Water Migration in Expansive Soil Modified by Ionic Soil Stabilizer under Cyclic Freezing and Thawing

doi:10.11988/ckyyb.20170061

Abstract

Abstract: A set of indoor test devices for water migration in expansive soil is employed to investigate into the influence of ionic soil stabilizer (ISS) on expansive soil under cyclic freezing and thawing. The test apparatus is composed of freeze-thaw cycle test box, DT85G data collector, and a resistance temperature sensor. The performance of ISS reinforcement on expansive soil after freeze-thaw cycle is analyzed by examining the physical parameters (water content, dry density, and porosity) and the temperature variation of samples at different heights. Results demonstrate that the temperature in expansive soil reinforced by ISS during freeze-thaw cycles changes slowly; in the meantime, water content changes little and porosity is small, indicating a high stability of samples.

Key words: ionic soil stabilizer, expansive soil, modification, water migration, action of freeze-thaw

CLC Number:

TU443

WANG Feng-hua, XIANG Wei, YUAN Yue-feng. Water Migration in Expansive Soil Modified by Ionic Soil Stabilizer under Cyclic Freezing and Thawing[J]. Journal of Changjiang River Scientific Research Institute, 2018, 35(7): 111-116.

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Water Migration in Expansive Soil Modified by Ionic Soil Stabilizer under Cyclic Freezing and Thawing

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