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Stress Wave Propagation Across a Rock Mass with Two Non-parallel Joints
Chai, S. B.1; Li, J. C.2; Zhang, Q. B.3; Li, H. B.1; Li, N. N.1
2016
Source PublicationROCK MECHANICS AND ROCK ENGINEERING
ISSN0723-2632
Volume49Issue:10Pages:4023-4032
AbstractA rock mass includes a number of joints, which govern the mechanical behavior of the rock mass and greatly affect stress wave propagation. Generally, joints do not parallel with each other, resulting in multiple wave reflections between joints and complex wave propagation process in rock masses. The present study presents an approach to analyze stress wave propagation through a rock mass with two non-parallel joints when the angle between the two joints is < 10A degrees. For incident P-wave impinging on this kind of rock mass, multiple reflections take place between the two joints. Meanwhile, transmitted waves are generated and propagate successively away from the joints. The mathematical expressions for P-wave propagation across the two joints are established in time domain by analyzing the wave field in the rock mass. By comparing with the result from numerical simulation, the new approach is proved to be effective to analyze wave propagation across two non-parallel joints, where the influence of joint tips on wave propagation is neglected. Parametric studies show that the joint stiffness, joint angle and frequency of incident wave have different effects on transmission and reflection coefficients.
KeywordNon-parallel joints Stress wave propagation Time-domain analysis Transmission and reflection coefficients
DOI10.1007/s00603-016-1068-z
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Geology
WOS SubjectEngineering, Geological ; Geosciences, Multidisciplinary
WOS IDWOS:000385163800014
PublisherSPRINGER WIEN
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://119.78.100.198/handle/2S6PX9GI/3938
Collection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
Affiliation1.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn ;
2.Southeast Univ, Sch Civil Engn ;
3.Monash Univ, Dept Civil Engn
Recommended Citation
GB/T 7714
Chai, S. B.,Li, J. C.,Zhang, Q. B.,et al. Stress Wave Propagation Across a Rock Mass with Two Non-parallel Joints[J]. ROCK MECHANICS AND ROCK ENGINEERING,2016,49(10):4023-4032.
APA Chai, S. B.,Li, J. C.,Zhang, Q. B.,Li, H. B.,&Li, N. N..(2016).Stress Wave Propagation Across a Rock Mass with Two Non-parallel Joints.ROCK MECHANICS AND ROCK ENGINEERING,49(10),4023-4032.
MLA Chai, S. B.,et al."Stress Wave Propagation Across a Rock Mass with Two Non-parallel Joints".ROCK MECHANICS AND ROCK ENGINEERING 49.10(2016):4023-4032.
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