Experimental study on creep behavior of saturated disaggregated sandstone

•Axial displacement–time and porosity–time relation in the creep experiments.•Axial displacement and porosity are effected by fragment size and loadings.•Creep mechanisms include fragment crushing, splitting and rearrangement.•Abrupt changes in axial displacement are observed in the steady state cre...

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Bibliographic Details
Published inInternational journal of rock mechanics and mining sciences (Oxford, England : 1997) Vol. 66; pp. 76 - 83
Main Authors Ma, Zhanguo, Gu, Ruixiang, Huang, Zhimin, Peng, Gong, Zhang, Lei, Ma, Dan
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.02.2014
Elsevier
Subjects
Applied sciences
Buildings. Public works
Coal mines
Exact sciences and technology
Geotechnics
Grounds
Infrastructure
Land
Mining
Rock mechanics
Soil investigations. Testing
Soil mechanics. Rocks mechanics
Subsidence
Underground mines
Regression coefficient
Rock mechanics
Creep
Site analysis
Saturated medium
Disaggregation
Porosity
Experimental study
Displacement
Sandstone
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Summary:•Axial displacement–time and porosity–time relation in the creep experiments.•Axial displacement and porosity are effected by fragment size and loadings.•Creep mechanisms include fragment crushing, splitting and rearrangement.•Abrupt changes in axial displacement are observed in the steady state creeps.•Formation of shear zone is the possible mechanism of the abrupt changes.
Bibliography:ObjectType-Article-1
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ISSN:1365-1609
1873-4545
DOI:10.1016/j.ijrmms.2014.01.004