确定沿走向合理的块体长度以保证泉煤盆地中厚煤层房柱系统安全高效开采

Q3 Engineering

Gornye nauki i tekhnologii Pub Date : 2018-08-09 DOI:10.17073/2500-0632-2018-2-3-7

D. Pham, V. G. Vitcalov

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引用次数: 0

摘要

分析了应用该技术的制约因素以及广宁煤盆地采矿和地质条件的复杂性。越南煤矿开采中厚倾斜煤层借鉴国外经验的可行性和可行性。针对该矿区开采条件和地质条件较差的技术特点，采用房柱系统，确定了沿走向的合理块体长度，给出了采空区的准备和施工方案。

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DETERMINATION OF THE RATIONAL LENGTH OF THE BLOCK ALONG THE STRIKE FOR EXPANSION TO PROVIDE SAFETY AND EFFICIENCY IN THE WORKING OF THE MEDIUM THICK IN-CLINED COAL SEAMS WITH THE ROOM AND PILLAR SYSTEM IN THE QUANG NINH COAL BASIN

An analysis of the constraints that apply the technology and the complexities of the mining and geological conditions of the Quang Ninh coal basin. The possi-bility and expediency of using the foreign experience of working out of the me-dium thick inclined coal seams in the mines of Vietnam. The scheme of prepara-tion and working out of the excavation area is given in view of the technological features in difficult mining and geological conditions, using the room and pillar system and determination of the rational length of the block along the strike.

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来源期刊

Gornye nauki i tekhnologii Chemical Engineering-Process Chemistry and Technology

CiteScore

3.00

自引率

0.00%

发文量

审稿时长

15 weeks