地基土液化对多孔拱桥工程设计的影响分析  

Influence Analysis of Foundation Soil Liquefaction on Design of Multi-Arch Bridge

作　　者：刘双 

机构地区：[1]天津市交通科学研究院,天津300074

出　　处：《中国市政工程》2017年第4期8-11,共4页China Municipal Engineering

摘　　要：结合工程案例,从多方面进行地基土液化对多孔拱桥工程设计的影响分析,并对可液化场地中多孔拱桥工程设计要点进行总结。主要考虑地基土液化影响下拱桥结构方案的比选,介绍地基土液化影响下多孔拱桥计算模型的选择,分析地基土液化影响桩基础抗震设计差异性,提出可液化场地中桩基桥梁施工技术要求。为工程实践提供参考经验。Based on an engineering case, this paper analyses the effect of foundation soil liquefaction on engineering design of multi-arch bridge from various aspects, and summarizes some engineering design key points for multi-arch bridge in liquefiable site. Considering the effect of foundation soil liquefaction, it makes comparison about structural scheme of arch bridge, introduces the selection of the calculation model of multi-archbridge, analyzes the difference of seismic design of pile foundation, and puts forward the construction technical requirements of pile foundation bridge in liquefiable site, which can provide references for engineering practice.

关 键 词：地基土液化 多孔拱桥 桩基础 工程设计 设计要点 

分 类 号：U448.22[建筑科学—桥梁与隧道工程]