Effects of void ratio and grain size distribution on water retention properties of compacted infilled joint soils

doi:10.1016/j.sandf.2017.01.004

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	Effects of void ratio and grain size distribution on water retention properties of compacted infilled joint soils
	Feng, Xiating1 ; Zhao, Yang 1,2; Cui, Yujun 3; Zhou, Hui 1; Huang, Zhiquan 2
刊名	SOILS AND FOUNDATIONS
	2017
卷号	57 期号:1 页码:50-59
关键词	Infilled joint soil Water retention curve Void ratio Grain size distribution Microstructure
ISSN号	0038-0806
DOI	10.1016/j.sandf.2017.01.004
英文摘要	The effects of the initial void ratio and the grain size distribution (GSD) on the water retention properties of a compacted infilled joint soils from Beihetan ( China) were investigated. Three initial void ratios (0.3, 0.4, and 0.5) and three GSDs were selected based on the in situ soil states. A total of nine drying water retention curves (WRCs) was established with the filter paper method. The microstructure of the specimens was also studied to better understand the water retention properties. It was found that the denser samples underwent smaller volume changes, and that the volumetric strain increased with the increasing clay size fraction. The void ratio had a significant effect on the WRCs in terms of the degree of saturation; however, the WRCs were independent of the void ratio in terms of the gravimetric water content. In terms of the degree of saturation, the WRCs were seen to shift upwards with the increase in clay size fraction, indicating an increase in the water retention capacity. The results from mercury intrusion porosimeter (MIP) tests revealed that the difference in the inter-aggregate pores is the main reason for the different shapes of the WRCs. Moreover, the infilled joint soils with lower void ratios and coarser particles were found to be more suitable for MIP-based evaluations of water retention properties. (C) 2017 Production and hosting by Elsevier B.V. on behalf of The Japanese Geotechnical Society.
WOS研究方向	Engineering ; Geology
语种	英语
出版者	JAPANESE GEOTECHNICAL SOC
WOS记录号	WOS:000397099800004
内容类型	期刊论文
源URL	[http://119.78.100.198/handle/2S6PX9GI/4014]
专题	岩土力学所知识全产出_期刊论文岩土力学所知识全产出国家重点实验室知识产出_期刊论文
作者单位	1.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomechan & Geotechn Engn ; 2.North China Univ Water Resources & Elect Power, Zhengzhou, Peoples R China; 3.Ecole Ponts ParisTech, Lab Navier
推荐引用方式 GB/T 7714	Feng, Xiating,Zhao, Yang,Cui, Yujun,et al. Effects of void ratio and grain size distribution on water retention properties of compacted infilled joint soils[J]. SOILS AND FOUNDATIONS,2017,57(1):50-59.
APA	Feng, Xiating,Zhao, Yang,Cui, Yujun,Zhou, Hui,&Huang, Zhiquan.(2017).Effects of void ratio and grain size distribution on water retention properties of compacted infilled joint soils.SOILS AND FOUNDATIONS,57(1),50-59.
MLA	Feng, Xiating,et al."Effects of void ratio and grain size distribution on water retention properties of compacted infilled joint soils".SOILS AND FOUNDATIONS 57.1(2017):50-59.