岩土力学Issue(9)：2541-2545,5.
冻融循环作用下土工袋冻胀量和融沉量试验
Experimental study of frost heave and thawing settlement of soilbags under different freeze-thaw cycles
摘要
Abstract
In order to reveal anti-frost heaving mechanism of soilbags under different freeze-thaw cycles in seasonally frozen regions, comparative model experiments on soilbags and soil are carried out under different freeze-thaw cycles, to investigate the frost heave relationship and the thawing settlement relationship between soilbags and soil, both in open and close systems. The results show that:Frost heave of soilbags is less than that of soil; thawing settlement of soilbags is also less than that of soil after experiencing 4 freeze-thaw cycles in closed system. Frost heave of soil is 1.9 times that of soilbags;thawing settlement of soil is 2.2 times that of soilbags in open system. Groundwater recharge for soilbags is far less than that for soil in open system. It is concluded that soilbags can efficiently prevent building foundation from frost heave collapse, and it can provide references to frost heave prevention of canal linings.关键词
冻融循环/土工袋/冻胀量/融沉量/季节性冻土地区Key words
freeze-thaw cycles/soilbags/frost heave/thawing settlement/seasonally frozen regions分类
建筑与水利引用本文复制引用
李卓,刘斯宏,王柳江,张凯,孔维耀..冻融循环作用下土工袋冻胀量和融沉量试验[J].岩土力学,2013,(9):2541-2545,5.基金项目
江苏高校优势学科建设工程资助项目（水利工程）。 （）
