《城市钢箱梁桥技术规程》

T/CECS***-2023

中国工程建设标准化协会标准

城市钢箱梁桥技术规程

TechnicalspecificationforsteelboxgirderofUrbanbridge

（征求意见稿）

目录

1总则................................................................1

2术语和符号..........................................................2

2.1术语............................................................................................................................2

2.2符号............................................................................................................................4

3基本规定............................................................8

4材料与设计指标.....................................................11

4.1一般规定..................................................................................................................11

4.2钢板和型钢..............................................................................................................11

4.3铸件..........................................................................................................................12

4.4焊接材料..................................................................................................................12

4.5紧固件材料..............................................................................................................13

4.6销、铰、轴用材料..................................................................................................13

4.7圆柱头焊（栓）钉..................................................................................................13

4.8涂装材料..................................................................................................................14

4.9设计指标..................................................................................................................14

5设计...............................................................18

5.1一般规定..................................................................................................................18

5.2景观设计..................................................................................................................18

Ⅰ设计原则...............................................................................................................18

Ⅱ环境调查、分析与景观效果评估.......................................................................19

Ⅲ总体景观设计.......................................................................................................20

Ⅳ构件间形态的视觉衔接.......................................................................................21

Ⅴ表面处理及建筑装饰...........................................................................................22

Ⅵ亮化系统...............................................................................................................23

Ⅶ绿化系统...............................................................................................................23

Ⅷ附属设施景观设计...............................................................................................23

Ⅸ人行天桥...............................................................................................................25

5.3结构总体设计..........................................................................................................26

Ⅰ立面设计...............................................................................................................26

Ⅱ横断面设计...........................................................................................................27

Ⅲ横向连结系设计...................................................................................................28

5.4结构构造..................................................................................................................28

Ⅰ一般规定...............................................................................................................28

Ⅱ钢桥面板...............................................................................................................28

Ⅲ钢箱梁底板...........................................................................................................29

Ⅳ腹板.......................................................................................................................29

Ⅴ横隔板...................................................................................................................31

Ⅵ双主梁和多主梁的横梁.......................................................................................32

5.5连接..........................................................................................................................32

5.6耐久性设计..............................................................................................................33

Ⅰ一般规定...............................................................................................................33

Ⅱ结构构造...............................................................................................................34

Ⅲ涂装体系...............................................................................................................34

Ⅳ除湿设计...............................................................................................................34

Ⅴ检修设施...............................................................................................................35

5.7附属结构设计..........................................................................................................35

Ⅰ钢桥面铺装...........................................................................................................35

Ⅱ护栏设计...............................................................................................................40

Ⅲ排水设计...............................................................................................................41

Ⅳ支座设计...............................................................................................................42

5.8结构受力分析..........................................................................................................42

Ⅰ一般规定...............................................................................................................42

Ⅱ弯曲正应力与剪应力...........................................................................................43

Ⅲ箱梁扭转计算.......................................................................................................43

Ⅳ横隔板受力与刚度计算.......................................................................................43

5.9结构验算..................................................................................................................47

6钢结构制造.........................................................48

6.1一般规定..................................................................................................................48

6.2施工前准备工作......................................................................................................48

6.3零件制造..................................................................................................................50

Ⅰ一般规定...............................................................................................................50

Ⅱ放样与号料...........................................................................................................51

Ⅲ切割.......................................................................................................................51

Ⅳ零件弯曲...............................................................................................................52

Ⅴ零件矫正...............................................................................................................52

Ⅵ零件机加工...........................................................................................................52

Ⅶ检验.......................................................................................................................52

6.4组装..........................................................................................................................55

Ⅰ一般规定...............................................................................................................55

Ⅱ钢板接料...............................................................................................................56

Ⅲ加劲板单元...........................................................................................................57

Ⅳ支承结构...............................................................................................................60

Ⅴ钢箱梁...................................................................................................................60

6.5焊接与矫正..............................................................................................................62

Ⅰ一般规定...............................................................................................................62

Ⅱ焊接工艺评定.......................................................................................................63

Ⅲ焊接环境...............................................................................................................64

Ⅳ定位焊...................................................................................................................64

Ⅴ自动埋弧焊...........................................................................................................65

Ⅵ气体保护焊...........................................................................................................65

Ⅶ手工焊条...............................................................................................................65

Ⅷ圆柱头焊钉焊接...................................................................................................66

Ⅸ正交异性钢桥面板U肋与顶板的焊接...............................................................66

Ⅹ焊缝修磨和返修...................................................................................................66

