特殊条件下大断面交岔点加固技术

Large section crossing point timbering technology used in special conditions

利用锚索、锚注技术对巷道断面大、地质条件差、压力大等复杂条件下的矿工钢抬棚式交岔点的加固 。

Timbering mine steel crossing point with anchor and bolting-grouting technique used in complex conditions of roadway large section, poor geology and large pressue has made obvious result