GB50422-2017······1

1 總則······11

2 術語和符號······12

2.1 術語······12

2.2 符號······12

3 基本規定······15

4 路面結構設計······19

4.1 幾何尺寸······19

4.2 配筋······19

4.3 滑動層······21

4.4 伸縮縫······21

4.5 枕梁······23

4.6 錨固區······23

4.7 后澆帶······24

5 材料······26

5.1 混凝土材料······26

5.2 普通鋼材和無粘結預應力鋼絞線······26

5.3 錨具系統······27

5.4 接縫材料······27

5.5 外加劑······27

6 施工要求······29

6.1 施工機具······29

6.2 施工準備······30

6.3 施工工序······30

6.4 枕梁和伸縮縫施工······31

6.5 滑動層鋪設······31

6.6 立模板、布置鋼筋······32

6.7 預應力混凝土路面的澆筑······33

6.8 無粘結預應力鋼絞線張拉······33

6.9 養護······34

6.10 后澆帶混凝土施工······34

6.11 伸縮縫整修及填縫······35

6. 四特殊氣候條件下的施工······35

7 質量驗收······36

7.1 一般規定······36

7.2 滑動層······36

7.3 混凝土面層······40

附錄A 預應力混凝土路面面板應力分析及計算流程······47

本規范用詞說明······53

引用標準名錄······54

附: 條文說明······55

1 總則······60

2 術語和符號······61

2.1 術語······61

2.2 符號······61

3 基本規定······62

4 路面結構設計······66

4.1 幾何尺寸······66

4.2 配筋······74

4.3 滑動層······76

4.4 伸縮縫······79

4.5 枕梁······80

4.6 錨固區······81

4.7 后澆帶······84

5 材料······85

5.1 混凝土材料······85

5.2 普通鋼材和無粘結預應力鋼絞線······85

5.3 銷具系統······87

5.4 接縫材料······87

5.5 外加劑······88

6 施工要求······89

6.1 施工機具······89

6.2 施工準備······92

6.3 施工工序······93

6.4 枕梁和伸縮縫施工······94

6.5 滑動層鋪設······97

6.6 立模板、布置鋼筋······97

6.7 預應力混凝土路面的澆筑······98

6.8 無粘結預應力鋼絞線張拉······99

6.9 養護······100

6.10 后澆帶混凝土施工······100

6.11 伸縮縫整修及填縫······101

6.12 特殊氣候條件下的施工······101

7 質量驗收······102

7.2 滑動層······102

7.3 混凝土面層······102

附錄A 預應力棍凝土路面面板應力分析及計算流程······103