4.2 超前地质预报...................................................................38
4.3 洞身开挖.........................................................................42
4.4 装渣与运输......................................................................50
4.5 支护与加固......................................................................55
4.5.1 一般规定.................................................................55
4.5.2 管棚和超前小导管....................................................58
4.5.3 预注浆....................................................................60
4.5.4 喷射混凝土..............................................................62
4.5.5 锚杆.......................................................................63
4.5.6 钢架.......................................................................65
4.6 衬砌................................................................................67
4.6.1 一般规定.................................................................67
4.6.2 衬砌台车.................................................................70
4.6.3 防水板....................................................................71
4.6.4 钢筋.......................................................................72
4.6.5 混凝土浇筑..............................................................72
4.7 监控量测.........................................................................74
4.7.1 一般规定.................................................................74
4.7.2 施工安全性评价.......................................................78
4.8 施工排水.........................................................................80
评论0
最新资源