摘要
锚杆支护是煤矿巷道掘进过程中一种主要支护形式 ,可以与钢带、金属网、工字钢梁、锚索配合使用。合理选择锚杆参数及支护形式 ,是安全、科学、经济的提高支护质量的有效途径。
Bolt supporting is the main means for supporting in exacavating,and it may combined with steel belt,mesh,beam and rope to be use.It is effective to choose bolt parameters reasonbly for safe and economic supporting.
出处
《山西煤炭》
2004年第1期39-40,共2页
Shanxi Coal
关键词
锚杆支护
巷道掘进
井工开采
围岩
underground mining
bolt supporting
surrounding rock
