水库大坝工程施组.docx

水库大坝工程施组.docx

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水库大坝工程施组

第一章编制依据.............................................................................................................................................1

第二章工程概况.............................................................................................................................................2

2.1工程概况..............................................................................................................................................2

2.2水文气象和工程地质...........................................................................................................................2

2.2.1水文气象..................................................................................................................................2

2.2.2工程地质..................................................................................................................................3

2.3对外交通条件......................................................................................................................................3

2.4建材及水、电......................................................................................................................................3

2.5工程项目和工作内容...........................................................................................................................4

第三章施工平面布置....................................................................................................................................6

3.1布置依据、原则...................................................................................................................................6

3.1.1布置依据.....................................................................................................................................6

3.1.2布置原则....................................................................................................................................6

3.2交通运输..............................................................................................................................................6

3.3施工供风、水、电及通讯...................................................................................................................6

3.3.1施工供水....................................................................................................................................6

3.3.2施工供风....................................................................................................................................7

3.3.3施工供电....................................................................................................................................7

3.3.4施工通讯....................................................................................................................................7

3.4临建设施..............................................................................................................................................8

3.4.1生活设施.....................................................................................................................................8

3.4.2通讯及照明.................................................................................................................................8

3.4.3生产设施....................................................................................................................................8

3.5弃碴场................................................................................................................................................10

第四章施工方案...........................................................................................................................................11

4.1工程测量............................................................................................................................................11

4.2施工导流............................................................................................................................................12

4.2.1枯水期施工导流........................................................................................................................12

4.2.2汛期导流...................................................................................................................................12

4.3砂石骨料生产系统及砼生产系统.....................................................................................................12

4.3.1砂石骨料生产系统....................................................................................................................12

4.3.2砼生产系统................................................................................................................................13

4.4坝基开挖及地基处理.........................................................................................................................14

4.5坝体砌筑工程施工工艺及方法.........................................................................................................16

4.5.1砌体上坝运输方式....................................................................................................................16

4.5.2砌体与基岩的连接....................................................................................................................17

4.5.3砼砌石体及砂浆砌石体............................................................................................................17

4.5.4砌筑质量控制与检查................................................................................................................21

4.6砼工程..............................................................................................................................................23

1

××××××程有限公司II

4.6.1混凝土上坝运输方式................................................................................................................23

4.6.2材料...........................................................................................................................................23

4.6.3配料与拌和................................................................................................................................24

4.6.4模板...........................................................................................................................................25

4.6.5钢筋..........................................................................................................................................27

4.6.6砼浇筑.......................................................................................................................................28

4.6.7混凝土工作缝处理....................................................................................................................29

4.6.8养护...........................................................................................................................................29

4.6.9冬、夏季、和雨天施工............................................................................................................30

4.6.10防渗体施工..............................................................................................................................30

4.6.11止水设施的施工......................................................................................................................32

4.6.12质量保证措施..........................................................................................................................33

4.7金属结构设备及安装....................................................................................................................34

4.7.1执行规范...................................................................................................................................34

4.7.2安装材料...................................................................................................................................35

4.7.3安装技术要求............................................................................................................................35

4.8帷幕灌浆.........................................................................................................................................38

4.8.1施工方法...................................................................................................................................38

4.8.2施工工序...................................................................................................................................39

4.8.3钻孔灌浆工艺流程....................................................................................................................39

4.8.4灌浆材料...................................................................................................................................49

4.8.5特殊情况的处理........................................................................................................................50

第五章施工机械设备..................................................................................................................................53

第六章施工进度计划安排..........................................................................................................................56

6.1工期安排计划.................................................................................................................................56

6.2施工进度计划..................................................................................................................................57

6.2.1度汛施工进度计划表.........................................................................................................57

6.2.2大坝施工进度计划表.........................................................................................................58

6.3施工进度计划横道图......................................................................................................................58

6.3.1度汛施工进度计划横道图.................................................................................................58

6.3.2大坝施工进度计划横道图.................................................................................................59

6.4工期保证措施.........................................................................