Kumar, Niraj and Paul, Avinash and Singh, Ajoy Kumar and Sinha, A. (2011) Monitoring of Rock Movements Using Multipoint Borehole Extensometer from Surface for safety of structures above stowed goaf of an underground coal mine – a case study. Minetech. pp. 69-74. ISSN 0970-7204

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Abstract

Monitoring of rock movement for ground control initiative for the safety of existing surface features is a prime motto of any mining activity. It becomes a daunting task if the monitoring has to be done for inaccessible area from the surface. The multipoint borehole extensometer (MPBX) has been found very suitable in this regard. An extensometer should be selected on the basis of its intended use, the preciseness of measurement required, the anticipated range of deformation, and the details accompanying installation. In this paper a case study has been discussed here elaborating the modus operandi for the selection of compatible type of MPBX, according to the uses. Also, there is one case study presented depicting the real time monitoring of a coal mine constituted important surface features over under coal pillar extraction panel.

Item Type:	Article
Subjects:	Geo-Mechanics and Mine Design
Divisions:	UNSPECIFIED
Depositing User:	Dr. Satyendra Kumar Singh
Date Deposited:	13 Feb 2012 12:41
Last Modified:	13 Feb 2012 12:41
URI:	http://cimfr.csircentral.net/id/eprint/928

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