几类传统改性土的工程特性综合评价及在土遗址修复中的应用

doi:10.13722/j.cnki.jrme.2021.0498

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Abstract The restoration technology of earthen sites is a hot issue in the protection engineering. Based on laboratory test，model test and analytic hierarchy process(AHP) theory，the engineering characteristics of traditional modified soil(MS) and its suitability for earthen sites restoration were studied. The results showed that：(1) the engineering properties of the MS were improved by adding a certain proportion of sticky rice，cementitious material or fiber material to the plain soil(PS). The shear strength，impermeability and durability of PS are increased by 1.3‐3.5 times，3‐1 650 times and 1.3‐12.5 times，respectively. (2) Six indexes for comprehensive suitability evaluation of various kinds of MSs during the restoration of earthen sites were put forward，which are the safety，durability，anti-seepage，hygroscopic and desiccant characteristics，economy，construction difficulty. It indicates that the suitability of MS with adding sticky rice and mortar is the better than that of the lime，plant fiber materials. The cement-modified soil should not be used in earthen sites restoration.

Key words： soil mechanics protection of earthen sites restoration technology modified soil(MS) engineering properties suitability evaluation

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	Articles by authors
	ZHU Caihui1
	2
	3
	SHI Wei2
	3
	LI Xinlei1
	CHEN Ping4
	DENG Guohua1

Cite this article:

ZHU Caihui1,2,3, et al. Comprehensive evaluation of engineering properties of several kinds of traditional modified soils and their application in the restoration of earthen sites[J]. , 2022, 41(S1): 3033-3043.

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https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2021.0498 OR https://rockmech.whrsm.ac.cn/EN/Y2022/V41/IS1/3033

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