Coal Pillar Extraction Under Weak Roof
IR@CIMFR: CSIR-Central Institute of Mining and Fuel Research, Dhanbad
View Archive Info| Field | Value | |
| Title |
Coal Pillar Extraction Under Weak Roof
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| Creator |
Singh, Arun Kumar
Kumar, Ashok Singh, Rajendra Ram, Sahendra Kumar, Rakesh Singh , Amit Kumar |
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| Subject |
Geo-Mechanics and Mine Design
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| Description |
This article offers an examination of a retreat mining method conducted at the Pinoura Mine in India from 2010 to 2017. The method is atypical for coal mines of India’s coalfields. The method executes depillaring in a single pass and does not require the formation of galleries and support installation in splits, thus, reducing the cycle time. A variety of observations are discussed throughout this work and emphasis is placed on field measurements and depillaring under weak roof (RMR = 40–45). This paper discusses design techniques, specifically the estimation of the snook (remnant pillar) size, and important practical observations after the fact. The execution of this method was eventually conducted in eleven panels.
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| Date |
2020-08-04
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| Type |
Article
PeerReviewed |
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| Identifier |
Singh, Arun Kumar and Kumar, Ashok and Singh, Rajendra and Ram, Sahendra and Kumar, Rakesh and Singh , Amit Kumar (2020) Coal Pillar Extraction Under Weak Roof. Mining, Metallurgy & Exploration, 37. pp. 1451-1459.
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| Relation |
http://cimfr.csircentral.net/2271/
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