气候变化领域集成服务门户(CCPortal): Experimental Study on the Electro-osmotic Treatment of Frost Boiling Damage of Cold-Region Subgrade

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DOI	10.1007/s12205-021-0499-6
	Experimental Study on the Electro-osmotic Treatment of Frost Boiling Damage of Cold-Region Subgrade
	Liu, Deren; Yang, Jiale; Li, Shuangyang; Wang, Xu; Xu, Shuochang
通讯作者	Li, SY (通讯作者)，Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China.
发表日期	2022
ISSN	1226-7988
EISSN	1976-3808
起始页码	1579
结束页码	1591
卷号	26 期号:4
英文摘要	In cold regions, the pore water of subgrade surface soil rises sharply because ice lenses thaw in spring-thawing seasons and cannot drain out in a short time, which leads to a high water content in the thawed layer of the cold-region subgrade. Frost boiling damage of subgrade occurs frequently under repeated traffic loads and seriously affects the normal operation of the road. Based on the advantages of rapid and effective electro-osmotic drainage, a horizontal stage electro-osmotic drainage method (HSEDM) was designed to treat the frost boiling damage of cold-region subgrade. To test the engineering effectiveness of the HSEDM, a model test was carried out, in which many key indexes, such as the current intensity, effective potential, electrode corrosion, water content, shear strength and surface settlement, were closely monitored. Through the controlled trial, it indicates that the pore water was mainly driven to move from the anode to the cathode and further drained out from the slope by electric field force. At the same time, the shear strength of the frost boiling subgrade increases significantly after electro-osmotic consolidation. The experimental results provide a theoretical basis for the engineering application of the HSEDM in the treatment of frost boiling damage of cold-region subgrade.
关键词	FREEZE-THAW CONSOLIDATION SLUDGE
英文关键词	Cold region subgrade; Frost boiling damage; HSEDM; Power consumption; Soil improvement; Shear strength
语种	英语
WOS研究方向	Engineering
WOS类目	Engineering, Civil
WOS记录号	WOS:000734707700006
来源期刊	KSCE JOURNAL OF CIVIL ENGINEERING
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/254241
作者单位	[Liu, Deren; Yang, Jiale; Wang, Xu; Xu, Shuochang] Lanzhou Jiaotong Univ, Sch Civil Engn, Lanzhou 730070, Peoples R China; [Li, Shuangyang] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Liu, Deren,Yang, Jiale,Li, Shuangyang,et al. Experimental Study on the Electro-osmotic Treatment of Frost Boiling Damage of Cold-Region Subgrade[J]. 中国科学院西北生态环境资源研究院,2022,26(4).
APA	Liu, Deren,Yang, Jiale,Li, Shuangyang,Wang, Xu,&Xu, Shuochang.(2022).Experimental Study on the Electro-osmotic Treatment of Frost Boiling Damage of Cold-Region Subgrade.KSCE JOURNAL OF CIVIL ENGINEERING,26(4).
MLA	Liu, Deren,et al."Experimental Study on the Electro-osmotic Treatment of Frost Boiling Damage of Cold-Region Subgrade".KSCE JOURNAL OF CIVIL ENGINEERING 26.4(2022).