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Experimental study on stress wave propagation across joints with different joint matching coefficients
Rong, L. F.; Li, J. C.; Li, H. B.; Chai, S. B.
2016
Conference Name2nd International Conference on Rock Dynamics and Applications (RocDyn)
Source PublicationROCK DYNAMICS: FROM RESEARCH TO ENGINEERING
Pages179-184
Conference DateMAY 18-19, 2016
Conference PlaceSuzhou, PEOPLES R CHINA
Publication PlaceBOCA RATON
PublisherCRC PRESS-TAYLOR & FRANCIS GROUP
AbstractThe joints have a certain effect on stress wave propagation across rock masses. This paper presents an experimental study on stress wave propagation across joints with different joint matching coefficients by carrying out ultrasonic wave tests. The steel cylinders with different contact areas were adopted to simulate the joint rough surfaces and simplify the specimen preparation. Through the tests, the initial pulse of the transmitted wave across the joints is obtained. By comparing the measured results, the attenuation effect of single joint and two parallel joints with different joint matching coefficients on wave propagation is investigated. The experiment results show that the transmission coefficients for the jointed specimens are influenced by various parameters of joint, such as Joint Matching Coefficient (JMC), distribution type of contact area of joint surface, the number of joints and joint spacing.
Indexed BySCI
Language英语
WOS Research AreaGeochemistry & Geophysics ; Engineering
WOS SubjectGeochemistry & Geophysics ; Engineering, Geological
WOS IDWOS:000385239400022
Citation statistics
Document Type会议论文
Identifierhttp://119.78.100.198/handle/2S6PX9GI/4867
Collection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
AffiliationChinese Acad Sci, State Key Lab Geomech & Geotech Engn, Inst Rock & Soil Mech
Recommended Citation
GB/T 7714
Rong, L. F.,Li, J. C.,Li, H. B.,et al. Experimental study on stress wave propagation across joints with different joint matching coefficients[C]. BOCA RATON:CRC PRESS-TAYLOR & FRANCIS GROUP,2016:179-184.
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