[1]张博,宰金珉,庄海洋.深软场地上考虑土-结构相互作用的斜拉桥被动控制分析[J].世界地震工程,2009,(01):057-63.
 ZHANG Bo,ZAI Jinmin,ZHUANG Haiyang.Analysis of passive control of cable-stayed bridge on deep soft site considering soil-structure interaction[J].,2009,(01):057-63.
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深软场地上考虑土-结构相互作用的斜拉桥被动控制分析
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《世界地震工程》[ISSN:/CN:]

卷:
期数:
2009年01期
页码:
057-63
栏目:
论文
出版日期:
2009-03-30

文章信息/Info

Title:
Analysis of passive control of cable-stayed bridge on deep soft site considering soil-structure interaction
作者:
张博 宰金珉 庄海洋
南京工业大学土木工程学院 江苏南京210009
Author(s):
ZHANG Bo ZAI Jinmin ZHUANG Haiyang
Department of Civil Engineering, Nanjing University of Technology, Nanjing 210009, China
关键词:
深软场地斜拉桥地震反应被动控制土-结构动力相互作用
Keywords:
deep soft sitecable-stayed bridgeearthquake responsevibration passive controlsoil-structure interaction
分类号:
TU435;U442.5+5;P315.98
摘要:
结合某一工程,采用软土粘塑性动力本构模型,在合理模拟深软场地非线性基础上讨论土-结构动力相互作用对斜拉桥被动控制效果的影响。利用软件ABAQUS建立了深软场地-桩基-斜拉桥三维有限元模型,作为对比,建立了深软场地上不考虑土-结构动力相互作用的常规刚性地基模型,通过时程分析法计算斜拉桥地震反应。计算结果表明:深软场地上考虑土-结构动力相互作用后,斜拉桥被动控制效果下降;在刚性地基上取得良好减震效果的被动控制手段若照搬至柔性地基上,可能不仅减震效果不好,还会给桥梁结构增加内力负担。
Abstract:
In the light of a specific project,a new viscous plastic model of soil is proposed.An analysis of vibration passive control of cable-stayed bridge considering soil-structure interaction is conducted.Both the cable-stayed bridge analytic models with considering rigid foundation and thick soft site-pile foundation are built up by using software ABAQUS.The seismic responses of the two bridge models are analyzed by using time history analysis.The results show that the passive control effect decreases with considering soil-structure interaction and if the passive control designed for bridges on rigid foundation is used to bridges on soft soil foundation,it can make negative effect on the inner force of the bridge.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2008-7-16;改回日期:2008-11-10。
基金项目:国家自然科学基金项目(30400592);哈尔滨市后备带头人基金项目(2004AFXXJ030)
作者简介:张博(1982- ),男,硕士研究生,主要从事桥梁抗震研究.E-mail:xxwylp@126.com
更新日期/Last Update: 1900-01-01