出版日期:
2018-09-29

文章信息/Info

Title:
Amplification effect of soil structure interaction problem
作者:
康帅12 楼梦麟2 孔庆梅1
1. 河南大学 土木建筑学院, 河南 开封 475001;
2. 同济大学 土木工程防灾国家重点实验室, 上海 200092
Author(s):
KANG Shuai12 LOU Menglin2 KONG Qingmei1
1. School of Civil Engineering and Architecture of Henan University, Kaifeng 475001, China;
2. State Key Laboratory of Disaster Reduction in Civil Engineering of Tongji University, Shanghai 200092, China
关键词:
振动台试验土-结构相互作用类共振放大效应
Keywords:
shaking table testsoil-structureinteractionpseudo-resonanceamplification effect
分类号:
TU4
摘要:
在土-结构动力相互作用问题的研究中,当土层与结构的自振频率相接近时,可能会出现类共振,对此进行了土-框架结构相互作用的振动台试验,将试验结果与刚性地基情况进行对比,选取的指标包括加速度、层间位移及应变峰值。结果表明:考虑土-结构相互作用的影响后,加速度、层间位移和框架应变均较刚性地基时有大幅的增加,应变峰值比最大可达到7倍,加速度峰值比最大可达5倍多,而位移峰值比最大约3倍左右。
Abstract:
In the study of soil structure dynamic interaction,when vibration frequency of the soil layer is close to the structure, there may occur pseudo-resonance phenomenon.The shaking table test of soil structure interaction is carried out and discussed in this paper. And test results are compared with rigid foundation. The selected indicators include acceleration, inter layer displacement and strain peak value. Results show that when influence of soil structure interaction is considered, acceleration, storey displacement and frame strain are greatly increased when compared with rigid foundation. Strain peak ratio can up to 7 times, the acceleration peak ratio is more than 5 times, and the displacement peak ratio is about 3 times at the most.

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备注/Memo

备注/Memo:
收稿日期:2016-11-16;改回日期:2017-04-07。
基金项目:国家自然科学基金资助项目(51408195);河南省教育厅科学技术研究重点项目(项目编号:16A560029)
作者简介:康帅(1983-),男,讲师,博士,主要从事工程结构抗震与防灾、土-结构动力相互作用等研究.E-mail:kangshuai@henu.edu.cn
通讯作者:楼梦麟(1947-),男,教授,博士,主要从事工程结构抗震研究.E-mail:lml@tongji.edu.cn
更新日期/Last Update: 1900-01-01