荆州长江大桥桥基场地砂土液化试验分析  

Analysis on sandy soil liquefaction test of bridge foundation site for Jingzhou yangtze river bridge

作　　者：何晓鸣[1] 吕金永[1] 

机构地区：[1]武汉工业学院交通研究所,湖北武汉430023

出　　处：《武汉工业学院学报》2009年第3期113-115,共3页Journal of Wuhan Polytechnic University

基　　金：湖北省教育厅科研计划项目(D20081803)

摘　　要：对荆州长江大桥桥基场地进行砂土液化试验,由试验结果得到砂土层在不同振动次数下的抗液化强度和地震作用时的等效平均剪应力,对两者进行比较,从而可知砂土层发生液化的可能性。由液化的深度和液化指数,对桥基进行了液化评价,评价的结果可以给大桥的桥基设计提供相关的参数。To ensure the safety of bridge foundation of Jingzhou Yangtze River Bridge, soil liquefaction test and evaluation on foundation site is absolutely necessary. Soil liquefaction test has been done, and liquefaction resistance of soil layers under different vibration number and average sheer stress under earthquake action are obtained from the results, and then the liquefaction possibility of soil layers can be got. According to the liquefaction depth and liquefaction index, the liquefaction evaluation has been done, and Design Parameters will be got from these results.

关 键 词：桥基 砂土液化 液化评价 

分 类 号：TU454[建筑科学—岩土工程]