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<p>In this paper, a numerical code, RFPA2D (rock failure process analysis), was used to simulate the initiation and propagation of fractures around a pre existing single cavity and multiple cavities in brittle rocks. Both static and dynamic loads were applied ...
Reference: Journal of Rock Mechanics and Geotechnical Engineering 5 (2013) 262–276
<p>Natural open joints in rocks commonly present multiscale self-affine apertures.The goal of this paper is to find a geometrical model of the complex aperture that describes at best the macroscopic properties (hydraulic conductivity, heat exchange) with the ...
Reference: Geophys. J. Int. (2011) 186, 1064-1072
The influence of the multiscale fracture roughness on the heat exchange when a cold fluid enters a fractured hot solid is studied numerically on the basis of the Stokes equation and in the limit of both hydrolubrication and thermolubrication. It is shown that ...
Reference: PHYSICAL REVIEW E 82, 036317 2010
To assess the role of the fault thickness on its mechanical behavior, we first present the results of an experimental modeling of a thick fault core. Our laboratory setup consists in an annular simple shear apparatus in which we can apply very large shear ...
Reference: Tectonophysics 426 (2006) 77-94
Infill materials found in natural rock joints may cause a reduction in joint shear strength, influencing rock mass stability. This paper reports a study aimed at developing a semi-empirical methodology for predicting the shear<br>strength of infilled joints, ...
Reference: Geotechnique, Institution of Civil Engineers, 55(3), 2005, 215-226.
This study includes conducting diametrical compression tests on notched Brazilian disk specimens. Moreover, the effect of confining pressure and temperature on crack initiation and propagation were also studied. The experimental results were compared with ...
Reference: Engineering Geology 81 (2005)
<p>In this paper is discussed the morphology of brittle fracture surfaces.</p>
Reference: Physica Scripta. Vol. T106, 65-69, 2003
This paper provides a review of hydromechanical (HM) couplings in fractured rock, with special emphasis on HM interactions as a result of or directly connected with human activities.
Reference: Published in Hydrogeology Journal, Volume 11, Number 1, Pages: 7 - 40, 143
This study aimed to extend the understanding of multiphase flow by conducting nitrogen-water relative permeability experiments on a naturally-fractured rock from The Geysers geothermal field.
Reference: "STANFORD UNIVERSITY Stanford, California"
Soil-infilled discontinuities adversely influence the stability of rockmass, because, the infi ll materials especially when saturated, drastically reduce the shear strength. The angle of shearing resistance of a discontinuity decreases significantly for increasing ...
Reference: IACMAG 2011 – Melbourne, Australia, 9–11 May 2011