2019
DOI: 10.1155/2019/6717295
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Experimental Investigation of the Permeability Measurement of Radial Flow through a Single Rough Fracture under Shearing Action

Abstract: Water flow is commonly observed in rock fractures, and this flow has considerable significance in many aspects of rock engineering. In this study, seepage-stress coupled tests were performed on fractured rock masses using a computer-controlled direct shear device for rock with seepage control. The flow direction was radial. Eight types of test case were designed, and subgroup tests with varied normal stress, shear velocity, and roughness of fracture surface were conducted. The failure state of the fracture sur… Show more

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Cited by 5 publications
(1 citation statement)
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“…e effect of shear loads can lead to the relative displacement between the upper and lower fracture walls. e variation of interior geometries as the shear displacement increases is determined by many factors such as roughness, mechanical properties of the fracture surface, and infillings [10], and the hydraulic conductivity may exhibit multiple variations [8,[11][12][13]. Shear dilation of fractures is inhibited by the increase in normal stress due to the combined effect of normal and shear stresses, and the two factors have completely different effects on the variation of fracture aperture [14,15].…”
Section: Introductionmentioning
confidence: 99%
“…e effect of shear loads can lead to the relative displacement between the upper and lower fracture walls. e variation of interior geometries as the shear displacement increases is determined by many factors such as roughness, mechanical properties of the fracture surface, and infillings [10], and the hydraulic conductivity may exhibit multiple variations [8,[11][12][13]. Shear dilation of fractures is inhibited by the increase in normal stress due to the combined effect of normal and shear stresses, and the two factors have completely different effects on the variation of fracture aperture [14,15].…”
Section: Introductionmentioning
confidence: 99%