Spreading & application of bolting support technique in Yuanshi Coal Mine
ZHU Sheng-bin ( Yuanshi Coal Mine of Jingxing Coal Adminis., Yuanshi 051134, China)
App. of supporting tech.by means of bolt-beam-net in drilling of coal roadway can decrease the consumption of materials, reduce the labor hardship and raise the drilling speed.
【CateGory Index】： TD353.6