Application of secondary bolt net spray and anchor cable composite support technology in mine underground main drainage house great section chamber

Huadian Technology ›› 2017, Vol. 39 ›› Issue (11): 30-32.

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Application of secondary bolt net spray and anchor cable composite support technology in mine underground main drainage house great section chamber

Shanxi Huadian Yuheng Coal and Power Company Limited, Yulin 719000, China

Published:2017-11-25

Abstract

Abstract:

Xiaojihan Coal Mine existing underground main drainage pump house support scheme construction procedure is complicated, construction period is long, and cost is high. The overall mine construction duration and cost is impacted. The support scheme for main drainage pump house and water tank was improved. The secondary bolt net spray and anchor cable composite support scheme was introduced. Mine pressure monitoring result indicated that this support scheme satisfied chamber support requirement, ensured support quality.

Key words:

great section chamber, secondary bolt net spray, anchor cable, support scheme

LIU Jianlin，CHEN Jiageng.

Application of secondary bolt net spray and anchor cable composite support technology in mine underground main drainage house great section chamber

[J]. Huadian Technology, 2017, 39(11): 30-32.

Application of secondary bolt net spray and anchor cable composite support technology in mine underground main drainage house great section chamber

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