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	Autogenous volumetric stability of solidified saline soil
	Zhou Yongxiang ; Yan Peiyu
	2010-05-11 ; 2010-05-11
关键词	Practical/ cements (building materials) fly ash foundations road building roads shrinkage slag soil/ solidified saline soil autogenous volumetric stability road foundations linear expansion-shrinkage measurement chlorine sulfate radicals soil stabilizers calcium ions sodium ions water content slag-fly ash-cement stabilizer chemical reactions/ E3030 Construction industry E1710 Engineering materials E2110D Geotechnical structures E0230 Environmental issues
中文摘要	The autogenous volumetric stability of solidified saline soils was investigated to prevent damage to roads caused by volume changes of the road foundations. Specimens with the length of 290 mm were prepared for linear expansion/shrinkage measurements of soils containing various amounts of chlorine and sulfate radicals. The specimens were solidified by three types of soil stabilizers. The studies analyzed the effect of calcium ions, sodium ions, and water content on the expansion and shrinkage. The results show that chlorine causes little volume variation but sulfate radicals can cause significant expansion of the solidified soil. Slag-fly ash-cement stabilizer provides less calcium ions for chemical reactions than cement resulting in less expansion of the solidified saline soil specimens. When there are few calcium ions but many sodium ions, the chlorine and the sulfate radicals do not stimulate chemical reactions in the soil. The water content influences the spacing between soil particles and the expansion.
语种	中文 ; 中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/27069]
专题	清华大学
推荐引用方式 GB/T 7714	Zhou Yongxiang,Yan Peiyu. Autogenous volumetric stability of solidified saline soil[J],2010, 2010.
APA	Zhou Yongxiang,&Yan Peiyu.(2010).Autogenous volumetric stability of solidified saline soil..
MLA	Zhou Yongxiang,et al."Autogenous volumetric stability of solidified saline soil".(2010).

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