陀螺桩地基土体应力分布有限元分析  

The FEM Analysis of the Soil Stress under the Top-shaped Concrete Block Foundation

作　　者：严驰[1] 孙兴松[1] 孙训海[2] 李平 

机构地区：[1]天津大学,天津300072 [2]中国建筑科学研究院,北京100013 [3]日本陀螺桩株式会社

出　　处：《港工技术》2007年第4期43-45,共3页Port Engineering Technology

摘　　要：陀螺桩是一种新型的地基基础形式,本文以天津地区典型地基为例,运用有限元方法计算了三种不同基础下的土体应力分布和地基表面沉降。通过比较分析,认为陀螺桩基础能够改善地基土体附加应力的分布,使其更加均匀,并增加应力扩散,从而有效地减少地基沉降,提高地基承载力。Top-shaped concrete block foundation is a new foundation structure. The FEM is used to analysis the stress distribution and ground subsidence of the soil under three different foundation structures. By comparing the calculation results, the conclusion that the top-shaped concrete block foundation can improve the stress homogeneous distribution and reduce the ground subsidence is drawn.

关 键 词：陀螺桩 应力分布 地基沉降 应力扩散 

分 类 号：TU473.12[建筑科学—结构工程]