Laboratory observation on the seismic response of the filled joint under high amplitude stress waves

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Propagation of high amplitude stress waves through an artificial filled joint was experimentally investigated using a modified steel Split Hopkinson Pressure Bar (SHPB) system. Quartz sand was used to simulate the joint fillings and its particle size distributions after each test are analyzed. Three deformation stages were discovered as the amplitude of the incident wave increases, i.e., initial compaction, crushing and crushing and compaction. In the initial compaction stage and the crushing and compaction stage, the fillings are mainly compacted, and thus the transmission coefficient increases with the amplitude of the incident wave. However, in the crushing stage, the transmission coefficient decreases with the increase of the amplitude of the incident wave. The observed dependence of the transmission coefficient on the wave amplitude is consistent with the particle size distribution of recovered fillings.

Original languageEnglish
Title of host publicationRock Dynamics
Subtitle of host publicationFrom Research to Engineering - 2nd International Conference on Rock Dynamics and Applications, ROCDYN 2016
EditorsHaibo Li, Jianchun Li, Qianbing Zhang, Jian Zhao
PublisherCRC Press/Balkema
Pages117-122
Number of pages6
ISBN (Print)9781138029538
DOIs
StatePublished - 2016
Externally publishedYes
Event2nd International Conference on Rock Dynamics and Applications, ROCDYN 2016 - Suzhou, China
Duration: 18 May 201619 May 2016

Publication series

NameRock Dynamics: From Research to Engineering - 2nd International Conference on Rock Dynamics and Applications, ROCDYN 2016

Conference

Conference2nd International Conference on Rock Dynamics and Applications, ROCDYN 2016
Country/TerritoryChina
CitySuzhou
Period18/05/1619/05/16

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