煤巷锚杆支护是一个隐蔽工程,锚杆支护成功与否的关键在于施工质量,本文主要对锚杆施工工艺进行了相应的论述。
Bolt supporting is a concealed engineering, and the key is the quality of construction. The technique of bolt supporting is mainly expounded in this paper.
煤巷顶板多数是岩体强度较低的沉积岩,层状岩体结构是沉积岩的主要特征之一。
Most rock roof of roadway is sediment rock, so its intensity is low, the stratification is a common rock mass structure in coal mines.
前言:“两硬”条件下半煤岩巷掘进一直是影响大同煤矿集团有限责任公司采掘关系的主要问题。
Half coal rock lane quick-excavating technique under the condition of "two hard" has always been a main excavating problem influencing the Datong mining Cop.
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