Singh, V.K. and Prasad, Mohan and Singh, Satyendra Kumar and Rao, D.G. (1995) Slope Design based on Geotechnical study and numerical modelling of deep open pit mine in India. International Journal of Surface Mining, Reclamation and Environment, 9 (3). pp. 105-111. ISSN 1389-5265

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Abstract

A detailed geotechnical study and numerical modelling were done for optimum slope design of a deep (170 m) open pit mine in Rajasthan state of India. The study includes physical characterization of the discontinuities in and around the mine, geomechanical propertis of the slope materials, estimation of Rock Mass Rating and rock mass properties. The data related to different geotechnical parameters were collected from the benches of the partially developed mine and logs of the boreholes. Further, numerical modelling was done for slope stability and sensitivity analyses, based on which optimum slope angle was determined. The study revealed 42° and 48° overall footwall and hangingwall slope angles respectively. Sensitivity analysis shows that ground water is detrimental to the slopes. Hence, every attempt should be done to control the ground water condition.

Item Type:	Article
Subjects:	Slope Stability
Divisions:	UNSPECIFIED
Depositing User:	Dr. Satyendra Kumar Singh
Date Deposited:	22 Jan 2012 09:36
Last Modified:	22 Jan 2012 09:36
URI:	http://cimfr.csircentral.net/id/eprint/745

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