GB-T51408-2021······1

1 總則······14

2 術(shù)語和符號······15

2.1 術(shù)語······15

2.2 符號······16

3 基本規(guī)定······23

3.1 一般規(guī)定······23

3.2 場地、地基和基礎(chǔ)······23

3.3 試驗和觀測······24

4 地震作用和結(jié)構(gòu)隔震驗算······25

4.1 一般規(guī)定······25

4.2 設(shè)計反應(yīng)譜和地震動輸入······26

4.3 地震作用計算······28

4.4 構(gòu)件截面設(shè)計······32

4.5 上部結(jié)構(gòu)變形驗算······36

4.6 隔震層設(shè)計······37

4.7 下部結(jié)構(gòu)設(shè)計······41

5 隔震支座及隔震構(gòu)造······43

5.1 一般規(guī)定······43

5.2 隔震支座檢驗······44

5.3 隔震支座與結(jié)構(gòu)的連接······44

5.4 隔離縫······45

5.5 穿越隔震層的固定設(shè)施和管線······45

5.6 伸縮縫······46

5.7 檢修及隔震標(biāo)識······46

6 多層與高層建筑······47

6.1 一般規(guī)定······47

6.2 隔震層設(shè)計······48

6.3 結(jié)構(gòu)設(shè)計······49

7 大跨屋蓋建筑······58

7.1 一般規(guī)定······58

7.2 隔震層設(shè)計······59

7.3 大跨屋蓋結(jié)構(gòu)設(shè)計······59

7.4 支承結(jié)構(gòu)設(shè)計······60

8 多層砌體建筑和底部框架-抗震墻砌體建筑······62

8.1 一般規(guī)定······62

8.2 隔震層設(shè)計······63

8.3 結(jié)構(gòu)設(shè)計······63

9 核電廠建筑······65

9.1 一般規(guī)定······65

9.2 隔震設(shè)計······66

9.3 樓層反應(yīng)譜······68

9.4 隔震支座的要求······68

9.5 橡膠隔震支座的檢驗規(guī)則······69

9.6 地震監(jiān)測與報警······70

10 既有建筑和歷史建筑的隔震加固設(shè)計······71

10.1 一般規(guī)定······71

10.2 既有建筑的隔震加固設(shè)計······72

10.3 歷史建筑的隔震加固設(shè)計······73

11 村鎮(zhèn)民居建筑······75

11.1 一般規(guī)定······75

11.2 房屋隔震設(shè)計要點······75

附錄A 隔震建筑抗震性能設(shè)計······79

附錄B 復(fù)振型影響系數(shù)計算公式······83

附錄C 隔震支座連接設(shè)計······85

附錄D 隔震支座力學(xué)分析模型和基本力學(xué)性能要求······90

附錄E 既有建筑加固墻體和柱的托換方法······95

本標(biāo)準(zhǔn)用詞說明······102

引用標(biāo)準(zhǔn)名錄······103

附：條文說明······104

1 總則······109

3 基本規(guī)定······110

3.1 一般規(guī)定······110

3.2 場地、地基和基礎(chǔ)······110

3.3 試驗和觀測······111

4 地震作用和結(jié)構(gòu)隔震驗算······112

4.1 一般規(guī)定······112

4.2 設(shè)計反應(yīng)譜和地震動輸入······113

4.3 地震作用計算······115

4.4 構(gòu)件截面設(shè)計······117

4.5 上部結(jié)構(gòu)變形驗算······119

4.6 隔震層設(shè)計······120

4.7 下部結(jié)構(gòu)設(shè)計······121

5 隔震支座及隔震構(gòu)造······122

5.1 一般規(guī)定······122

5.2 隔震支座檢驗······123

5.3 隔震支座與結(jié)構(gòu)的連接······124

5.4 隔離縫······125

5.5 穿越隔震層的固定設(shè)施和管線······125

5.6 伸縮縫······126

5.7 檢修及隔震標(biāo)識······126

6 多層與高層建筑······127

6.1 一般規(guī)定······127

6.2 隔震層設(shè)計······128

6.3 結(jié)構(gòu)設(shè)計······128

7 大跨屋蓋建筑······131

7.1 一般規(guī)定······131

7.2 隔震層設(shè)計······132

7.3 大跨屋蓋結(jié)構(gòu)設(shè)計······133

7.4 支承結(jié)構(gòu)設(shè)計······133

8 多層砌體建筑和底部框架-抗震墻砌體建筑······135

8.1 一般規(guī)定······135

8.2 隔震層設(shè)計······136

8.3 結(jié)構(gòu)設(shè)計······136

9 核電廠建筑······138

9.1 一般規(guī)定······138

9.2 隔震設(shè)計······139

9.3 樓層反應(yīng)譜······140

9.6 地震監(jiān)測與報警······140

10 既有建筑和歷史建筑的隔震加固設(shè)計······142

10.1 一般規(guī)定······142

10.2 既有建筑的隔震加固設(shè)計······143

10.3 歷史建筑的隔震加固設(shè)計······145

11 村鎮(zhèn)民居建筑······146

11.1 一般規(guī)定······146

11.2 房屋隔震設(shè)計要點······146

附錄A 隔震建筑抗震性能設(shè)計······150