《城市鋼箱梁橋技術規(guī)程》

T/CECS***-2023

中國工程建設標準化協(xié)會標準

城市鋼箱梁橋技術規(guī)程

TechnicalspecificationforsteelboxgirderofUrbanbridge

（征求意見稿）

目錄

1總則................................................................1

2術語和符號..........................................................2

2.1術語............................................................................................................................2

2.2符號............................................................................................................................4

3基本規(guī)定............................................................8

4材料與設計指標.....................................................11

4.1一般規(guī)定..................................................................................................................11

4.2鋼板和型鋼..............................................................................................................11

4.3鑄件..........................................................................................................................12

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

4.5緊固件材料..............................................................................................................13

4.6銷、鉸、軸用材料..................................................................................................13

4.7圓柱頭焊（栓）釘..................................................................................................13

4.8涂裝材料..................................................................................................................14

4.9設計指標..................................................................................................................14

5設計...............................................................18

5.1一般規(guī)定..................................................................................................................18

5.2景觀設計..................................................................................................................18

Ⅰ設計原則...............................................................................................................18

Ⅱ環(huán)境調(diào)查、分析與景觀效果評估.......................................................................19

Ⅲ總體景觀設計.......................................................................................................20

Ⅳ構件間形態(tài)的視覺銜接.......................................................................................21

Ⅴ表面處理及建筑裝飾...........................................................................................22

Ⅵ亮化系統(tǒng)...............................................................................................................23

Ⅶ綠化系統(tǒng)...............................................................................................................23

Ⅷ附屬設施景觀設計...............................................................................................23

Ⅸ人行天橋...............................................................................................................25

5.3結構總體設計..........................................................................................................26

Ⅰ立面設計...............................................................................................................26

Ⅱ橫斷面設計...........................................................................................................27

Ⅲ橫向連結系設計...................................................................................................28

5.4結構構造..................................................................................................................28

Ⅰ一般規(guī)定...............................................................................................................28

Ⅱ鋼橋面板...............................................................................................................28

Ⅲ鋼箱梁底板...........................................................................................................29

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

Ⅴ橫隔板...................................................................................................................31

Ⅵ雙主梁和多主梁的橫梁.......................................................................................32

5.5連接..........................................................................................................................32

5.6耐久性設計..............................................................................................................33

Ⅰ一般規(guī)定...............................................................................................................33

Ⅱ結構構造...............................................................................................................34

Ⅲ涂裝體系...............................................................................................................34

Ⅳ除濕設計...............................................................................................................34

Ⅴ檢修設施...............................................................................................................35

5.7附屬結構設計..........................................................................................................35

Ⅰ鋼橋面鋪裝...........................................................................................................35

Ⅱ護欄設計...............................................................................................................40

Ⅲ排水設計...............................................................................................................41

Ⅳ支座設計...............................................................................................................42

5.8結構受力分析..........................................................................................................42

Ⅰ一般規(guī)定...............................................................................................................42

Ⅱ彎曲正應力與剪應力...........................................................................................43

Ⅲ箱梁扭轉計算.......................................................................................................43

Ⅳ橫隔板受力與剛度計算.......................................................................................43

5.9結構驗算..................................................................................................................47

6鋼結構制造.........................................................48

6.1一般規(guī)定..................................................................................................................48

6.2施工前準備工作......................................................................................................48

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

Ⅰ一般規(guī)定...............................................................................................................50

Ⅱ放樣與號料...........................................................................................................51

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

Ⅳ零件彎曲...............................................................................................................52

Ⅴ零件矯正...............................................................................................................52

Ⅵ零件機加工...........................................................................................................52

Ⅶ檢驗.......................................................................................................................52

6.4組裝..........................................................................................................................55

Ⅰ一般規(guī)定...............................................................................................................55

Ⅱ鋼板接料...............................................................................................................56

Ⅲ加勁板單元...........................................................................................................57

Ⅳ支承結構...............................................................................................................60

Ⅴ鋼箱梁...................................................................................................................60

6.5焊接與矯正..............................................................................................................62

Ⅰ一般規(guī)定...............................................................................................................62

Ⅱ焊接工藝評定.......................................................................................................63

Ⅲ焊接環(huán)境...............................................................................................................64

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

Ⅴ自動埋弧焊...........................................................................................................65

Ⅵ氣體保護焊...........................................................................................................65

Ⅶ手工焊條...............................................................................................................65

