Experimental study of frost heave and thawing settlement of soilbags under different freeze-thaw cycles

LI Zhuo; LIU Si-hong; WANG Liu-jiang; ZHANG Kai; KONG Wei-yao

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Experimental study of frost heave and thawing settlement of soilbags under different freeze-thaw cycles

更新时间：2026-06-25

- Experimental study of frost heave and thawing settlement of soilbags under different freeze-thaw cycles
- Vol. 34, Issue 9, (2013)
- 作者机构：
  
  1. 南京水利科学研究院,南京,210029
  2. 水利部大坝安全管理中心,南京,210029
  3. 河海大学水利水电学院,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU411
- Online First：13 September 2013，
  
  Published：2013
- 稿件说明：
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LI Zhuo, LIU Si-hong, WANG Liu-jiang, et al. Experimental study of frost heave and thawing settlement of soilbags under different freeze-thaw cycles[J]. 2013, 34(9).
DOI：

LI Zhuo, LIU Si-hong, WANG Liu-jiang, et al. Experimental study of frost heave and thawing settlement of soilbags under different freeze-thaw cycles[J]. 2013, 34(9). DOI：

摘要

为研究季节性冻土地区冻融循环作用下土工袋防冻融、冻胀效果，对不同冻融循环作用下土工袋和土进行了室内模型试验，在开放系统和封闭系统中分别研究了土工袋和土冻胀量、融沉量之间关系，试验结果表明，经历4次冻融循环作用后，封闭系统中土工袋冻胀量、融沉量分别小于土的冻胀量、融沉量；开放系统中土的冻胀量为土工袋冻胀量的1.9倍，土的融沉量为土工袋融沉量的2.2倍，开放系统中地下水对土工袋的补给量远小于土的补给量，试验验证了土工袋可以有效防止渠道及建筑物基础冻融、冻胀破坏，可为渠道防冻胀提供理论基础。

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.

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