Ⅺ矫正.......................................................................................................................67

6.6高强度螺栓..............................................................................................................70

Ⅰ一般规定...............................................................................................................70

Ⅱ制孔.......................................................................................................................71

Ⅲ高强度螺栓连接副...............................................................................................72

Ⅳ高强度螺栓连接处的钢板表面处理和摩擦面抗滑移系数检验.......................73

Ⅴ高强度螺栓安装...................................................................................................73

6.7预拼装与试拼装......................................................................................................76

Ⅰ一般规定...............................................................................................................76

Ⅱ工形钢梁...............................................................................................................76

Ⅲ钢箱梁...................................................................................................................77

6.8涂装..........................................................................................................................79

Ⅰ一般规定...............................................................................................................79

Ⅱ表面处理...............................................................................................................80

Ⅲ工厂涂装...............................................................................................................82

Ⅳ工地涂装...............................................................................................................82

6.9包装、存放与运输........................................................................................83

7安装...............................................................84

7.1一般规定..................................................................................................................84

7.2有支架安装..............................................................................................................85

7.3顶推安装..................................................................................................................85

8检验与验收.........................................................86

8.1一般规定..................................................................................................................86

8.2几何尺寸检验..........................................................................................................87

Ⅰ板单元...................................................................................................................87

Ⅱ工形钢梁...............................................................................................................88

Ⅲ钢箱梁...................................................................................................................88

Ⅳ高强度螺栓...........................................................................................................91

Ⅴ涂装.......................................................................................................................92

8.3焊缝质量检验..........................................................................................................94

Ⅰ一般规定...............................................................................................................94

Ⅱ焊缝的外观检验...................................................................................................96

Ⅲ焊缝的无损检验...................................................................................................97

Ⅳ圆柱头焊钉焊缝检验.........................................................................................101

Ⅴ产品试板.............................................................................................................102

8.4成桥检验与验收....................................................................................................102

9养护..............................................................103

9.1一般规定................................................................................................................103

9.2经常性检查............................................................................................................103

9.3定期检测................................................................................................................103

9.4特殊检测................................................................................................................103

9.5钢箱梁养护要点....................................................................................................104

9.6疲劳检测................................................................................................................104

附录A钢材焊接工艺评定.............................................107

A.1一般规定................................................................................................................107

A.2试板........................................................................................................................107

A.3试验及检验............................................................................................................108

A.4焊接工艺评定报告................................................................................................111

附录B圆柱头焊钉焊接工艺评定.......................................112

B.1一般规定................................................................................................................112

B.2试验与检验............................................................................................................112

B.3弯曲与拉伸检验....................................................................................................112

B.4焊接工艺评定报告................................................................................................113

附录C涂装材料复验要求.............................................114

C.1一般规定................................................................................................................114

C.2磨料........................................................................................................................114

C.3涂料........................................................................................................................115

C.4试验方法................................................................................................................117

C.5检验........................................................................................................................119

C.6检测报告................................................................................................................119

附录D高强度螺栓连接抗滑移系数试验方法.............................120

D.1基本要求................................................................................................................120

D.2试验方法................................................................................................................121

D.3抗滑移系数计算方法...........................................................................................121

附录E超声波探伤...................................................123

E.1一般规定................................................................................................................123

E.2设备与器材............................................................................................................123

E.3检测........................................................................................................................125

E.4评定........................................................................................................................127

附录F磁粉探伤.....................................................129

F.1设备与器材............................................................................................................129

F.2检测........................................................................................................................130

F.3评定........................................................................................................................131

附录G射线探伤.....................................................132

G.1一般规定...............................................................................................................132

G.2设备与器材...........................................................................................................133

G.3检测.......................................................................................................................134

G.4评定.......................................................................................................................135

附录H渗透探伤.....................................................138

H.1一般规定...............................................................................................................138

H.2试剂与器材...........................................................................................................138

H.3检测.......................................................................................................................139

H.4评定.......................................................................................................................140

附录I作用与组合...................................................141

I.1作用.........................................................................................................................141

I.2组合.........................................................................................................................144

本规程用词说明.............................................................................................................145

引用标准目录.................................................................................................................146

制定说明.........................................................................................................................152

