Groove broaching method for local variable inclination of hanging wall of steeply inclined thick ore body

Groove broaching method for local variable inclination of hanging wall of steeply inclined thick ore body

The invention relates to a slot broaching method for local variable inclination of a hanging wall of a steeply inclined thick ore body. The slot broaching method comprises the following steps: (1) designing an access road, an in-vein rock drilling roadway and an out-vein transportation roadway; (2)...

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Hauptverfasser: ZHAO LIJUN, MENG HUIMEI, YI RUIJUN, GAO YUNPENG, ZHANG RUI, YANG HUIXUAN, HAO XIANFU, LONG JINGJING, CHAI HENGSHAN, ZHOU TONG, HAN JIANGRUI, SHI HAIJUN, CHAI SHOURUI
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
MINING OR QUARRYING
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creator ZHAO LIJUN
MENG HUIMEI
YI RUIJUN
GAO YUNPENG
ZHANG RUI
YANG HUIXUAN
HAO XIANFU
LONG JINGJING
CHAI HENGSHAN
ZHOU TONG
HAN JIANGRUI
SHI HAIJUN
CHAI SHOURUI
description The invention relates to a slot broaching method for local variable inclination of a hanging wall of a steeply inclined thick ore body. The slot broaching method comprises the following steps: (1) designing an access road, an in-vein rock drilling roadway and an out-vein transportation roadway; (2) determining a broaching groove space distance and a construction position of a hanging wall cutting roadway; (3) after the hanging wall cutting roadway is constructed, the cutting courtyard is constructed according to the design, then a longitudinal grooving medium-length hole row face is constructed along the access road, and then a transverse grooving medium-length hole row face is constructed along the hanging wall cutting roadway; (4) after construction of the longitudinal grooving medium-length hole row surface and the transverse grooving medium-length hole row surface is completed, medium-length hole mining design is carried out, and a medium-length hole front row surface is formed; performing normal access m
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
MINING OR QUARRYING
title Groove broaching method for local variable inclination of hanging wall of steeply inclined thick ore body
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