Determination of optimal block length along the strike to provide safety and efficiency when extracting medium-thick in-clined coal seams using room-and-pillar method in Quang Ninh coal basin

An analysis of appropriateness of room-and-pillar method for extracting medium-thick inclined coal seams in Quang Ninh Coal Basin taking into account existing mining and geological conditions was carried out. Corresponding foreign experience of applying room-and-pillar method was considered in relat...

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Bibliographic Details

Main Authors:	Duc Thang Pham, Victor G. Vitcalov
Format:	Artigo
Language:	Inglês
Published:	National University of Science and Technology MISiS 2018-06-01
Series:	Горные науки и технологии
Subjects:	coal basin quang ninh expansion medium-thick inclined coal seams room-and-pillar method block uong bi mine mining
Online Access:	https://mst.misis.ru/jour/article/view/105
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