大体积砼施工方案.docxVIP

大体积砼施工方案

目录

1.项目概况................................................4

1.1工程名称.............................................4

1.2工程地点.............................................5

1.3工程规模.............................................5

1.4施工工期.............................................6

1.5气候条件.............................................7

2.施工准备工作............................................8

2.1材料准备............................................10

2.2机械设备准备........................................11

2.2.1搅拌机..........................................11

2.2.2运输车..........................................13

2.2.3泵送设备........................................14

2.2.4其他辅助设备....................................16

2.3施工人员组织与培训..................................18

2.4施工场地规划........................................19

2.4.1材料堆放区......................................21

2.4.2搅拌站设置......................................22

2.4.3作业道路........................................23

2.4.4排水系统........................................24

2.5安全文明施工........................................24

2.5.1应急预案........................................25

2.5.2安全防护措施....................................26

2.5.3环保措施........................................27

3.大体积砼施工工艺.......................................28

3.1砼配合比设计........................................30

3.1.1目标配合比设计..................................30

3.1.2实际配合比验证..................................32

3.2浇筑顺序与方法......................................32

3.2.1分层浇筑........................................34

3.2.2温度控制措施....................................36

3.2.3防水层处理......................................37

3.3砼养护..............................................38

3.3.1浇水养护........................................39

3.3.2覆盖养护........................................40

3.3.3保湿养护........................................41

4.施工质量控制..................