For example, roadway of high-stress poor rock mass is supported with bolt of high-strength and by shotting concrete, and the support of key par...

• 采用高强锚杆与喷射混凝土对高应力软岩巷道支护,并对巷道关键部位采取钢筋网加强支护,成功地解决了深井软岩巷道的支护难题。