Curing Agent for Shallow Mucky Soil

被引：0
作者：
Xu R. [1 ,2 ]
Wang X. [1 ,2 ]
Wen J. [1 ,2 ]
Zhu B. [2 ,3 ]
机构：
[1] Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang University, Hangzhou
[2] Zhejiang-California International NanoSystems Institute Taizhou Branch, Taizhou, 318000, Zhejiang
[3] School of Civil Engineering & Architecture, Taizhou University, Taizhou, 318000, Zhejiang
来源：
Shanghai Jiaotong Daxue Xuebao/Journal of Shanghai Jiaotong University | 2019年 / 53卷 / 07期
关键词：
Curing agent; Early strength; Lime-fly ash; Scanning electron microscopy; Shallow mucky soil;
D O I：
10.16183/j.cnki.jsjtu.2019.07.006
中图分类号：
学科分类号：
摘要：
Coastal areas are widely distributed with muddy soil which has high moisture content, high compressibility and low strength. In order to improve the early strength of the foundation, a curing agent is used to shallow the muddy soil. Through the mixing test design, it was found that fly ash and quicklime were used as the basic curing materials, and the curing agents of sodium silicate, calcium sulfate, and calcium chloride as additives could significantly improve the early strength of solidified soil. The unconfined compressive strength of the solidified soil was used as the strength index to obtain the strength response at different ages. The optimum additive ratio was obtained through comprehensive analysis. Combined with scanning electron microscopy, the reaction mechanism and microscopic morphology were analyzed. The reinforcement effect of this curing agent meets the engineering requirement. © 2019, Shanghai Jiao Tong University Press. All right reserved.
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页码：805 / 811
页数：6
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