| 软土场地上双柱式桥墩-桩-土相互作用体系地震反应特性的数值分析 |
| |
| 引用本文： | 李冬来,熊巨华.软土场地上双柱式桥墩-桩-土相互作用体系地震反应特性的数值分析[J].结构工程师,2009,25(2). |
| |
| 作者姓名： | 李冬来 熊巨华 |
| |
| 作者单位： | 同济大学岩土及地下结构教育部重点实验室,地下建筑与工程系,上海,200092 |
| |
| 摘 要： | 以某高速公路桥梁的双柱式桥墩-桩-土相互作用体系为研究对象,采用有限差分软件FLAC3D,通过输入唐山大地震时迁安地震波记录,对双柱式桥墩-桩-土相互作用体系的地震反应进行了三维数值分析,比较了横向与纵向地震时墩柱和桩的地震反应特性,讨论了深厚软土场地上双柱式桥墩-桩-土动力相互作用以及横、纵两个方向的地震波对桥墩地震反应的影响.分析结果表明:不同方向的水平地震时,地面以上墩柱的剪力和水平位移有较大的不同.
|
| 关 键 词： | 双柱式桥墩-桩-土动力相互作用 有限差分法 深厚软土场地 地震反应 |
Numerical Seismic Analysis of Double-Column Bridge Pier-Piles-Soil interaction Systems in Soft Soils |
| |
| LI Donglai,XIONG Juhua.Numerical Seismic Analysis of Double-Column Bridge Pier-Piles-Soil interaction Systems in Soft Soils[J].Structural Engineers,2009,25(2). |
| |
| Authors: | LI Donglai XIONG Juhua |
| |
| Affiliation: | Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education;Department of Geotechnical Engineering;Tongji University;Shanghai 200092;China |
| |
| Abstract: | In this study,the seismic response of a double-column pier-piles-soil interaction(PPSI) system is investigated while the input seismic wave is the Tangshan earthquake record.The three dimensional seismic responses of the double-column pier-piles-soil interaction(PPSI) system are analyzed.The seismic responses of pier are compared when suffering the transverse and lengthways seismic wave.The result is that the seismic response of shear force and displacement of the piers are different when suffering the tran... |
| |
| Keywords: | double-column pier-piles-soil dynamic interaction finite difference method deep soft layers seismic response |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
