Experimental Study on Lime-Treated Waste Soil Based on Water Transfer Mechanism

被引：0
|
作者：
Fanlu Min
Jiawei Ma
Nan Zhang
Hangbiao Song
Jiarui Du
Dengfeng Wang
机构：
[1] Hohai University,Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering
[2] The University of Texas at Arlington,Dept. of Civil Engineering
[3] University of Liège,Urban and Environmental Engineering
[4] Ruhr-Universität Bochum,Chair of Soil Mechanics, Foundation Engineering and Environmental Geotechnics
来源：
KSCE Journal of Civil Engineering | 2021年 / 25卷
关键词：
Water transfer; Lime; Treatment; Hydration products; Waste soil;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A large amount of waste soil (mud) is being produced from the construction of civil and infrastructures. As a result, resource utilization of the waste soil has become even more important in geotechnical engineering community. This study quantitatively investigates the underlying modification mechanism of lime-treated waste soil based on water transfer mechanism. Content of different types of water was first measured, and content of each hydration product and the Atterberg limits of soils before and after the lime treatment were then analyzed. It is found the mechanism of lime treatment is to transfer free water with low potential energy to bound water and hydration water with high potential energy. In addition, the formation of hydrates gel mainly improves soil plasticity by affecting the limit of soil plasticity. The hydration water can be used to evaluate the effectiveness of treatment and the growth potential.
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页码：1645 / 1652
页数：7
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