CJJ/T111-2023······1

1 總則······11

2 術語和符號······12

2.1 術語······12

2.2 符號······14

3 基本規(guī)定······25

4 材料······27

4.1 主要材料······27

4.2 連接材料······28

5 持久狀況承載能力極限狀態(tài)計算······32

5.1 一般規(guī)定······32

5.2 受彎構件······32

5.3 受壓構件······43

5.4 受扭構件······56

5.5 其他構件······61

6 持久狀況正常使用極限狀態(tài)和應力計算······64

6.1 一般規(guī)定······64

6.2 預應力損失計算······65

6.3 應力計算······66

6.4 抗裂、裂縫寬度及變形驗算······67

7 短暫狀況應力計算······69

7.1 一般規(guī)定······69

7.2 應力計算······69

8 構造設計······72

8.1 一般規(guī)定······72

8.2 主梁構造······72

8.3 體外預應力體系······77

8.4 墩柱與蓋梁······80

8.5 其他構造及附屬設施······83

9 主梁節(jié)段預制······85

9.1 一般規(guī)定······85

9.2 預制場地規(guī)劃與布置······85

9.3 預制測量控制······86

9.4 模板系統(tǒng)······86

9.5 鋼筋及預埋件工程······87

9.6 混凝土施工······88

9.7 節(jié)段的存放及出場驗收······89

9.8 節(jié)段的運輸······91

10 主梁節(jié)段拼裝······92

10.1 一般規(guī)定······92

10.2 拼裝設備······92

10.3 逐跨節(jié)段拼裝施工······93

10.4 懸臂拼裝施工······94

10.5 結構體系轉換······95

10.6 拼裝測量控制······96

10.7 拼裝驗收······97

11 墩柱、蓋梁預制與拼裝······99

11.1 一般規(guī)定······99

11.2 構件預制······99

11.3 墩柱、蓋梁拼裝及驗收······101

本標準用詞說明······104

引用標準名錄······105

附：條文說明······107

1 總則······111

2 術語和符號······113

3 基本規(guī)定······114

4 材料······117

4.2 連接材料······117

5 持久狀況承載能力極限狀態(tài)計算······118

5.1 一般規(guī)定······118

5.2 受彎構件······118

5.3 受壓構件······127

5.4 受扭構件······134

5.5 其他構件······135

6 持久狀況正常使用極限狀態(tài)和應力計算······137

6.1 一般規(guī)定······137

6.2 預應力損失計算······137

6.3 應力計算······138

6.4 抗裂、裂縫寬度及變形驗算······139

7 短暫狀況應力計算······141

7.1 一般規(guī)定······141

7.2 應力計算······141

8 構造設計······143

8.1 一般規(guī)定······143

8.2 主梁構造······143

8.3 體外預應力體系······148

8.4 墩柱與蓋梁······150

8.5 其他構造及附屬設施······152

9 主梁節(jié)段預制······153

9.2 預制場地規(guī)劃與布置······153

9.3 預制測量控制······154

9.5 鋼筋及預埋件工程······154

9.6 混凝土施工······155

9.8 節(jié)段的運輸······155

10 主梁節(jié)段拼裝······156

10.2 拼裝設備······156

10.3 逐跨節(jié)段拼裝施工······156

10.6 拼裝測量控制······157

11 墩柱、蓋梁預制與拼裝······158

11.3 墩柱、蓋梁拼裝及驗收······158