Experimental evidence for dynamic friction on rock fractures from frequency‐dependent nonlinear hysteresis and harmonic generation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017jb014219
Abstract: Frictional properties affect the propagation of high amplitude seismic waves across rock fractures and faults. Laboratory evidence suggests that these properties can be measured in active seismic surveys, potentially offering a route to characterizing friction… read more here.
Keywords: rock fractures; harmonic generation; friction; dynamic friction ... See more keywords
Effect of Shear Direction Change on Shear-Flow-Transport Processes in Single Rough-Walled Rock Fractures
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DOI: 10.1007/s11242-020-01428-7
Abstract: Understanding the shear-flow-transport processes in rock fractures is one of major concerns for many geo-engineering practices, yet the effect of shear direction change on the flow and transport properties through rough-walled rock fractures has received… read more here.
Keywords: rock fractures; shear direction; transport; transport processes ... See more keywords
Experimental study of flow characteristics in non-mated rock fractures considering 3D definition of fracture surfaces
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2017.02.005
Abstract: Abstract Three-dimensional (3D) morphology of rock fracture has a great influence on its hydraulic behavior. To experimentally investigate the 3D roughness dependent non-linear flow characteristics in deformable rock fractures, water flow tests through non-mated fractures… read more here.
Keywords: fracture; rock fractures; flow characteristics; equation ... See more keywords
Laboratory investigation of nonlinear flow characteristics through natural rock fractures
Sign Up to like & getrecommendations! Published in 2019 at "Quarterly Journal of Engineering Geology and Hydrogeology"
DOI: 10.1144/qjegh2017-142
Abstract: This paper aims to assess the influence of in situ stresses and geometry of the fracture surface on the behaviour of fluid flow through rock fractures. In this regard, fluid flow tests were performed on… read more here.
Keywords: confining pressure; rock fractures; flow; increase ... See more keywords
Numerical Investigation on Hydraulic Properties of Artificial-Splitting Granite Fractures during Normal and Shear Deformations
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DOI: 10.1155/2018/9036028
Abstract: This study explores the effects of normal loading and shearing on hydraulic properties in roughness-walled rock fractures. The geometries of five fractures were measured by the 3D scanning technology. The flow simulation was performed for… read more here.
Keywords: rock fractures; aperture; investigation hydraulic; properties artificial ... See more keywords