GB50608-2020······1

1 總則······14

2 術(shù)語和符號(hào)······15

2.1 術(shù)語······15

2.2 符號(hào)······16

3 基本規(guī)定······28

3.1 一般規(guī)定······28

3.2 設(shè)計(jì)原則······28

4 材料······30

4.1 一般規(guī)定······30

4.2 纖維布及纖維增強(qiáng)復(fù)合材料······30

4.3 樹脂材料······34

4.4 表面防護(hù)材料······36

5 復(fù)材片材加固混凝土結(jié)構(gòu)······37

5.1 一般規(guī)定······37

5.2 梁、板的抗彎加固······38

5.3 梁、柱的抗剪加固······49

5.4 受壓構(gòu)件加固······54

5.5 柱的抗震加固······63

5.6 嵌入式碳纖維復(fù)材板條抗彎加固······65

5.7 耐火設(shè)計(jì)······68

6 預(yù)應(yīng)力碳纖維復(fù)材板加固混凝土結(jié)構(gòu)······71

6.1 一般規(guī)定······71

6.2 抗彎加固設(shè)計(jì)······71

6.3 錨具要求······78

7 復(fù)材片材加固砌體結(jié)構(gòu)······80

7.1 一般規(guī)定······80

7.2 砌體墻面內(nèi)抗剪加固······80

7.3 抗震加固······83

7.4 構(gòu)造要求······84

8 復(fù)材片材加固鋼結(jié)構(gòu)······86

8.1 一般規(guī)定······86

8.2 梁受彎加固······86

8.3 鋼管加固······90

8.4 抗疲勞加固······92

9 復(fù)材網(wǎng)格加固混凝土結(jié)構(gòu)······94

9.1 復(fù)材網(wǎng)格加固設(shè)計(jì)······94

9.2 構(gòu)造要求······97

10 復(fù)材筋及預(yù)應(yīng)力復(fù)材筋混凝土結(jié)構(gòu)構(gòu)件······99

10.1 一般規(guī)定······99

10.2 復(fù)材筋混凝土受彎構(gòu)件······100

10.3 預(yù)應(yīng)力復(fù)材筋混凝土受彎構(gòu)件······105

10.4 復(fù)材筋混凝土受壓構(gòu)件······116

10.5 構(gòu)造要求······118

11 復(fù)材-混凝土組合梁和組合板······121

11.1 一般規(guī)定······121

11.2 受彎承載力計(jì)算······123

11.3 受剪承載力計(jì)算······127

11.4 界面連接······128

11.5 撓度計(jì)算······129

11.6 構(gòu)造要求······131

12 復(fù)材管組合構(gòu)件······133

12.1 一般規(guī)定······133

12.2 復(fù)材管混凝土組合構(gòu)件······135

12.3 復(fù)材管-混凝土-鋼管組合構(gòu)件······139

12.4 構(gòu)造要求······141

13 施工和驗(yàn)收······143

13.1 一般規(guī)定······143

13.2 粘貼復(fù)材片材加固······144

13.3 預(yù)應(yīng)力碳纖維復(fù)材板加固混凝土結(jié)構(gòu)······148

13.4 復(fù)材網(wǎng)格加固混凝土結(jié)構(gòu)······149

13.5 復(fù)材筋及預(yù)應(yīng)力復(fù)材筋混凝土結(jié)構(gòu)構(gòu)件······150

13.6 復(fù)材-混凝土組合梁和組合板······152

13.7 復(fù)材管組合構(gòu)件······122

附錄A 復(fù)材網(wǎng)格拉伸性能試驗(yàn)方法······153

附錄B 復(fù)材圓管混凝土短柱壓縮試驗(yàn)方法······156

附錄C 粘結(jié)樹脂正拉粘結(jié)強(qiáng)度的測定方法······158

附錄D 纖維布層間粘結(jié)剪切強(qiáng)度試樣制備方法······163

附錄E 纖維增強(qiáng)復(fù)合材料與樹脂材料的玻璃化轉(zhuǎn)變溫度測定方法······164

附錄F 纖維布約束混凝土標(biāo)準(zhǔn)圓柱壓縮試驗(yàn)方法······166

附錄G 耐火設(shè)計(jì)計(jì)算方法······168

附錄H 預(yù)應(yīng)力碳纖維復(fù)材板錨具組裝件試驗(yàn)方法······177

附錄J 軸心受壓鋼構(gòu)件加固設(shè)計(jì)計(jì)算方法······180

附錄K 復(fù)材網(wǎng)格錨固性能試驗(yàn)方法······185

附錄L 體外預(yù)應(yīng)力復(fù)材筋混凝土梁正截面受彎承載力計(jì)算······188

附錄M 復(fù)材圓管混凝土偏心受壓構(gòu)件截面合力和力短計(jì)算方法······192

附錄N 粘貼復(fù)材片材加固混凝土結(jié)構(gòu)施工質(zhì)量現(xiàn)場檢測方法······197

