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DOI	10.1093/ijlct/ctz047
	Assessment of strength development of cemented desert soil
	Amhadi, Talal S.; Assaf, Gabriel J.
通讯作者	Amhadi, TS (corresponding author), Univ Quebec, Dept Civil Engn & Construct, Ecole Technol Super, 1100 Rue Notre Dame Ouest, Montreal, PQ H3C, Canada.
来源期刊	INTERNATIONAL JOURNAL OF LOW-CARBON TECHNOLOGIES
ISSN	1748-1317
EISSN	1748-1325
出版年	2019
卷号	14 期号:4 页码:543-549
英文摘要	For highway construction or any superstructure, on dune sand, designers and construction teams must ensure that the foundation soil is stable enough to provide support for the applied loads. Sand dunes are stretched across Libyan deserts that make road construction a challenge because of the poor soil base. Replacement of such a weak soil is very expensive and not economically feasible, and, in many cases, there is no alternative soil nearby. This study used two different mix designs aimed at stabilizing the existing base course using a mix of dune sand and manufactured sand with a small percentage of Portland cement. Compaction, unconfined compressive strength and California bearing ratio tests were conducted on the treated sample with a varying cement proportion of 0%, 3%, 5% and 7% by weight. The first tests were done with a mix of 50% dune sand and 50% crushed sand that is shown to have excellent results. For a more economic design, this study also included testing of another mix design with 70% dune sand and 30% crushed sand; laboratory results show this 70%/30% mixture was appropriate to use as a base-treated material for road construction material. This mix resulted in overall superior performance. Its use will reduce the cost of road construction by saving materials and time, and it will also have lower environmental impacts in desert areas. This study has shown that the stabilization of weak material (desert sand) by using cement improves the strength characteristics of the treated soil.
英文关键词	desert sand base course cement soil stabilization California bearing ratio unconfined compressive strength
类型	Article
语种	英语
开放获取类型	Green Submitted, gold
收录类别	SCI-E
WOS记录号	WOS:000511312700009
WOS关键词	STABILIZATION
WOS类目	Thermodynamics ; Energy & Fuels
WOS研究方向	Thermodynamics ; Energy & Fuels
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/369567
作者单位	[Amhadi, Talal S.; Assaf, Gabriel J.] Univ Quebec, Dept Civil Engn & Construct, Ecole Technol Super, 1100 Rue Notre Dame Ouest, Montreal, PQ H3C, Canada
推荐引用方式 GB/T 7714	Amhadi, Talal S.,Assaf, Gabriel J.. Assessment of strength development of cemented desert soil[J],2019,14(4):543-549.
APA	Amhadi, Talal S.,&Assaf, Gabriel J..(2019).Assessment of strength development of cemented desert soil.INTERNATIONAL JOURNAL OF LOW-CARBON TECHNOLOGIES,14(4),543-549.
MLA	Amhadi, Talal S.,et al."Assessment of strength development of cemented desert soil".INTERNATIONAL JOURNAL OF LOW-CARBON TECHNOLOGIES 14.4(2019):543-549.