摘要
实例分析了较薄厚煤层巷道布置及支护对轻放面单产的影响,提出了改进切眼布置,支架由顶层向底层过渡等提高单产的技术措施。
The arrangement of roadway in relatively thinner thick seam and the effect of supporting on unit output are analyzed. The measures to improve open-cut siting and to transmit support from top to bottom are presented.
出处
《河北煤炭》
2000年第2期26-27,共2页
Hebei Coal
关键词
厚煤层
轻放工作面
单产技术
锚杆支护
light supported top-coal caving face
arrangement of roadway
transmit
bolting support