本規(guī)范主要技術(shù)內(nèi)容包括:總則、術(shù)語和符號、材料、基本規(guī)定、持久狀況承載能力極限狀態(tài)計(jì)算、持久狀況正常使用極限狀態(tài)計(jì)算、結(jié)構(gòu)與構(gòu)造、鋼管拱肋制造、焊接施工、防腐涂裝施工、鋼管拱肋架設(shè)、管內(nèi)混凝土的澆注、其他構(gòu)造施工、養(yǎng)護(hù)。

GB50923-2013······1

1總則······11

2 術(shù)語和符號······12

2.1 術(shù)語······12

2.2 符號······13

3 材料······19

3.1 鋼材······19

3.2 混凝土······20

3.3 鋼管混凝土······20

3.4 其他材料······21

4 基本規(guī)定······22

4.1 一般規(guī)定······22

4.2 作用······23

4.3 結(jié)構(gòu)計(jì)算······24

5 持久狀況承載能力極限狀態(tài)計(jì)算······26

5.l 一般規(guī)定······26

5.2 拱肋強(qiáng)度計(jì)······27

5.3 拱肋穩(wěn)定計(jì)······31

5.4 吊索和系桿······36

6 持久狀況正常使用極限狀態(tài)計(jì)算······37

7 結(jié)構(gòu)與構(gòu)造······38

7.1 結(jié)構(gòu)形式······38

7.2 主拱······39

7.3 拱座與立柱······42

7.4 吊索和系扦索······42

7.5 橋面系······43

8 鋼管拱肋制造······44

8.1 鋼管加工制作······44

8.2 鋼管拱肋組裝······44

8.3 鋼管拱肋質(zhì)量襝驗(yàn)······45

9 焊接施工······49

10 防腐涂裝施工······52

11 鋼管拱肋架設(shè)······54

11.1 一般規(guī)定······54

11.2 鋼管拱肋架設(shè)與質(zhì)量檢驗(yàn)······54

12 管內(nèi)混凝土的澆注······56

12.1 一股規(guī)定······56

12.2 管內(nèi)混凝土的澆注施工······57

12.3 管內(nèi)混凝土澆注后質(zhì)量檢驗(yàn)······58

13 其他構(gòu)造施工······59

13.1 一般規(guī)定······59

13.2 吊索與系桿索的安裝與質(zhì)量檢驗(yàn)······59

14 養(yǎng)護(hù)······61

14.1 養(yǎng)護(hù)的基本規(guī)定······61

14.2 撿查與評定······61

14.3 結(jié)構(gòu)養(yǎng)護(hù)······67

本規(guī)范用詞說明······70

引用標(biāo)準(zhǔn)名錄······71

附:條文說明······73

1 總則······77

2 術(shù)語和符號······79

3 材料······80

3.1 鋼材······80

3.2 混凝土······81

3.3 鋼管混凝土······81

3.4 其他材料······82

4 基本規(guī)定······83

4.1 一般規(guī)定······83

4.2 作用······85

4.3 結(jié)構(gòu)計(jì)算······86

5 持久狀況承載能力極限狀態(tài)計(jì)算······88

5.1 一般規(guī)定······88

5.2 拱肋強(qiáng)度計(jì)算······89

5.3 拱肋穩(wěn)定計(jì)算······90

5.4 吊索與系桿索計(jì)算······92

6 持久狀況正常使用極限狀態(tài)計(jì)算······93

7 結(jié)構(gòu)與構(gòu)造······95

7.1 結(jié)構(gòu)形式······95

7.2 主拱······96

7.3 拱座與立柱······98

7.4 吊索和系桿索······98

7.5 橋面系······99

8 鋼管拱肋制造······101

8.1 鋼管加工制作······101

8.2 鋼管拱肋組裝······101

8.3 鋼管拱肋質(zhì)量檢驗(yàn)······102

9 焊接施工······103

10 防腐涂裝施工······105

11 鋼管拱肋架設(shè)······106

11.1 一般規(guī)定······106

11.2 鋼管拱肋架設(shè)與質(zhì)量檢驗(yàn)······106

12 管內(nèi)混凝土的澆注······107

12.1 一股規(guī)定······107

12.2 管內(nèi)混凝土的澆注施工······110

12.3 管內(nèi)混凝土澆注后質(zhì)量檢驗(yàn)······110

13 其他構(gòu)造施工······112

13.1 一般規(guī)定······112

13.2 吊索與系桿索的安裝與質(zhì)量檢驗(yàn)······112

14 養(yǎng)護(hù)······113

14.1 養(yǎng)護(hù)的基本規(guī)定······113

14.2 檢查與評定······113

14.3 結(jié)構(gòu)養(yǎng)護(hù)······115