Prakash, A. and Kumar, Niraj and Kumbhakar, Dilip and Singh, Ajoy Kumar and Paul, Avinash (2018) A safe depillaring design for shallow depth of cover with influence of surface ground movements: a study in Jharia Coalfield. Arabian Journal of Geosciences, 11 (8). p. 164. ISSN 1866-7511

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Abstract

Extraction of coal from a shallow depth of cover especially under multi-seam mining condition requires intensive precautions in respect to safe working and impact on surface structures. A detailed geotechnical investigation is imperative for the design of a suitable support system during depillaring operation. A study has been exercised in Maheshpur colliery of Jharia Coalfield to assess the stability between the parting of VIIIA and VIIIB seams through numerical modeling. The support systems have been framed for split galleries, slices, and goaf edges with the help of well-established Central Mining Research Institute-Indian School of Mines rock mass rating (CMRI-ISM RMR) and NGI-Q system. A suitable method of depillaring has been designed keeping in view the safety of surface structures in respect to subsidence.

Item Type:	Article
Uncontrolled Keywords:	RMR RQD Rock load Support design Subsidence
Subjects:	Mine Subsidence
Divisions:	UNSPECIFIED
Depositing User:	Mr. B. R. Panduranga
Date Deposited:	19 Nov 2018 12:11
Last Modified:	19 Nov 2018 12:11
URI:	http://cimfr.csircentral.net/id/eprint/1925

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