摘要
该文重点阐述中厚煤层沿空留巷技术,采用煤矸渣混凝土石墙护巷技术,使用混凝土、钢丝绳拉筋、打锚索加固石墙整体支护效果。
In the this paper key elaboration the thick seam gob - side entry retaining technology, uses the coal gangue slag concrete technology, the use concrete, the wire reinforcement, hits the anchor cable reinforcement stone wall whole supports and protections effect.
出处
《山东煤炭科技》
2010年第3期77-78,共2页
Shandong Coal Science and Technology
关键词
煤矸渣混凝土
钢丝绳拉筋
锚索
周期来压
下沉量
coal gangue slag concrete wire reinforcement anchor periodic weighting subsidence
