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An SHPB Test Study on Stress Wave Energy Attenuation in Jointed Rock Masses
Li, J. C.; Rong, L. F.; Li, H. B.; Hong, S. N.
2019
Source PublicationROCK MECHANICS AND ROCK ENGINEERING
ISSN0723-2632
Volume52Issue:2Pages:403-420
AbstractA series of dynamic tests were carried out to investigate the effect of joint roughness on the wave energy attenuation in rock masses and estimate the relation between joint roughness and seismic quality factor of rock masses. The modified split Hopkinson pressure bar (SHPB) apparatus was adopted in this study, where the loading, input and output bars were made of gypsum. The propagation coefficient of the gypsum bars was measured from trial tests. According to the propagation coefficient of the gypsum bars, the strain, stress and particle velocity on the contact surfaces between the specimen and input/output bars were obtained from the test data recorded by the strain gauges. The specimens were prepared by a three-dimensional printer with plaster and binder. Each specimen modeled a rock mass with one joint with different roughness. The seismic quality factor of specimen is also estimated from the proposed approach of wave energy dissipation. The effects of joint roughness on the seismic quality factor of rock mass and the wave energy attenuation across the rock mass are analyzed from test results.
KeywordSHPB test Wave energy attenuation Jointed rock mass Joint roughness coefficient Seismic quality factor
DOI10.1007/s00603-018-1586-y
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Geology
WOS SubjectEngineering, Geological ; Geosciences, Multidisciplinary
WOS IDWOS:000459224800007
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://119.78.100.198/handle/2S6PX9GI/15050
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, Wuhan 430071, Hubei, Peoples R China;
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
3.Southeast Univ, Sch Civil Engn, Nanjing 210096, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Li, J. C.,Rong, L. F.,Li, H. B.,et al. An SHPB Test Study on Stress Wave Energy Attenuation in Jointed Rock Masses[J]. ROCK MECHANICS AND ROCK ENGINEERING,2019,52(2):403-420.
APA Li, J. C.,Rong, L. F.,Li, H. B.,&Hong, S. N..(2019).An SHPB Test Study on Stress Wave Energy Attenuation in Jointed Rock Masses.ROCK MECHANICS AND ROCK ENGINEERING,52(2),403-420.
MLA Li, J. C.,et al."An SHPB Test Study on Stress Wave Energy Attenuation in Jointed Rock Masses".ROCK MECHANICS AND ROCK ENGINEERING 52.2(2019):403-420.
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