After the construction,a binded rock mass with the grouted vein as its skeleton was formed from the collapsed mud rock flow like loopse l...

• 施工后，原塌落的泥石流状态的松散层形成了以注浆脉为骨架的结石体，在完全没有支护的情况下，巷道能自稳，对类似矿山具有推广价值。