JGJT112-2019······1

1 總則······14

2 術語······15

3 基本規定······16

4 地基與基礎······17

4.1 一般規定······17

4.2 地基補強······17

4.3 基礎托換······18

4.4 基礎擴大······19

4.5 房屋糾偏······20

5 砌體結構······22

5.1 一般規定······22

5.2 磚石墻拆砌······23

5.3 磚墻剔砌······24

5.4 磚墻掏砌······24

5.5 磚墻掏拆洞口······25

5.6 磚墻防潮層(帶)修繕······26

5.7 砌體裂縫修繕······27

5.8 磚砌體修繕補強······29

5.9 增設圈梁、構造柱、扶壁柱······31

6 混凝土結構······35

6.1 一般規定······35

6.2 新舊混凝土界面······35

6.3 混凝土板······36

6.4 混凝土梁······38

6.5 混凝土柱······39

6.6 混凝土構件銹脹處理······40

6.7 裂縫修補······40

7 鋼結構······43

7.1 一般規定······43

7.2 鋼構件······43

7.3 連接件······44

7.4 防腐及防火······44

8 木結構······46

8.1 一般規定······46

8.2 木柱······47

8.3 木梁······47

8.4 木屋架······48

8.5 其他木構件······50

9 防水······52

9.1 一般規定······52

9.2 屋面······52

9.3 外墻······55

9.4 衛生間及廚房······57

9.5 地下室······57

10 裝飾裝修······59

10.1 一般規定······59

10.2 清水墻面······59

10.3 抹灰及飾面層······59

10.4 裱糊、涂飾······63

10.5 木裝飾······64

10.6 外墻保溫······65

11 門窗······67

11.1 一般規定······67

11.2 木門窗······67

11.3 鋼門窗······68

11.4 鋁合金、塑料門窗······69

11.5 玻璃······70

12 樓面及地面······71

12.1 一般規定······71

12.2 墊層、找平層······71

12.3 面層······71

12.4 木地板······72

13 給水排水······75

13.1 一般規定······75

13.2 給水管道······75

13.3 排水管道······76

13.4 衛生器具······76

14 供暖通風與空氣調節······78

14.1 一般規定······78

14.2 供暖設備及管道······78

14.3 通風管道······79

14.4 空調設備及管道······79

15 電氣······81

15.1 一般規定······81

15.2 線路······82

15.3 開關與插座······84

15.4 燈具······85

15.5 防雷與接地裝置······86

L5.6 智能化系統······87

本標準用詞說明······88

引用標準名錄······89

附: 條文說明······92

1 總則······96

2 術語······97

3 基本規定······98

4 地基與基礎······99

4.1 一般規定······99

4.2 地基補強······99

4.3 基礎托換······99

4.4 基礎擴大······100

4.5 房屋糾偏······100

5 砌體結構······101

5.1 一般規定······101

5.2 磚石墻拆砌······102

5.3 磚墻剔砌······102

5.4 磚墻掏砌······104

5.5 磚墻掏拆洞口······105

5.6 磚墻防潮層(帶)修繕······106

5.7 砌體裂縫修繕······107

5.8 磚砌體修繕補強······107

5.9 增設圈梁、構造柱、扶壁柱······109

6 混凝土結構······111

6.1 一般規定······111

6.2 新舊混凝土界面······111

6.3 混凝土板······113

6.4 棍凝土梁······114

6.5 混凝土柱······114

6.6 混凝土構件銹脹處理······115

6.7 裂縫修補······115

7 鋼結構······117

7.2 鋼構件······117

7.4 防腐及防火······117

8 木結構······118

8.1 一般規定······118

8.2 木柱······118

8.3 木梁······119

8.4 木屋架······120

8.5 其他木構件······122

9 防水······123

9.1 一般規定······123

9.2 屋面······123

9.3 外墻······124

9.4 衛生間及廚房······125

9.5 地下室······125

10 裝飾裝修······127

10.1 一般規定······127

10.2 清水墻面······127

10.3 抹灰及飾面層······128

10.4 裱糊、涂飾······132

10.5 木裝飾······133

11 門窗······135

11.1 一般規定······135

11.2 木門窗······135

11.3 鋼門窗······135

11.4 鋁合金、塑料門窗······136

11.5 玻璃······136

12 樓面及地面······137

12.2 墊層、找平層······137

12.3 面層······137

12.4 木地板······137

13 給水排水······138

13.1 一般規定······138

13.2 給水管道······138

13.3 排水管道······139

13.4 衛生器具······140

14 供暖通風與空氣調節······141

14.1 一般規定······141

14.2 供暖設備及管道······141

14.3 通風管道······141

14.4 空調設備及管道······142

15 電氣······143

15.1 一般規定······143

15.2 線路······144

15.3 開關與插座······146

15.4 燈具······147

15.5 防雷與接地裝置······148