GBT50046-2018······1
1 总则······12
2 术语······13
3 基本规定······14
3.1 腐蚀性分级······14
3.2 总平面及建筑布置······20
3.3 防护层设计使用年限······21
4 结构和构件······22
4.1 一般规定······22
4.2 混凝土结构······22
4.3 钢结构······25
4.4 钢与混凝土组合结构······26
4.5 砌体结构······26
4.6 木结构······27
4.7 地基······27
4.8 基础······28
4.9 桩基础······30
5 建筑防护······34
5.1 地面······34
5.2 结构及构件的表面防护······42
5.3 门窗······45
5.4 屋面······45
5.5 墙体······46
6 构筑物······47
6.1 储槽、污水处理池······47
6.2 室外管架······49
6.3 排气筒······50
7 材料······52
7.1 一般规定······52
7.2 水泥砂浆和混凝土······52
7.3 耐腐蚀块材······54
7.4 金属······54
7.5 塑料······54
7.6 木材······55
7.7 树脂类材料······55
7.8 水玻璃类材料······55
7.9 沥青类材料······56
7.10 防腐蚀涂料······56
附录A 常用材料的耐腐蚀性能······58
附录B 常用材料的物理力学性能······61
附录C 防腐蚀涂层配套······63
附录D 树脂砂浆和树脂混凝土线收缩率试验检验方法······71
本标准用词说明······73
引用标准名录······74
附:条文说明······76
1 总则······80
2 术语······82
3 基本规定······84
3.1 腐蚀性分级······84
3.2 总平面及建筑布置······91
3.3 防护层设计使用年限······92
4 结构和构件······94
4.1 一般规定······94
4.2 混凝土结构······95
4.3 钢结构······99
4.4 钢与混凝土组合结构······102
4.5 砌体结构······103
4.6 木结构······104
4.7 地基······104
4.8 基础······106
4.9 桩基础······108
5 建筑防护······111
5.1 地面······111
5.2 结构及构件的表面防护······116
5.3 门窗······118
5.4 屋面······118
5.5 墙体······119
6 构筑物······120
6.1 储槽、污水处理池······120
6. 2 室外管架······123
6.3 排气筒······123
7 材料······126
7.1 一般规定······126
7.2 水泥砂浆和混凝土······126
7.3 耐腐蚀块材······130
7.4 金属······131
7.5 塑料······132
7.6 木材······132
7.7 树脂类材料······132
7.8 水玻璃类材料······133
7.9 沥青类材料······134
7.10 防腐蚀涂料······134
附录C 防腐蚀涂层配套······136
