上海软粘土微观特性及在土体变形与地面沉降中的作用研究  

THE MICROSCOPIC CHARACTERISTICS OF SHANGHAI SOFT CLAY AND ITS EFFECT ON SOIL MASS DEFORMATION AND LAND SUBSIDENCE

作　　者：龚士良[1] 

机构地区：[1]上海市地质调查研究院,上海200072

出　　处：《工程地质学报》2002年第4期378-384,共7页Journal of Engineering Geology

摘　　要：对上海软粘土的颗粒及集合体成分、孔径分布、微结构、孔隙溶液与阳离子交换性作了分析 ,对固结前后的孔径变化与人工回灌对土体性质可能带来的影响作了探讨 。A large volume of analysis of grain size, aggregate components, pore size and distribution before and after consolidation, and micro-structure and pore solution composition and exchangeable cations of soft clay in Shanghai was conducted. The possible effect of the pore size variation with consolidation and artificial injection is discussed. And the effect of microscopic characteristics of soft clay on consolidation and deformation of soil mass is depicted from physico-chemical theory. At last, in this paper a new ideas of controll on consolidation and deformation of soft clay is presented.

关 键 词：上海 软粘土 微结构 孔隙溶液 固结变形 地面沉降 孔径分布 

分 类 号：TU447[建筑科学—岩土工程]