4.7 质量检查和验收.........................................................................................................................45
4.8 计量和支付.................................................................................................................................47
5 地下洞室开挖.................................................................................................47
5.1 说明.............................................................................................................................................47
5.2 钻孔与爆破.................................................................................................................................49
5.3 开挖面的规格.............................................................................................................................50
5.4 洞(井)口开挖和处理.................................................................................................................51
5.5 地下开挖石渣的利用.................................................................................................................51
5.6 开挖面的清撬与冲洗.................................................................................................................52
5.7 地下开挖超前勘探.....................................................................................................................52
5.8 地下洞室的二次扩挖.................................................................................................................52
5.9 地下照明和通风.........................................................................................................................53
5.10 地下水的控制和排除...............................................................................................................53
5.11 岩溶地区的地下开挖...............................................................................................................54
5.13 计量和支付...............................................................................................................................54
6 支护.................................................................................................................55
6.1 说明.............................................................................................................................................55
6.2 岩石锚杆.....................................................................................................................................57
6.3 岩石预应力锚束.........................................................................................................................59
6.4 喷射混凝土.................................................................................................................................62
6.5 钢支撑.........................................................................................................................................64
7 钻孔和灌浆.....................................................................................................65
7.1 说明.............................................................................................................................................65
7.2 材料.............................................................................................................................................66
7.3 设备.............................................................................................................................................67
7.4 钻孔.............................................................................................................................................68
7.5 钻孔冲洗和压水试验.................................................................................................................69
7.6 灌浆试验.....................................................................................................................................70
7.7 制浆.............................................................................................................................................70
7.8 岩基固结灌浆和帷幕灌浆.........................................................................................................71
7.9 地下洞室灌浆.............................................................................................................................73
7.10 混凝土坝接缝灌浆................................................................................................................74
7.11 化学灌浆...............................................................................................................................76
7.12 灌浆工程验收.........................................................................................................................77
7.13 计量和支付...........................................................................................................................78
8 基础防渗工程...................................................................................79
8 . 1 说 明 ........................................................................................................................................79
8 . 2 混 凝 土防 渗 墙........................................................................................................................81
8.3 高压喷射注浆防渗墙..............................................................................................................86
9 地 基 加 固 工 程 ...............................................................................89
9 . 1 说 明 ........................................................................................................................................89
9 . 2 桩 基 ........................................................................................................................................90
9 . 3 振 冲 ........................................................................................................................................95
9 . 4 沉 井 .........................................................................................................................................98
10 土石方填筑工程............................................................................101
1 0 . 1 说 明 .....................................................................................................................................101