本規(guī)程的主要技術(shù)內(nèi)容包括總則、術(shù)語和符號、基本規(guī)定、抗震性能目標的驗算、減隔震設(shè)計分析方法、隔震橋梁、減震橋梁、防落梁系統(tǒng)等八章。

DB29-233-2015······1

1 總則······10

2 術(shù)語和符號······11

2.1 術(shù)語······11

2.2 符號······13

3 基本規(guī)定······15

3.1 一般規(guī)定······15

3.2 減隔震設(shè)計的性能目標······15

3.3 減隔震設(shè)計考慮的作用及其組合······16

4 抗震性能目標的驗算······18

4.1 一般規(guī)定······18

4.2 抗震性能目標1······18

4.3 抗震性能目標2······19

4.4 抗震性能目標3······21

5 減隔震設(shè)計分析方法······23

5.1 一般規(guī)定······23

5.2 用于動力時程分析的地震作用······23

5.3 分析模型及分析方法······24

6 隔震橋梁······28

6.1 一般規(guī)定······28

6.2 隔震支座的力學(xué)模型······28

6.3 隔震支座的基本性能······31

6.4 隔震支座的驗算······31

6.5 支座部位的構(gòu)造······32

7 減震橋梁······33

7.1 一般規(guī)定······33

7.2 粘滯流體阻尼器······33

7.3 軟鋼剪切型阻尼器······34

8 防落梁系統(tǒng)······37

8.1 一般規(guī)定······37

8.2 梁搭接長度······38

8.3 防落梁構(gòu)造······39

8.4 高差限制構(gòu)造······39

8.5 位移限制構(gòu)造······39

本規(guī)程用詞說明······43

引用標準名錄······44

條文說明······45

1 總則······49

2 術(shù)語和符號······50

3 基本規(guī)定······51

3.1 一般規(guī)定······51

3.2 減隔震設(shè)計的性能目標······52

3.3 減隔震設(shè)計考慮的作用及其組合······54

4 抗震性能目標的驗算······55

4.1 一般規(guī)定······55

4.2 抗震性能目標1······55

4.3 抗震性能目標2······55

4.4 抗震性能目標3······56

5 減隔震設(shè)計分析方法······57

5.1 一般規(guī)定······57

5.2 用于動力時程分析的地震作用······57

5.3 分析模型及分析方法······58

6 隔震橋梁······59

6.1 一般規(guī)定······59

6.2 隔震支座的力學(xué)模型······60

6.3 隔震支座的基本性能······60

6.4 隔震支座的驗算······61

6.5 支座部位的構(gòu)造······62

7 減震橋梁······64

7.1 一般規(guī)定······64

7.2 粘滯流體阻尼器······64

7.3 軟鋼剪切型阻尼器······67

8 防落梁系統(tǒng)······71

8.1 一般規(guī)定······71

8.2 梁搭接長度······73

8.3 防落梁構(gòu)造······73

8.4 高差限制構(gòu)造······75

8.5 位移限制構(gòu)造······76