摘要
针对目前真空预压法加固软基尚存在的几个问题进行了探讨。通过分析,得出一些结论,即真空预压排水固结加固软基期间,加固区地下水位有一定的降低;加固前后加固区土体饱和基本不变;有效加固深度可以认为是软基竖向排水体深度;真空预压排水固结软基强度不是均匀增长,而是预压前期软基强度增长快于预压后期。
With regard to some problems existing in vacuum preloading consolidation in the soft ground, there are currently a number of issues were discussed, there has been some conclusion. During vacuum preloading consolidation in the soft ground, reinforcement of certain areas to lower the water table; reinforcement before and after the reinforcement of soil saturated zone will remain basically unchanged; effective depth of reinforcement can be considered to he soft-vertical depth of the water body; vacuum preloading drainage solid Knot of soft growth Uniformity is not a base intensity, but non-linear growth, pre-vacuum pressure in the process of pre-vacuum-strength reinforcement of soft zone growth, and slower growth in the latter part of the vacuum pump, the shear strength of soft-clay in the early stage increases faster than that in the late stage under vacuum preloading.
出处
《工程质量》
2009年第3期55-59,共5页
Construction Quality
关键词
真空预压
软基处理
加固深度
强度增长
Vacuum preloading
soft-clay treatment
strengthening depth
intensity of growth
