CJJ/T311-2020：模块化雨水储水设施技术标准

CJJT311-2020······1

1 总则······12

2 术语和符号······13

2.1 术语······13

2.2 符号······15

3 材料及选用······18

3.1 塑料模块······18

3.2 硅砂模块······18

3.3 土工膜、土工布······18

3.4 模块储水池配管······19

4 模块储水池设施······20

4.1 一般规定······20

4.2 设施组成······20

5 模块储水池······22

5.1 一般规定······22

5.2 储水池容积······23

5.3 储水池装配设计······25

6 模块储水池配套设施······28

6.1 弃流井、进水井及出水井······28

6.2 池内清洗设施······29

6.3 池内水质维持系统······30

7 模块储水池结构计算······32

7.1 一般规定······32

7.2 池体顶部计算荷载······33

7.3 池体侧向计算荷载······35

7.4 基础、盖板······35

7.5 池体抗浮稳定验算······36

7.6 池体安全性核查······37

8 施工安装······39

8.1 一般规定······39

8.2 基坑开挖及处理······40

8.3 储水池基础······43

8.4 模块储水池组装······45

8.5 土工膜、土工布包覆······47

8.6 储水池回填土······49

9 质量检验及验收······51

9.1 一般规定······51

9.2 竣工验收······52

10 维护管理······53

10.1 一般规定······53

10.2 水质维持······54

10.3 储水池清洗······54

附录A 汽车尺寸及荷重······55

附录B 模块储水设施单位工程、分部工程及分项工程划分······56

附录C 施工质量验收记录表格······58

附录D 复合土工膜、土工布搭接质量检验方法······61

附录E 模块储水池穿管质量检验方法······64

附录F 模块储水池工程交接验收记录······65

附录G 模块储水池满水试验记录表······66

本标准用词说明······67

引用标准名录······68

附：条文说明······69

1 总则······73

2 术语和符号······75

2.1 术语······75

2.2 符号······75

3 材料及选用······76

3.1 塑料模块······76

3.2 硅砂模块······76

3.3 土工膜、土工布······77

3.4 模块储水池配管······78

4 模块储水池设施······79

4.1 一般规定······79

4.2 设施组成······80

5 模块储水池······81

5.1 一般规定······81

5.2 储水池容积······82

5.3 储水池装配设计······83

6 模块储水池配套设施······89

6.1 弃流井、进水井及出水井······89

6.2 池内清洗设施······90

6.3 池内水质维持系统······90

7 模块储水池结构计算······92

7.1 一般规定······92

7.2 池体顶部计算荷载······92

7.3 池体侧向计算荷载······93

7.4 基础、盖板······94

7.5 池体抗浮稳定验算······94

7.6 池体安全性核查······95

8 施工安装······96

8.1 一般规定······96

8.2 基坑开挖及处理······97

8.3 储水池基础······98

8.4 模块储水池组装······99

8.5 土工膜、土工布包覆······100

8.6 储水池回填土······103

9 质量检查及验收······105

9.1 一般规定······105

9.2 竣工验收······105

10 维护管理······106

10.1 一般规定······106

10.2 水质维持······107

10.3 储水池清洗······107