本標(biāo)準(zhǔn)用詞說明······200

引用標(biāo)準(zhǔn)名錄······201

附：條文說明······202

1 總則······207

3 基本規(guī)定······208

3.1 一般規(guī)定······208

3.2 設(shè)計(jì)原則······208

4 材料······210

4.1 一般規(guī)定······210

4.2 纖維布及纖維增強(qiáng)復(fù)合材料······211

4.3 樹脂材料······218

4.4 表面防護(hù)材料······221

5 復(fù)材片材加固混凝土結(jié)構(gòu)······223

5.1 一般規(guī)定······223

5.2 梁、板的抗彎加固······224

5.3 梁、柱的抗剪加固······229

5.4 受壓構(gòu)件加固······231

5.5 柱的抗震加固······236

5.6 嵌入式碳纖維復(fù)材板條抗彎加固······236

5.7 耐火設(shè)計(jì)······239

6 預(yù)應(yīng)力碳纖維復(fù)材板加固混凝土結(jié)構(gòu)······242

6.1 一般規(guī)定······242

6.2 抗彎加固設(shè)計(jì)······243

6.3 錨具要求······244

7 復(fù)材片材加固砌體結(jié)構(gòu)······246

7.1 一般規(guī)定······246

7.2 砌體墻面內(nèi)抗剪加固······247

7.3 抗震加固······248

7.4 構(gòu)造要求······249

8 復(fù)材片材加固鋼結(jié)構(gòu)······250

8.1 一般規(guī)定······250

8.2 梁受彎加固······253

8.3 鋼管加固······256

8.4 抗疲勞加固······258

9 復(fù)材網(wǎng)格加固混凝土結(jié)構(gòu)······262

9.1 復(fù)材網(wǎng)格加固設(shè)計(jì)······262

9.2 構(gòu)造要求······263

10 復(fù)材筋及預(yù)應(yīng)力復(fù)材筋混凝土結(jié)構(gòu)構(gòu)件······265

10.1 一般規(guī)定······265

10.2 復(fù)材筋混凝土受彎構(gòu)件······266

10.3 預(yù)應(yīng)力復(fù)材筋混凝土受彎構(gòu)件······268

10.4 復(fù)材筋混凝土受壓構(gòu)件······270

10.5 構(gòu)造要求······270

11 復(fù)材混凝土組合梁和組合板······272

11.1 一般規(guī)定······272

11.2 受彎承載力計(jì)算······275

11.3 受剪承載力計(jì)算······277

11.4 界面連接······278

11.5 撓度計(jì)算······279

11.6 構(gòu)造要求······279

12 復(fù)材管組合構(gòu)件······281

12.1 一般規(guī)定······281

12.2 復(fù)材管混凝土組合構(gòu)件······283

12.3 復(fù)材管-混凝土-鋼管組合構(gòu)件······286

12.4 構(gòu)造要求······287

13 旋工和驗(yàn)收······288

13.1 一般規(guī)定······288

13.2 粘貼復(fù)材片材加固······288

13.3 預(yù)應(yīng)力碳纖維復(fù)材板加固混凝土結(jié)構(gòu)······292

13.4 復(fù)材網(wǎng)格加固混凝土結(jié)構(gòu)······293

13.5 復(fù)材筋及預(yù)應(yīng)力復(fù)材筋混凝土結(jié)構(gòu)構(gòu)件······294

13.6 復(fù)材-混凝土組合梁和組合板······295

13.7 復(fù)材管組合構(gòu)件······295

附錄A 復(fù)材網(wǎng)格拉伸性能試驗(yàn)方法······296

附錄B 復(fù)材圓管混凝土短柱壓縮試驗(yàn)方法······298

附錄C 粘結(jié)樹脂正拉粘結(jié)強(qiáng)度的測定方法······299

附錄D 纖維布層間粘結(jié)剪切強(qiáng)度試樣制備方法······301

附錄E 纖維增強(qiáng)復(fù)合材料與樹脂材料的玻璃化轉(zhuǎn)變溫度測定方法······302

附錄F 纖維布約束混凝土標(biāo)準(zhǔn)圓柱壓縮試驗(yàn)方法······304

附錄G 耐火設(shè)計(jì)計(jì)算方法······305

附錄H 預(yù)應(yīng)力碳纖維復(fù)材板-錨具組裝件試驗(yàn)方法······306

附錄J 軸心受壓鋼構(gòu)件加固設(shè)計(jì)計(jì)算方法······307

附錄K 復(fù)材網(wǎng)格錨固性能試驗(yàn)方法······308

附錄L 體外預(yù)應(yīng)力復(fù)材筋混凝土梁正截面受彎承載力計(jì)算······310

附錄M 復(fù)材圓管混凝土偏心受壓構(gòu)件截面合力和力矩計(jì)算方法······311

附錄N 粘貼復(fù)材片材加固混凝士結(jié)構(gòu)施工質(zhì)量現(xiàn)場檢測方法······314