本規(guī)范共分13 章和2 個附錄，主要技術(shù)內(nèi)容包括2 總則、術(shù)語和符號、基本規(guī)定、材料、鋼筋混凝土面層加固法、鋼筋網(wǎng)水泥砂漿面層加固法、外包型鋼加固法、外加預(yù)應(yīng)力撐桿加固法、粘貼纖維復(fù)合材加固法、鋼絲繩網(wǎng)-聚合物改性水泥砂漿面層加固法、增設(shè)砌體扶壁柱加固法、砌體結(jié)構(gòu)構(gòu)造性加固法、砌體裂縫修補(bǔ)法。

GB50702-2011······1

1 總則······13

2 術(shù)語和符號······14

2.1 術(shù)語······14

2.2 符號······15

3 基本規(guī)定······17

3.1 一般規(guī)定······17

3.2 設(shè)計(jì)計(jì)算原則······18

3.3 加固方法及配合使用的技術(shù)······20

4 材料······22

4.1 砌筑材料······22

4.2 混凝土原材料······22

4.3 鋼材及焊接材料······23

4.4 鋼絲繩······25

4.5 纖維復(fù)合材······26

4.6 結(jié)構(gòu)膠粘劑······28

4.7 聚合物改性水泥砂漿······28

4.8 氣體裂縫修補(bǔ)材料······30

4.9 防裂用短纖維······31

5 鋼筋混凝土面層加固法······33

5.1 一般規(guī)定······33

5.2 砌體受壓加固······34

5.3 砌體抗剪加固······37

5.4 砌體抗震加固······37

5.5 構(gòu)造規(guī)定······38

6 鋼筋網(wǎng)水泥砂漿面層加固法······40

6.1 一般規(guī)定······40

6.2 砌體受壓加固······40

6.3 砌體抗剪加固······43

6.4 砌體抗震加固······43

6.5 構(gòu)造規(guī)定······44

7 外包型鋼加固法······47

7.1 一般規(guī)定······47

7.2 計(jì)算方法······47

7.3 構(gòu)造規(guī)定······49

8 外加預(yù)應(yīng)力撐桿加固法······51

8.1 一般規(guī)定······51

8.2 計(jì)算方法······52

8.3 構(gòu)造規(guī)定······54

9 粘貼纖維復(fù)合材加固法······56

9.1 一般規(guī)定······56

9.2 砌體抗剪加固······57

9.3 砌體抗震加固······59

9.4 構(gòu)造規(guī)定······59

10 鋼絲繩網(wǎng)-聚合物改性水泥砂漿面層加固法······61

10.1 一般規(guī)定······61

10.2 砌體抗剪加固······62

10.3 砌體抗震加固······63

10.4 構(gòu)造規(guī)定······64

11 增設(shè)砌體扶壁柱加固法······66

11.1 計(jì)算方法······66

11.2 構(gòu)造規(guī)定······66

12 砌體結(jié)構(gòu)構(gòu)造性加固法······69

12.1 增設(shè)圈梁加固······69

12.2 增設(shè)構(gòu)造柱加固······71

12.3 增設(shè)梁墊加固······72

12.4 砌體局部拆砌······72

13 砌體裂縫修補(bǔ)法······74

13.1 一般規(guī)定······74

13.2 填縫法······74

13.3 壓漿法······75

13.4 外加網(wǎng)片法······77

13.5 置換法······77

附錄A 已有建筑物結(jié)構(gòu)荷載標(biāo)準(zhǔn)值的確定······79

附錄B 粘貼材料粘合加固材與基材的正拉粘結(jié)強(qiáng)度實(shí)驗(yàn)室測定方法及評定標(biāo)準(zhǔn)······82

本規(guī)范用詞說明······89

引用標(biāo)準(zhǔn)名錄······90

附:條文說明······92

1 總則······97

2 術(shù)語和符號······98

2.1 術(shù)語······98

2.2 符號······98

3 基本規(guī)定······99

3.1 一般規(guī)定······99

3.2 設(shè)計(jì)計(jì)算原則······102

3.3 加固方法及配合使用的技術(shù)······103

4 材料······104

4.1 砌筑材料······104

4.2 混凝土原材料······104

4.3 鋼材及焊接材料······105

4.4 鋼絲繩······106

4.5 纖維復(fù)合材······106

4.6 結(jié)構(gòu)膠粘劑······109

4.7 聚合物改性水泥砂漿······111

4.8 氣體裂縫修補(bǔ)材料······113

4.9 防裂用短纖維······113

5 鋼筋混凝土面層加固法······114

5.1 一般規(guī)定······114

5.2 砌體受壓加固······114

5.3 砌體抗剪加固······116

5.4 砌體抗震加固······116

5.5 構(gòu)造規(guī)定······116

6 鋼筋網(wǎng)水泥砂漿面層加固法······118

6.1 一般規(guī)定······118

6.2 砌體受壓加固······118

6.3 砌體抗剪加固······118

6.4 砌體抗震加固······119

6.5 構(gòu)造規(guī)定······119

7 外包型鋼加固法······120

7.1 一般規(guī)定······120

7.2 計(jì)算方法······120

7.3 構(gòu)造規(guī)定······121

8 外加預(yù)應(yīng)力撐桿加固法······123

8.1 一般規(guī)定······123

8.2 計(jì)算方法······123

8.3 構(gòu)造規(guī)定······123

9 粘貼纖維復(fù)合材加固法······124

9.1 一般規(guī)定······124

9.2 砌體抗剪加固······125

9.3 砌體抗震加固······125

9.4 構(gòu)造規(guī)定······126

10 鋼絲繩網(wǎng)-聚合物改性水泥砂漿面層加固法······127

10.1 一般規(guī)定······127

10.2 砌體抗剪加固······128

10.3 砌體抗震加固······128

10.4 構(gòu)造規(guī)定······128

11 增設(shè)砌體扶壁柱加固法······129

11.1 計(jì)算方法······129

11.2 構(gòu)造規(guī)定······129

12 砌體結(jié)構(gòu)構(gòu)造性加固法······130

12.1 增設(shè)圈梁加固······130

12.2 增設(shè)構(gòu)造柱加固······131

12.3 增設(shè)梁墊加固······133

12.4 砌體局部拆砌······133

13 砌體裂縫修補(bǔ)法······135

13.1 一般規(guī)定······135

13.2 填縫法······135

13.3 壓漿法······135

13.4 外加網(wǎng)片法······136

13.5 置換法······136