桥基场地砂土液化问题的经验判别

Experiential discrimination of sandy soil liquefaction problem about the venue of bridge-site's foundation

通过分析荆州长江大桥桥基场地的工程地质特征,引出了此类场地砂土液化的问题。在此基础上,对砂土液化的判别方法进行了选定,并探讨了砂土液化问题的三种经验判别方法。运用此三种经验判别方法,结合工程实际对荆州长江公路大桥的桥基场地进行了液化评价,并提出了荆州长江大桥的基础设计。

Through analyzes the engineering geological characteristics of the Jingzhou Yangtze River Bridge-site＇s foundation,has drawnout the question which sandy soil liquefies at this kind of location.On this basis,the discrimination method of sandy soil liquefaction has been chosen,and probe into the three experiential methods of sandy soil liquefaction.With this three methods,evaluated the Jingzhou Yangtze River Bridge-site＇s foundation according to the actuals of project,and put forward the basic design of Jingzhou Yangtze River Bridge.