[1]文学章,戴进峰.瑞利波作用下桩筏基础的动力响应[J].地震工程与工程振动,2019,39(02):177-182.[doi:10.13197/j.eeev.2019.02.177.wenxz.019]
 WEN Xuezhang,DAI Jinfeng.Kinematic response of piled raft foundations to Rayleigh waves[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2019,39(02):177-182.[doi:10.13197/j.eeev.2019.02.177.wenxz.019]
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瑞利波作用下桩筏基础的动力响应
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《地震工程与工程振动》[ISSN:/CN:]

卷:
39
期数:
2019年02
页码:
177-182
栏目:
论文
出版日期:
2019-04-30

文章信息/Info

Title:
Kinematic response of piled raft foundations to Rayleigh waves
作者:
文学章12 戴进峰12
1. 湖南大学 土木工程学院, 湖南 长沙 410082;
2. 湖南大学 建筑安全与节能教育部重点实验室, 湖南 长沙 410082
Author(s):
WEN Xuezhang12 DAI Jinfeng12
1. College of Civil Engineering, Hunan University, Changsha 410082, China;
2. Key Laboratory of Building Safety and Energy Efficiency, Ministry of Education, Hunan University, Changsha 410082, China
关键词:
土-结构动力相互作用动力响应瑞利波桩筏基础摇摆响应
Keywords:
dynamic soil-structure interactionkinematic responseRayleigh wavepiled raft foundationrocking response
分类号:
TU41;TP315.93
DOI:
10.13197/j.eeev.2019.02.177.wenxz.019
摘要:
对瑞利波作用下桩筏基础的动力响应进行了数值分析。采用薄层元素法和有限单元法建立了土-桩筏基础动力相互作用的分析模型,并讨论了桩筏基础在瑞利波作用下的水平与摇摆动力响应。讨论了一些重要参数(如桩长、桩距、桩的刚度以及土的泊松比等)对桩筏基础的动力响应的影响。结果表明:不考虑筏板-土相互作用,基础的动力响应在高频区域会产生较大的差别;在瑞利波作用下,桩筏基础会产生显著的摇摆响应,且桩距、桩长和土的泊松比对其影响较大,而桩土刚度比对其影响较小。
Abstract:
A numerical study on kinematic response of piled raft foundations to Rayleigh waves is presented. Utilizing the thin layered element method and the finite element method, an analytical model for dynamic soil-piled raft foundation interaction was established and the horizontal and rocking responses of piled raft foundations to Rayleigh waves were studied. The influence of certain important parameters, such as pile length, pile spacing, pile stiffness and Poisson’s ratio of soil, on the kinematic response of piled raft foundations was investigated. It is shown that:without consideration of the raft-soil interaction, the kinematic response of the foundation is different in the high frequency region. During the passage of Rayleigh wave, significant rocking response is generated on the piled raft foundation. And the pile spacing, pile length and Poisson’s ratio of the soil have a great influence on it, while the pile-soil stiffness ratio has a little influence.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-9-13;改回日期:2018-12-25。
基金项目:国家科技支撑计划项目(2015BAL03B01)
作者简介:文学章(1970-),男,副教授,博士,主要从事土-结构相互作用方面的研究.E-mail:wenxuezhang@hnu.edu.cn
更新日期/Last Update: 1900-01-01