Prakash, A. and Kumar, Ajoy and Singh, K. B. (2012) Coal Extraction Feasibility under Multi-Seam Workings at Bhelatand Amalgamated Colliery of Jharia Coalfield. Mining Engineers Journal , 13 (11). pp. 15-21. ISSN 0975-3001

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Abstract

Coal extraction beyond Non Effective Width (NEW) leads to subsidence and in turn deformation to surface topography. The subsidence impact aggravates under multi-seam workings. Panels were proposed to be depillared from XIV and XIII seams at Bhelatand Amalgamated colliery of Tata Steel, lying below multi-seam workings. The existence of villages and seasonal tanks at surface needs proper mining approach for the safety of surface structures. The paper deals with tensile and compressive strains likely to be developed by varying mining parameters, predicted with the help of influence function method, so as to mine safely below built up areas under a complex multi-seam working.

Item Type:	Article
Uncontrolled Keywords:	seams, subsidence, influence function, mining
Subjects:	Mine Subsidence
Divisions:	UNSPECIFIED
Depositing User:	Dr. Satyendra Kumar Singh
Date Deposited:	11 Jun 2012 05:12
Last Modified:	11 Jun 2012 05:12
URI:	http://cimfr.csircentral.net/id/eprint/1222

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