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	Measurement of SWCC of Xiamen residual soil by filter paper
	Chen, Dongx ; Zhang, Maxiu ; Lin, Youqiang ; Ni, Jian ; Chen DX(陈东霞)
	2013
关键词	Civil engineering Hysteresis loops Soils Thunderstorms
英文摘要	Conference Name:2nd International Conference on Civil Engineering and Transportation, ICCET 2012. Conference Address: Guilin, China. Time:October 27, 2012 - October 28, 2012.; Soil suction is one of the most important parameters for unsaturated soils. An experimental program was carried out to measure the maric suction of soil specimens of a residual soil in Xiamen by filter paper method. Initial water content, soil structure, and stress state were taken into account to investigate the hysteresis loop of SWCC. The air-entry value of test soil is about 140kPa and residual saturation is about 18%. The soil specimen at wet of optimum has the largest hysteresis loop for a relatively uniform pore-size distribution. However, the soil specimen at dry of optimum has the smallest hysteresis loop. The soil specimen at optimum lies between them. For specimens subjected to different stress states under various applied loads, the higher the applied load on the specimen, the smaller the size of hysteresis loop. In drying or wetting process, there is a significant difference in matric suction though soil specimens are at same water content. Therefore, for this kind of soil, it should be attention that the shear strength may be greatly reduced during rainstorms. ? (2013) Trans Tech Publications, Switzerland.
语种	英语
出处	http://dx.doi.org/10.4028/www.scientific.net/AMM.256-259.1046
出版者	Trans Tech Publications
内容类型	其他
源URL	[http://dspace.xmu.edu.cn/handle/2288/85496]
专题	建筑土木－会议论文
推荐引用方式 GB/T 7714	Chen, Dongx,Zhang, Maxiu,Lin, Youqiang,et al. Measurement of SWCC of Xiamen residual soil by filter paper. 2013-01-01.

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