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	Numerical Modelling: The Effect of Particle Size Distribution on the Permanent Deformation of Unbound Granular Materials
	Chen, Cheng1; Liu, Xiaoqing2; Kong, Lingwei1; Ning, Zhiqiang2
	2016
会议日期	JUL 25-27, 2016
会议地点	Shangdong, PEOPLES R CHINA
期号	265
页码	157-165
英文摘要	The surfaces of unbound granular materials are often rough and a discrete element modeling of rough granulates is very important to understand the behavior of unbound granular materials. But the existing particle flow modeling rarely consider the effect of particle size distribution on mechanical properties of unbound granular materials. This paper presents an absolute distribution simulation method to generate a three-dimensional particle flow model. In contrast to the conventional particle generation method, the present method was incorporated into a DEM code to investigate the permanent strain response of the granular materials of different particle size distribution. A series of numerical simulation results has been conducted to get the optimum particle size distribution of granular materials under cyclic loading. The results showed that the particle size distribution was significantly correlated with the permanent deformation of unbound granular materials.
会议录	IN SITU AND LABORATORY TEST METHODS FOR SITE CHARACTERIZATION, DESIGN, AND QUALITY CONTROL
会议录出版者	AMER SOC CIVIL ENGINEERS
会议录出版地	NEW YORK
语种	英语
WOS研究方向	Engineering
WOS记录号	WOS:000389584200020
内容类型	会议论文
源URL	[http://119.78.100.198/handle/2S6PX9GI/4889]
专题	岩土力学所知识全产出_会议论文 国家重点实验室知识产出_会议论文
作者单位	1.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomechan & Geotechn Engn ; 2.Xiangtan Univ, Coll Civil Engn & Mech
推荐引用方式 GB/T 7714	Chen, Cheng,Liu, Xiaoqing,Kong, Lingwei,et al. Numerical Modelling: The Effect of Particle Size Distribution on the Permanent Deformation of Unbound Granular Materials[C]. 见:. Shangdong, PEOPLES R CHINA. JUL 25-27, 2016.

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