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Keywords: rock slope
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0095
... rock slope weathered depth Excavation Slope weathered zone sensitivity analysis slope stability ABSTRACT: Weathering makes the hard and compact rock loosely damaged, resulting in great reduction of rock's strength and stability, which has a negative impact on the engineering construction...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2057
... GSI rock mass characterization, based on the above-mentioned GSI quantification, utilizing both LiDAR and photogrammetry point clouds from several rock slopes. The proposed semi-automated methodology leads to the extraction of space-resolved GSI values for the entire slope, by automatically assessing...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-918
... ABSTRACT: The anti-dumping layered rock slope is a common type of slope with various deformation and failure modes, complicated mechanics mechanism and many influencing factors. Through utilizing 3DEC to research on deformation and failure of toppling rock slope in 3D, ”curved book dumping...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1419
... ABSTRACT ABSTRACT: Footwall slopes refer to bedding rock slopes in which the slope face is parallel to a set of persistent discontinuities, which exist extensively in opencast mine. Stability evaluation of the footwall slopes is significant for theoretical study and engineering application. In...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-755
... reservoir geomechanics codeglia Simulation Upstream Oil & Gas passo della morte slope hydraulic fracturing strength mechanism fracture energy rock slope Reservoir Characterization Engineering material property fem-dem numerical analysis numerical analysis Symposium tensile...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0658
... ABSTRACT: A simple jointed rock slope model is carried out in Discrete Element Method (DEM) to study the dynamic response of general jointed slope. Monitoring points in three directions are used to history the horizontal and the vertical acceleration, after acquiring the acceleration time...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-1011
... completion within three months of initial assessment. infrastructure construction chute land reclamation assessment Upstream Oil & Gas mesh powerhouse protection construction boulder hazard transmission building bluff Yukon Mayo remediation inspection rock slope rock fall soil...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-009
... Abstract: This paper explores two recent case histories involving major rock excavation and hydro power engineering projects. The Mayo B hydro power project is located in the Yukon, Canada. An unstable, 25 m (80 foot) high rock slope, comprised of relatively weak, low-grade metamorphic...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-384
... Abstract: The Q-slope method provides a simple yet effective empirical means of assessing the stability of excavated rock slopes in the field. Intended for use in reinforcement-free road or rail cuttings or individual benches in open cast mines, Q-slope allows geotechnical engineers to make...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-373
... determined by the ratio of shear resistance to average shear stress on a pre-defined failure surface. However, the LEM approach neglects the local development of stress concentration in the discontinuities or crack/joints in slope. The most suitable approach in jointed rock slopes appears to be that which...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-247
... Abstract Present study investigates applicability, superiorities and impediments of point estimate methods (PEM) in probabilistic stability analysis of rock slopes. A rock slope which involves correlated non-normally distributed variables, is considered and probabilistic analyses are carried...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-441
... sharp slope cut suffers from slope failures, rockfalls incidents, mainly in rainy seasons. The igneous rock masses are medium quality. The 40 m-height rock slope-cut along the road has no benches. The steep man-made rock slope cut is very close to the road, forming a potentially source for rockfalls...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-710
... Abstract The crack propagation process may cause connecting the main fractures and discontinuities to break away the rock slopes and produce large-scale failures in rock masses surrounding large surface mines. In this research, the pattern of cracks propagation and coalescence in jointed rock...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-196
... (285.5m high), Xiaowan arch dam (292m high), Jinping-I arch dam (305m high), Dagangshan arch dam (210m high) et al. The rock slopes in the dam sites are characterized by large-scale, high geostress and developed fractures. Although high safety factors are achieved in the optimized schemes of the dams, the...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7358
... geomechanics metals & mining numerical analysis relaxation stability stability analysis rock mass strength rock mass damage Upstream Oil & Gas SRM sample stress state Symposium slope stability reduction stress relaxation Reservoir Characterization strength rock slope discontinuity...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7374
... metals & mining relation reservoir simulation Reservoir Characterization Modeling & Simulation Upstream Oil & Gas displacement mechanism rock slope slope failure high rock slope axis stead slope damage ellipsoid geometry failure kinematic intensity wedge...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7375
... Abstract Rock slopes adjacent to linear infrastructure pose potential hazards to traffic and inspection personnel; remote sensing data can minimize the hazards posed and can provide more detail on rock slopes. Remote sensing data from terrestrial photogrammetric or lidar data collection from...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7596
... increase in the frequency of rock and icefall events. Ice build-up can destabilize a rock slope by expansive action (ice-wedging), by surcharging portions of the slope face, and by inducing an ice-dammed condition where water-pressures are allowed to build-up on discontinuity surfaces as a result of...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7629
... control structure, and a spillway chute and stilling basin that discharge spillway flows into the American River downstream of the existing spillway. The stability of the rock slopes upstream of the control structure and approach walls were evaluated using kinematic analyses to screen for critical...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-462
... rock slope characterization is demonstrated with the combined use of fracture and seepage intensity methods. Sources of parameter uncertainty in hydrogeological mapping of rock slope faces are discussed. Data from two open pits where ground-based photogrammetry has been used to characterize the...

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