【摘要】 随着矿井采深的不断加大 ,巷道支护表现出软岩支护的特点 ,锚杆锚固方式由端锚逐步向加长锚、全锚方向发展。从锚杆的支护设计到锚杆的支护密度确定 ,从理论到现场应用 ,全面论述了不同围岩条件下锚杆支护巷道合理支护参数的选择方法。更多还原

【Abstract】 Alongside mining depth of mine continuing,roadway support displays out soft rocks feature,anchor way of bolt must expand from end bolt to long bolt and all bolt.From design of bolt support to density of bolt support,from theroy to spot application,it describes selecting methods of rational support parameter in bolt support roadway under different rock condition.更多还原