分级真空排水预压法室内试验与分析  

The analysis and laboratory tests of graded loading vacuum preloading method

作　　者：马联华 董志良[1,2] 鲍树峰[1,2] 

机构地区：[1]重庆交通大学,重庆400074 [2]中交四航工程研究院有限公司,广东广州510230

出　　处：《水运工程》2014年第9期146-149,共4页Port & Waterway Engineering

摘　　要：根据有效应力原理,从应力路径的角度对比分析一次性加荷真空排水预压法和分级加荷真空排水预压法,找到一次性加荷真空排水预压法和分级加荷真空排水预压法的适用范围;结合室内模型试验观察分级真空预压对高黏性新近吹填土的加固效果,并选择了合适的竖直排水通道。According to the disposable loading vacuum drainage the two methods. Combining with the principle of effective stress, from the view pre-pressure method and the graded loading of the stress path, we analyze the one to find the applicable range of laboratory model experiments, we observe the reinforcement effect of the graded vacuum preloading on the recently dredged highly viscous fill, and select the appropriate vertical drainage channel.

关 键 词：真空预压 分级加载 一次性加载 应力路径 模型试验 

分 类 号：U655.544.4[交通运输工程—港口、海岸及近海工程]