GBT51241-2017······1

1 總則······11

2 術(shù)語(yǔ)和縮略語(yǔ)······12

2.1 術(shù)語(yǔ)······12

2.2 縮略語(yǔ)······13

3 基本規(guī)定······14

4 補(bǔ)口防腐層分類和選用······15

5 涂敷工藝和評(píng)定······17

5.1 施工工藝規(guī)程······17

5.2 工藝評(píng)定試驗(yàn)······18

5.3 施工前試驗(yàn)······18

6 表面處理······19

6.1 鋼材表面處理······19

6.2 搭接區(qū)的防腐層處理······20

7 熱收縮材料補(bǔ)口······21

7.1 補(bǔ)口材料······21

7.2 補(bǔ)口施工······30

7.3 補(bǔ)口質(zhì)量檢驗(yàn)······31

8 液體涂料補(bǔ)口······34

8.1 補(bǔ)口防腐層······34

8.2 補(bǔ)口材料······34

8.3 補(bǔ)口施工······38

8.4 補(bǔ)口質(zhì)量檢驗(yàn)······39

9 聚合物膠粘帶補(bǔ)口······42

9.1 補(bǔ)口材料······42

9.2 補(bǔ)口施工······45

9.3 補(bǔ)口質(zhì)量檢驗(yàn)······46

10 黠彈體膠帶補(bǔ)口······48

10.1 補(bǔ)口防腐層······48

10.2 補(bǔ)口材料······48

10.3 補(bǔ)口施工······51

10.4 補(bǔ)口質(zhì)量檢驗(yàn)······52

11 環(huán)氧粉末補(bǔ)口······55

11.1 補(bǔ)口防腐層結(jié)構(gòu)······55

11.2 補(bǔ)口材料······55

11.3 補(bǔ)口防腐層施工和質(zhì)量檢驗(yàn)······58

12 交工文件······60

附錄A 滴垂試驗(yàn)方法······61

附錄B 壓敏膠吸水性試驗(yàn)方法······62

附錄C 補(bǔ)口防腐層耐熱水浸泡試驗(yàn)方法······64

附錄D 防腐層絕緣電阻試驗(yàn)方法······66

本規(guī)范用詞說(shuō)明······68

引用標(biāo)準(zhǔn)名錄······69

附: 條文說(shuō)明······71

1 總則······75

2 術(shù)語(yǔ)和縮略語(yǔ)······76

2.1 術(shù)語(yǔ)······76

3 基本規(guī)定······77

4 補(bǔ)口防腐層分類和選用······78

5 涂敷工藝和評(píng)定······79

5.1 施工工藝規(guī)程······79

5.2 工藝評(píng)定試驗(yàn)······79

5.3 施工前試驗(yàn)······80

6 表面處理······81

6.1 鋼管表面處理······81

6.2 搭接區(qū)的防腐層處理······81

7 熱收縮材料補(bǔ)口······82

7.1 補(bǔ)口材料······82

7.2 補(bǔ)口施工······83

7.3 補(bǔ)口質(zhì)量檢驗(yàn)······84

8 液體涂料補(bǔ)口······86

8.1 補(bǔ)口防腐層······86

8.2 補(bǔ)口材料······86

8.3 補(bǔ)口施工······87

8.4 補(bǔ)口質(zhì)量檢驗(yàn)······87

9 聚合物膠粘帶補(bǔ)口······88

9.1 補(bǔ)口材料······88

9.2 補(bǔ)口施工······88

9.3 補(bǔ)口質(zhì)量檢驗(yàn)······89

10 黠彈體膠帶補(bǔ)口······90

10.1 補(bǔ)口防腐層······90

10.2 補(bǔ)口材料······90

10.3 補(bǔ)口施工······90

10.4 補(bǔ)口質(zhì)量檢驗(yàn)······91

11 環(huán)氧粉末補(bǔ)口······92

11.1 補(bǔ)口防腐層結(jié)構(gòu)······92

11.2 補(bǔ)口材料······92

11.3 補(bǔ)口防腐層施工和質(zhì)量檢驗(yàn)······92

12 交工文件······94