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Keywords: joint surface
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Proceedings Papers
Characterisation and Numerical Modelling of the Geometry of Rock Joints
Available to Purchase
Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-046
... by the description and characterisation of the surface roughness, as well as its reproduction and generation using techniques such as fractal models and Fourier transforms. Shear tests under constant normal load were performed, the joint surfaces were again scanned, and the resulting roughness surfaces were compared...
Proceedings Papers
Correlation between Quantitative Methods for Rock Joint Roughness in Three Dimensions
Available to Purchase
Paper presented at the ISRM Regional Symposium - 7th Asian Rock Mechanics Symposium, October 15–19, 2012
Paper Number: ISRM-ARMS7-2012-028
... ABSTRACT Roughness of rock joint surfaces is known to be one of the most significant factors to determine the shear strength of joint surfaces, and it has been widely investigated in various ways. A recent research on roughness quantification of rock joints revealed that various 3-dimensional...
Proceedings Papers
Multi-Scale Joints Roughness Characterization Using Wavelet and Shear Modeling
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Paper presented at the ISRM Regional Symposium - 7th Asian Rock Mechanics Symposium, October 15–19, 2012
Paper Number: ISRM-ARMS7-2012-017
.... In this research, each of the upper and lower profiles of joint surfaces is considered as a 2-dimensional wave. Then, multi-scale decomposition based on wavelet theory has been applied studying on asperities. Upper and lower profiles have been combined to produce a composite surface having asperities...
Proceedings Papers
Numerical Simulation Of Direct Shear Test On Rock Joint Using Pfc3D
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Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-141
.... Particles were generated and bonded into a 10x2x3.6 cm3 block, and a rough joint with a JRC value of 10–20 was produced by defining the joint-contacts along a predefined joint surface. The bond strength between the particles with joint-contacts was reduced by up to 70 percent in order to simulate...
Proceedings Papers
Analysis Of The Shear Strength Of Rock And Concrete Joints Using Results Of The Constant Normal Load Shear Test
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Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-046
... Characterization rock-rock joint normal load shear displacement shear strength structural geology joint surface maximum shear stress asperity primary asperity Upstream Oil & Gas acoustic emission secondary asperity shear stress joint sample reservoir geomechanics concrete-concrete joint...
Proceedings Papers
The Effect Of Surface Irregularities On Joint Closure Behavior Using New Modeling Techniques
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Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-170
... conducted on the 2D joint profile because of producing the 3D joint surface is inconvenient. In this paper, a new technology called Laminated Object Manufacturing (LOM) is used to create the 3D surface geometry of joint models. It is proved that using the first five harmonics of Fourier transform will cause...
Proceedings Papers
Energy Damage Model of Jointed Rock Mass With Joint Closing And Friction Considered And Its Application
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Paper presented at the ISRM International Symposium - 2nd Asian Rock Mechanics Symposium, September 11–14, 2001
Paper Number: ISRM-ARMS2-2001-078
... ABSTRACT: Based on equivalent energy theory, the anisotropy damage constitutive model of jointed rock mass is set up with joint surface closing and friction considered, the flexibility tensor and its increments are deduced. The model is applied to analyze the stability of permanent high ship...