附：条文说明…………………………153

1总则

1.0.1为适应城市钢箱梁桥建设需要，规范钢箱梁的设计、制造安装和养护的技术要求，提升

钢箱梁工程整体质量及管理水平，特制定本规程。

1.0.2本规程适用于城市建设环境要求的钢箱梁桥（公路桥梁、城市桥梁）的设计、制造安装、

检验验收和养护。

1.0.3城市钢箱梁桥的设计、制造安装、检验验收和养护除执行本规程外，尚应符合行现行国

家、行业和中国工程建设标准化协会有关标准的规定。

1

2术语和符号

2.1术语

2.1.1城市钢箱梁桥steelboxgirderbridge

具有城市建设环境要求的钢箱梁桥，主梁为箱型截面钢梁的简支梁桥、连续梁桥、连续刚

构桥。

2.1.2一般钢箱梁generalsteelboxgirder

钢箱连续桥、钢箱简支梁桥、钢箱组合梁桥等桥梁的钢箱梁，以及系杆拱桥的钢箱系梁、

钢箱横梁等的统称。

2.1.3大型扁平钢箱梁largeaerodynamicsteelboxgirder

大型斜拉桥、悬索桥等桥梁的大型扁平形状钢箱梁。

2.1.4安装节段installsegment

钢结构在现场分段架设时的构件块体。

2.1.5制造节段manufacturingsegment

钢结构在工厂加工制造时划分形成的块体。

2.1.6首制件firstmember

钢桥首制构件或首轮制造构件。

2.1.7构件member

由零件、板单元组成的钢结构基本单元。

2.1.8零件part

组成钢结构桥梁的最小元件。

2.1.9板单元panelunit

由若干零件组成的基本单元。包括顶板单元、底板单元、腹板单元、横隔板单元、纵隔板

单元、风嘴单元等。

2.1.10板元sub-panel

加劲板被加劲肋分割成的若干个无加劲肋的部分板。

2.1.11产品试板producttestplate

为检验纵、横向对接焊缝焊接质量，实际结构焊接时，在焊缝端部设置的焊缝试件。

2.1.12加劲板stiffenedplate

由纵向加劲肋加强的构件翼板被腹板、横隔板或由纵、横向加劲肋加强的腹板被翼板和横

隔板分隔成的若干个有加劲肋的部分板件。由母板和加劲肋组成，加劲肋焊接于母板。

2.1.13受压板件compressedplate

承受压应力的钢板板件。

2

2.1.14超高性能混凝土ultra－highperformanceconcrete

由水泥、矿物掺合料、集料、钢纤维和外加剂等材料或由上述材料制成的干混料加水拌和，

经凝结硬化后形成的一种具有超高强度、韧性和耐久性的水泥基复合材料，简称UHPC。

2.1.15钢桥面铺装pavementofsteeldeckbridge

铺设于桥梁钢制面板之上，供车辆安全舒适行驶，对钢桥面板具有保护作用的铺装结构。

2.1.16剪力连接件shearconnector

将钢与混凝土两种材料连接组合在一起共同受力的构件。

2.1.17栓焊混用连接jointwithcombinedboltsandwelds

在梁、柱、支撑构件的拼接及相互间的连接节点中，翼缘采用熔透焊缝连接，腹板采用摩

擦型高强度螺栓连接的连接接头形式。

2.1.18高强度大六角头螺栓连接副heavy-hexhighstrengthboltassembly

由一个高强度大六角头螺栓，一个高强度大六角螺母和两个高强度平垫圈组成一副的连

接紧固件。

2.1.19扭剪型高强度螺栓连接副twist-off-typehighstrengthboltassembly

由一个扭剪型高强度螺栓，一个高强度大六角螺母和一个高强度平垫圈组成一副的连接

紧固件。

2.1.20摩擦面fayingsurface

高强度螺栓连接板层之间的接触面。

2.1.21摩擦型连接friction-typejoint

依靠高强度螺栓的紧固，在被连接件间产生摩擦阻力以传递剪力而将构件或板单元连成

整体的连接方式。

2.1.22抗滑移系数meanslipcoefficient

高强度螺栓连接摩擦面滑移时，滑动外力与连接中法向压力(等同于螺栓预拉力)的比值。

2.1.23扭矩系数torque-pretensioncoefficient

高强度螺栓连接中，施加于螺母上的紧固扭矩与其在螺栓导入的轴向预拉力(紧固轴力)

