GBT51410-2020······1

1 總則······9

2 術語······10

3 基本規定······11

4 建筑縫隙封堵設計······14

5 貫穿孔口封堵設計······16

5.1 一般規定······16

5.2 管道貫穿孔口的封堵······16

5.3 電氣線路貫穿孔口的封堵······18

5.4 其他貫穿孔口的封堵······19

6 施工和驗收······20

6.1 一般規定······20

6.2 施工······20

6.3 驗收······22

附錄A 防火封堵施工過程檢查記錄······25

附錄B 防火封堵隱蔽工程質量驗收記錄······26

本標準用詞說明······27

引用標準名錄······28

附：條文說明······29

1 總則······32

2 術語······34

3 基本規定······36

4 建筑縫隙封堵設計······41

5 貫穿孔口封堵設計······44

5.1 一般規定······44

5.2 管道貫穿孔口的封堵······45

5.3 電氣線路貫穿孔口的封堵······48

5.4 其他貫穿孔口的封堵······50

6 施工和驗收······52

6.1 一般規定······52

6.2 施工······53

6.3 驗收······54