真空预压加固软土地基变形机理的探讨

Deformation mechanism of soft foundation under vacuum preloading

摘要: 在现有的有关真空预压机理分析的基础上,分析了真空预压研究(包括理论、试验、实际工程)中存在的问题;考虑土体各向异性对土体变形的影响,提出在真空预压这一特定应力路径下,应力诱导各向异性可能是引起工后沉降的主要原因。

Abstract: Based on the research on vacuum preloading,the problems of vacuum preloading were analyzed,including the mechanism,laboratory tests,and construction work.The influence of anisotropy was also researched.Considering the stress path of vacuum preloading,the stress-induced anisotropy might be the primary cause of the settlement after construction.