[1]张玉红,汤卓文,王长林.移动荷载作用下土体动力响应的参数影响分析Ⅱ 列车—轨道—地基系统[J].西安建筑科技大学学报:自然科学版,2011,43(01):44-047.[doi:DOI:10.15986/j.1006-7930.2011.01.003]
 ,The effect analysis of dynamic response of soil under moving loadⅡ Train—track—ground system[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2011,43(01):44-047.[doi:DOI:10.15986/j.1006-7930.2011.01.003]
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移动荷载作用下土体动力响应的参数影响分析
Ⅱ 列车—轨道—地基系统
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
43
期数:
2011年01期
页码:
44-047
栏目:
出版日期:
2011-02-28

文章信息/Info

Title:
The effect analysis of dynamic response of soil under moving load
Ⅱ Train—track—ground system
文章编号:
1006-7930(2011)01-0044-04
作者:
张玉红汤卓文王长林
(佛山科学技术学院土木工程与建筑系,广东佛山528000)
Author(s):
ZHANG Yu-hongTANG Zhuo-wenWANG Chang-lin
(Department of Civil Engineering and Architecture,Foshan University,Foshan 528000,China
关键词:
双自由度车体交通荷载动力响应
Keywords:
:double freedom degree systemtransit loaddynamic respons
分类号:
TU435
DOI:
DOI:10.15986/j.1006-7930.2011.01.003
文献标志码:
A
摘要:
 采用移动坐标系,用双自由度体系模拟作用于轨道体系的车体荷载,结合粘弹性半空间积分变换解,
求出列车———轨道———地基系统动力响应基本解.算例验证表明本文分析方法的正确性,数值分析了荷载移
动速度、频率和土体弹性模量对系统动力响应的影响,并与荷载直接作用在地基上时地基土响应作比较,给出
对工程实践有意义的结论.
Abstract:
Based on the moving coordinate and the Navier’s integral transform solutions,simulating the transit load by
double freedom degree system,dynamic equations of train—track—ground system are solved,and the analytical solutions
are derived exactly.A comparative and verifiable analysis indicates that the solutions are accurate.The effects of velocity
and frequency of the moving load and elastic modulus of soils on dynamic response of system are investigated and compared
 with viscous-elasticity half-space,which is of significance to the engineering.

参考文献/References:

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[6] 王国波.移动荷载作用下地基土动力响应计算方法的研究[D].武汉:武汉理工大学,2003.
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[7] 张玉红,汤卓文,王长林.荷载移动速度对土体动力响应的影响分析:Ⅰ粘弹性半空间[J].西安建筑科技大学学
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备注/Memo

备注/Memo:
收稿日期:2009-08-31  修改稿日期:2010-02-10
基金项目:广东省自然科学基金资助项目(06029445);佛山市科技发展专项资金资助项目(2006034B)
作者简介:张玉红(1963-),女,河南荥阳人,博士,教授,主要从事土体-结构动力相互作用的研究.
更新日期/Last Update: 2015-11-01