ON EFFECT OF NON-PERSISTENT JOINTS ON HYDROMECHANICAL BEHAVIOR OF JOINTED ROCK MASS IN UDEC

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	ON EFFECT OF NON-PERSISTENT JOINTS ON HYDROMECHANICAL BEHAVIOR OF JOINTED ROCK MASS IN UDEC
	Wu Yuexiu 1; Liu Quansheng 1,2; Liu Xiaoyan 1
	2010
会议日期	NOV 15-17, 2010
会议地点	wuha, PEOPLES R CHINA
关键词	Non-persistent joint Uniaxial compressive test Hydro-Mechanical characteristic Damage variable Representative element volume Permeability
页码	472-476
英文摘要	The existence of non-persistent joints will weaken the strength of rock mass and affect the mechanical behavior of rock mass which leads to change in the permeability of rock mass. A damage variable is introduced to account for weakened effect on strength of rock mass. It is defined as the ratio of the sum of actual length of all non-persistent joints in a block to the sum of length of all fictitious joints which are extensions of all non-persistent joints to the boundary of the block. According to the damage variable, the elastic modulus is deducted. Based on UDEC, a subroutine named damage_var is generated to calculate the damage variable and assign new properties to each block. Finally, numerical uniaxial compressive tests and the Hydro-Mechanical (HM) coupling calculations are carried out to study the effect of non-persistent joints.
会议录	ENGINEERING PLASTICITY AND ITS APPLICATIONS
会议录出版者	WORLD SCIENTIFIC PUBL CO PTE LTD
会议录出版地	SINGAPORE
语种	英语
WOS研究方向	Construction & Building Technology ; Materials Science
WOS记录号	WOS:000394277300087
内容类型	会议论文
源URL	[http://119.78.100.198/handle/2S6PX9GI/4557]
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.Wuhan Univ, Sch Civil & Architectural Engn, Key Lab Rock Mech Hydraul Struct Engn; 2.CAS Wuhan, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn
推荐引用方式 GB/T 7714	Wu Yuexiu,Liu Quansheng,Liu Xiaoyan. ON EFFECT OF NON-PERSISTENT JOINTS ON HYDROMECHANICAL BEHAVIOR OF JOINTED ROCK MASS IN UDEC[C]. 见:. wuha, PEOPLES R CHINA. NOV 15-17, 2010.