之间的比例系数。

2.1.24扭矩法calibratedwrenchmethod

通过控制施工扭矩值对高强度螺栓连接副进行紧固的方法。

2.1.25转角法turn-of-nutmethod

通过控制螺栓与螺母相对转角值对高强度螺栓连接副进行紧固的方法。

2.1.26预拼装assembledinadvance

在安装施工前，为保证构件的安装精度进行的连续匹配拼装。

2.1.27试拼装testassembling

在安装施工前，为检查构件的制造精度，全部构件或选取有代表性的部分构件进行的拼装。

3

2.1.28屈曲buckling

杆件或板件在轴心压力、弯矩、剪力单独或共同作用下突然发生与原受力状态不符的较大

变形而失去稳定。

2.1.29整体稳定性overallstability

在外荷载作用下，整个结构或构件抵抗侧向屈曲或失稳的能力。

2.1.30局部失稳localstabilityfailure

钢结构中，受压、受弯、受剪或在复杂应力下的板件由于宽厚比过大，板件发生屈曲的现

象。

2.1.31计算长度effectivelength

构件在其有效约束点间的几何长度乘以考虑杆端变形情况和所受荷载情况的系数而得的

等效长度。计算构件的长细比时，计算长度是指将实际构件换算为具有相同稳定承载力的两端

简支结构支点间的长度。计算焊缝连接强度时，计算长度是考虑焊接起息弧对焊缝承载力影响

后的换算焊缝长度。

2.1.32长细比slendernessratio

构件计算长度与构件截面回转半径的比值。

2.1.33换算长细比equivalentslendernessratio

在轴心受压构件的整体稳定计算中，按临界力相等的原则，将格构式构件换算为实腹构件

进行计算时所对应的长细比或将弯扭与扭转失稳换算为弯曲失稳时采用的长细比。

2.1.34有效宽度effectivewidth

在进行截面强度和稳定计算时，假定板件有效的那一部分宽度。

2.1.35有效宽度系数effectivewidthfactor

板件有效宽度与板件实际宽度的比值。

2.2符号

2.2.1材料性能有关符号

fy——钢材的屈服强度；

fd——钢材的抗拉、抗压和抗弯强度设计值；

fvd——钢材的抗剪强度设计值；

fcd——钢材的端面承压强度设计值；

a

ftd——锚栓的抗拉强度设计值；

w

ffd——角焊缝的抗拉、抗剪和抗压强度设计值；

bbb

ftd、fvd、fcd——螺栓的抗拉、抗剪和承压强度设计值；

4

rrr

ftd、fvd、fcd——铆钉的抗拉、抗剪和承压强度设计值；

www

ftd、fvd、fcd——对接焊缝的抗拉、抗剪和抗压强度设计值；

E——钢材的弹性模量；

Ec——混凝土的弹性模量；

G——钢材的剪切模量。

2.2.2作用效应和抗力的有关符号

Nd——轴心力设计值；

Ncr,y、Ncr,z——分别为轴心受压构件的整体稳定欧拉荷载；

Nv、Nt——某个普通螺栓或铆钉所承受的剪力和拉力；

bbb

Nvd、Ntd、Ncd——单个螺栓的受剪、受拉和承压承载力设计值；

rrr

Nvd、Ntd、Ncd——单个铆钉的受剪、受拉和承压承载力设计值；

P——单个高强度螺栓的预拉力；

My，Mz——计算截面的弯矩设计值；

Mcr,y、Mcr,z——分别为My和Mz作用平面内的弯矩单独作用下，考虑约束影响的构件弯

扭失稳模态的整体弯扭弹性屈曲弯矩。

E,cr——轴心受压构件弹性稳定欧拉应力；

max、min——最大和最小正应力；

k、k——疲劳荷载正应力和剪应力作用标准值；

C、C——疲劳细节类别抗力；

τ——剪应力；

max、min——最大和最小剪应力。

2.2.3几何参数有关符号

a——长度，间距；

b——宽度；

d——直径；

5

eN——偏心距；

h——高度；

hw——腹板计算高度

L——长度，跨径；

n——高强度螺栓数目；

t——厚度；

tw——腹板厚度；

A——构件截面面积；

A0——净截面面积；

Aeff——同时考虑剪力滞和局部稳定影响的受压翼缘有效截面面积；

Aeff,c——考虑局部稳定影响的有效截面面积；

Aeff,s——考虑剪力滞影响的有效截面面积；

As——钢梁截面面积；

Ac——混凝土桥面板截面面积；

It——毛截面抗扭惯性矩；

I——毛截面扇性惯性矩；

R——半径；

S——面积矩；

Wy,eff、Wz,eff——有效截面相对于y轴和z轴的截面模量；

α、i——夹角。

2.2.4计算系数及其它有关符号

k——加劲板的弹性屈曲系数或连接件刚度系数；

kc——弯矩换算系数；

n0——钢材与混凝土弹性模量的比值；