【摘要】 针对高地应力软岩巷道支护困难等问题,选择具有代表性的施工巷道,采用不同的支护方式,即围岩条件较好时,优先采用锚喷网、锚索支护,滞后注浆的支护方式;围岩破碎时,采用超前预注浆、架全封闭U型棚、滞后注浆的支护方式。施工后取得了较好的效果。更多还原

【Abstract】 Regarding to difficulties of high stress soft rock roadway support,with representative different support methods need to be adopted if the surrounding rock conditions are good,anchor spray network,anchor cable support,delayed grouting are preferred.If the rock is fractured,then advanced pre-grouting,full-frame close-U shed,and delayed grouting shall be used,good result has been achieved through such methods.更多还原