Study on Hydro-mechanical Coupling Interaction of the Fractured Rock

CORC > 武汉岩土力学研究所 > 中科院武汉岩土力学所 > 岩土力学所知识全产出 > 期刊论文

	Study on Hydro-mechanical Coupling Interaction of the Fractured Rock
	Li, Haibo 2; Lv, Yanxin 2; Wang, Gang 3; Liu, Yaqun 2; Li, Junru 2; Yan, Yongfeng 1
刊名	DISASTER ADVANCES
	2013
卷号	6 页码:302-309
关键词	Hydro-mechanical Coupling Interaction Fractured Rock Shear-flow Experiment Dilation Seepage Rock Mass Joint
ISSN号	0974-262X
英文摘要	The hydro-mechanical coupling interaction of the fractured rock has been a main topic of the discussion in rock mechanics and related engineering. These interactions will cause a rather adverse effect on the intensity and stability of the engineering rock. Therefore, establishing the accurate and reliable seepage law is of great significance in guiding the engineering The objective of the thesis is to carry out shear-flow experiments investigating the hydro-mechanical coupling interaction of the fractured rock We investigate the shear-flow test of the artificial prepared joint specimens on the new numerical servo-controlled shear-flow coupled test system which can be applied for not only the constant normal load condition (CNL) but also the constant normal stiffness condition (CNS). The shear-flow tests were conducted on the specimens with different specific JRC (Joint Roughness Coefficient) for the cases with 2 kinds of initial normal stress (1.5MPa and 2.0MPa) and 2 kinds of constant normal stiffness (200MPa/m and 500MPa/m). Shear-flow experiments confirm that CNL and CNS have certain inhibition of the fracture dilation. The inhibited influence of CNS is more obvious than that of CNL. The rougher the artificial specimen surface is, the bigger the normal displacement, the discharge of per unit width and the hydraulic aperture are. Take equivalent hydraulic radius as the bridge to study the relationships between the mechanical aperture and the hydraulic aperture incorporating roughness of the fractures. Based on the ideal representations of the hemisphere, cube and cone microscopic surface asperities, the hydraulic mechanical coupling interactions of the fissures are researched. The analysis obtained from the hydraulic-mechanical coupling interactions agree well with the experimental results.
WOS研究方向	Geology ; Meteorology & Atmospheric Sciences ; Water Resources
语种	英语
出版者	DISASTER ADVANCES
WOS记录号	WOS:000319630500041
内容类型	期刊论文
源URL	[http://119.78.100.198/handle/2S6PX9GI/3456]
专题	岩土力学所知识全产出_期刊论文国家重点实验室知识产出_期刊论文
作者单位	1.Shandong XinCheng Bldg Planning & Design Co Ltd 2.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn ; 3.Shandong Univ Sci & Technol, Coll Civil Engn & Architecture ;
推荐引用方式 GB/T 7714	Li, Haibo,Lv, Yanxin,Wang, Gang,et al. Study on Hydro-mechanical Coupling Interaction of the Fractured Rock[J]. DISASTER ADVANCES,2013,6:302-309.
APA	Li, Haibo,Lv, Yanxin,Wang, Gang,Liu, Yaqun,Li, Junru,&Yan, Yongfeng.(2013).Study on Hydro-mechanical Coupling Interaction of the Fractured Rock.DISASTER ADVANCES,6,302-309.
MLA	Li, Haibo,et al."Study on Hydro-mechanical Coupling Interaction of the Fractured Rock".DISASTER ADVANCES 6(2013):302-309.