【摘要】 论述了巷道底鼓的综合防治措施:新奥法施工;选择合理断面;提高围岩强度、改善围岩力学性能;利用支护等。更多还原

【Abstract】 This paper introduced the characteristics of soft rock and the mechanism of runner floor rise and its prevention and cure measure, the measure included New Audtra technology, the choice of availablctunnel section Shape, to rise the strength of surrounding Fok, toprevent the floor rise by use supports and so on.更多还原