GBT50046-2018······1

1 總則······12

2 術語······13

3 基本規定······14

3.1 腐蝕性分級······14

3.2 總平面及建筑布置······20

3.3 防護層設計使用年限······21

4 結構和構件······22

4.1 一般規定······22

4.2 混凝土結構······22

4.3 鋼結構······25

4.4 鋼與混凝土組合結構······26

4.5 砌體結構······26

4.6 木結構······27

4.7 地基······27

4.8 基礎······28

4.9 樁基礎······30

5 建筑防護······34

5.1 地面······34

5.2 結構及構件的表面防護······42

5.3 門窗······45

5.4 屋面······45

5.5 墻體······46

6 構筑物······47

6.1 儲槽、污水處理池······47

6.2 室外管架······49

6.3 排氣筒······50

7 材料······52

7.1 一般規定······52

7.2 水泥砂漿和混凝土······52

7.3 耐腐蝕塊材······54

7.4 金屬······54

7.5 塑料······54

7.6 木材······55

7.7 樹脂類材料······55

7.8 水玻璃類材料······55

7.9 瀝青類材料······56

7.10 防腐蝕涂料······56

附錄A 常用材料的耐腐蝕性能······58

附錄B 常用材料的物理力學性能······61

附錄C 防腐蝕涂層配套······63

附錄D 樹脂砂漿和樹脂混凝土線收縮率試驗檢驗方法······71

本標準用詞說明······73

引用標準名錄······74

附:條文說明······76

1 總則······80

2 術語······82

3 基本規定······84

3.1 腐蝕性分級······84

3.2 總平面及建筑布置······91

3.3 防護層設計使用年限······92

4 結構和構件······94

4.1 一般規定······94

4.2 混凝土結構······95

4.3 鋼結構······99

4.4 鋼與混凝土組合結構······102

4.5 砌體結構······103

4.6 木結構······104

4.7 地基······104

4.8 基礎······106

4.9 樁基礎······108

5 建筑防護······111

5.1 地面······111

5.2 結構及構件的表面防護······116

5.3 門窗······118

5.4 屋面······118

5.5 墻體······119

6 構筑物······120

6.1 儲槽、污水處理池······120

6. 2 室外管架······123

6.3 排氣筒······123

7 材料······126

7.1 一般規定······126

7.2 水泥砂漿和混凝土······126

7.3 耐腐蝕塊材······130

7.4 金屬······131

7.5 塑料······132

7.6 木材······132

7.7 樹脂類材料······132

7.8 水玻璃類材料······133

7.9 瀝青類材料······134

7.10 防腐蝕涂料······134

附錄C 防腐蝕涂層配套······136