Improved Nonlinear Strength Criterion for Jointed Rock Masses Subject to Complex Stress States

doi:10.1061/(ASCE)GM.1943-5622.0001072

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

	Improved Nonlinear Strength Criterion for Jointed Rock Masses Subject to Complex Stress States
	Liu, Xuewei 1; Liu, Quansheng 2; Kang, Yongshui 1; Pan, Yucong 2
刊名	INTERNATIONAL JOURNAL OF GEOMECHANICS
	2018
卷号	18 期号:3 页码:-
关键词	Jointed rock mass Compression test Multifactors Complex stress state Nonlinear strength criterion
ISSN号	1532-3641
DOI	10.1061/(ASCE)GM.1943-5622.0001072
英文摘要	Prediction of rock mass strength is important for estimating stability in rock engineering projects. In this paper, a novel strength criterion was proposed to determine the strength of a jointed rock mass subjected to a complex stress state. First, a series of tests were carried out on specimens with different joint geometries and under different confining pressures. From these tests, the factors affecting the strength of the jointed rock mass were obtained. The experimental results showed that normalized strength decreases initially and then increases as joint inclination angle increases, and it increases consistently and nonlinearly with increasing normalized confining pressure. Based on the experimental results, an improved nonlinear strength criterion was presented to describe the combined influence of the two aforementioned factors on jointed rock mass strength, and methods for determining the involved parameters were also introduced. Furthermore, multiaxial test data from the literature and biaxial test data from this paper were used to validate the feasibility and reliability of the new criterion. The results showed that the new criterion can predict the strength of jointed rock with high accuracy.
WOS研究方向	Engineering
语种	英语
出版者	ASCE-AMER SOC CIVIL ENGINEERS
WOS记录号	WOS:000427090600004
内容类型	期刊论文
源URL	[http://119.78.100.198/handle/2S6PX9GI/4242]
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.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn ; 2.Wuhan Univ, Sch Civil Engn, Key Lab Safety Geotech & Struct Engn Hubei Prov
推荐引用方式 GB/T 7714	Liu, Xuewei,Liu, Quansheng,Kang, Yongshui,et al. Improved Nonlinear Strength Criterion for Jointed Rock Masses Subject to Complex Stress States[J]. INTERNATIONAL JOURNAL OF GEOMECHANICS,2018,18(3):-.
APA	Liu, Xuewei,Liu, Quansheng,Kang, Yongshui,&Pan, Yucong.(2018).Improved Nonlinear Strength Criterion for Jointed Rock Masses Subject to Complex Stress States.INTERNATIONAL JOURNAL OF GEOMECHANICS,18(3),-.
MLA	Liu, Xuewei,et al."Improved Nonlinear Strength Criterion for Jointed Rock Masses Subject to Complex Stress States".INTERNATIONAL JOURNAL OF GEOMECHANICS 18.3(2018):-.