GB50119-2013：混凝土外加剂应用技术规范

1 总则······14

2 术语和符号······15

2.1 术语······15

2.2 符号······15

3 基本规定······16

3.1 外加剂的选择······16

3.2 外加剂的掺量······17

3.3 外加剂的质量控制······17

4 普通减水剂······19

4.1 品种······19

4.2 适用范围······19

4.3 进场检验······20

4.4 施工······20

5 高效减水剂······22

5.1 品种······22

5.2 适用范围······22

5.3 进场检验······22

5.4 施工······23

6 聚羧酸系高性能减水剂······24

6.1 品种······24

6.2 适用范围······24

6.3 进场检验······24

6.4 施工······25

7 引气剂及引气减水剂······27

7.1 品种······27

7.2 适用范围······27

7.3 技术要求······27

7.4 进场检验······28

7.5 施工······29

8 早强剂······30

8.1 品种······30

8.2 适用范围······30

8.3 进场检验······30

8.4 施工······31

9 缓凝剂······32

9.1 品种······32

9.2 适用范围······32

9.3 进场检验······32

9.4 施工······33

10 泵送剂······34

10.1 品种······34

10.2 适用范围······34

10.3 技术要求······34

10.4 进场检验······35

10.5 施工······36

11 防冻剂······37

11.1 品种······37

11.2 适用范围······37

11.3 进场检验······37

11.4 施工······38

12 速凝剂······39

12.1 品种······39

12.2 适用范围······39

12.3 进场检验······39

12.4 施工······40

13 膨胀剂······42

13.1 品种······42

13.2 适用范围······42

13.3 技术要求······42

13.4 进场检验······43

13.5 施工······44

14 防水剂······45

14.1 品种······45

14.2 适用范围······45

14.3 进场检验······45

14.4 施工······46

15 阻锈剂······47

15.1 品种······47

15.2 适用范围······47

15.3 进场检验······47

15.4 施工······48

附录A 混凝土外加剂相容性快速试验方法······49

附录B 补偿收缩混凝土的限制膨胀率测定方法······52

附录C 灌浆用膨胀砂浆竖向膨胀率的测定方法······55

本规范用词说明······58

引用标准名录······59

附:条文说明······60

1 总则······66

2 术语和符号······67

2.1 术语······67

3 基本规定······68

3.1 外加剂的选择······68

3.2 外加剂的掺量······70

3.3 外加剂的质量控制······70

4 普通减水剂······72

4.1 品种······72

4.2 适用范围······72

4.3 进场检验······73

4.4 施工······73

5 高效减水剂······75

5.1 品种······75

5.2 适用范围······75

5.3 进场检验······75

5.4 施工······76

6 聚羧酸系高性能减水剂······78

6.1 品种······78

6.2 适用范围······78

6.3 进场检验······79

6.4 施工······79

7 引气剂及引气减水剂······82

7.1 品种······82

7.2 适用范围······82

7.3 技术要求······83

7.4 进场检验······83

7.5 施工······83

8 早强剂······85

8.1 品种······85

8.2 适用范围······85

8.3 进场检验······86

8.4 施工······86

9 缓凝剂······87

9.1 品种······87

9.2 适用范围······87

9.3 进场检验······88

9.4 施工······88

10 泵送剂······90

10.1 品种······90

10.2 适用范围······90

10.3 技术要求······91

10.4 进场检验······92

10.5 施工······92

11 防冻剂······94

11.1 品种······94

11.2 适用范围······94

11.3 进场检验······94

11.4 施工······95

12 速凝剂······96

12.1 品种······96

12.2 适用范围······96

12.3 进场检验······97

12.4 施工······97

13 膨胀剂······100

13.1 品种······100

13.2 适用范围······100

13.3 技术要求······101

13.4 进场检验······103

13.5 施工······103

14 防水剂······105

14.1 品种······105

14.2 适用范围······105

14.3 进场检验······106

14.4 施工······106

15 阻锈剂······108

15.1 品种······108

15.2 适用范围······108

15.3 进场检验······109

15.4 施工······109

附录A 混凝土外加剂相容性快速试验方法······110

附录B 补偿收缩混凝土的限制膨胀率测定方法······112

附录C 灌浆用膨胀砂浆竖向膨胀率的测定方法······113