Ⅷ圓柱頭焊釘焊接...................................................................................................66

Ⅸ正交異性鋼橋面板U肋與頂板的焊接...............................................................66

Ⅹ焊縫修磨和返修...................................................................................................66

Ⅺ矯正.......................................................................................................................67

6.6高強度螺栓..............................................................................................................70

Ⅰ一般規(guī)定...............................................................................................................70

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

Ⅲ高強度螺栓連接副...............................................................................................72

Ⅳ高強度螺栓連接處的鋼板表面處理和摩擦面抗滑移系數(shù)檢驗.......................73

Ⅴ高強度螺栓安裝...................................................................................................73

6.7預拼裝與試拼裝......................................................................................................76

Ⅰ一般規(guī)定...............................................................................................................76

Ⅱ工形鋼梁...............................................................................................................76

Ⅲ鋼箱梁...................................................................................................................77

6.8涂裝..........................................................................................................................79

Ⅰ一般規(guī)定...............................................................................................................79

Ⅱ表面處理...............................................................................................................80

Ⅲ工廠涂裝...............................................................................................................82

Ⅳ工地涂裝...............................................................................................................82

6.9包裝、存放與運輸........................................................................................83

7安裝...............................................................84

7.1一般規(guī)定..................................................................................................................84

7.2有支架安裝..............................................................................................................85

7.3頂推安裝..................................................................................................................85

8檢驗與驗收.........................................................86

8.1一般規(guī)定..................................................................................................................86

8.2幾何尺寸檢驗..........................................................................................................87

Ⅰ板單元...................................................................................................................87

Ⅱ工形鋼梁...............................................................................................................88

Ⅲ鋼箱梁...................................................................................................................88

Ⅳ高強度螺栓...........................................................................................................91

Ⅴ涂裝.......................................................................................................................92

8.3焊縫質(zhì)量檢驗..........................................................................................................94

Ⅰ一般規(guī)定...............................................................................................................94

Ⅱ焊縫的外觀檢驗...................................................................................................96

Ⅲ焊縫的無損檢驗...................................................................................................97

Ⅳ圓柱頭焊釘焊縫檢驗.........................................................................................101

Ⅴ產(chǎn)品試板.............................................................................................................102

8.4成橋檢驗與驗收....................................................................................................102

9養(yǎng)護..............................................................103

9.1一般規(guī)定................................................................................................................103

9.2經(jīng)常性檢查............................................................................................................103

9.3定期檢測................................................................................................................103

9.4特殊檢測................................................................................................................103

9.5鋼箱梁養(yǎng)護要點....................................................................................................104

9.6疲勞檢測................................................................................................................104

附錄A鋼材焊接工藝評定.............................................107

A.1一般規(guī)定................................................................................................................107

A.2試板........................................................................................................................107

A.3試驗及檢驗............................................................................................................108

A.4焊接工藝評定報告................................................................................................111

附錄B圓柱頭焊釘焊接工藝評定.......................................112

B.1一般規(guī)定................................................................................................................112

B.2試驗與檢驗............................................................................................................112

B.3彎曲與拉伸檢驗....................................................................................................112

B.4焊接工藝評定報告................................................................................................113

附錄C涂裝材料復驗要求.............................................114

C.1一般規(guī)定................................................................................................................114

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

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

C.4試驗方法................................................................................................................117

C.5檢驗........................................................................................................................119

C.6檢測報告................................................................................................................119

附錄D高強度螺栓連接抗滑移系數(shù)試驗方法.............................120

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

D.2試驗方法................................................................................................................121

D.3抗滑移系數(shù)計算方法...........................................................................................121

附錄E超聲波探傷...................................................123

E.1一般規(guī)定................................................................................................................123

E.2設備與器材............................................................................................................123

E.3檢測........................................................................................................................125

E.4評定........................................................................................................................127

附錄F磁粉探傷.....................................................129

F.1設備與器材............................................................................................................129

F.2檢測........................................................................................................................130

F.3評定........................................................................................................................131

附錄G射線探傷.....................................................132

G.1一般規(guī)定...............................................................................................................132

G.2設備與器材...........................................................................................................133

G.3檢測.......................................................................................................................134

G.4評定.......................................................................................................................135

附錄H滲透探傷.....................................................138

H.1一般規(guī)定...............................................................................................................138

H.2試劑與器材...........................................................................................................138

H.3檢測.......................................................................................................................139

H.4評定.......................................................................................................................140

附錄I作用與組合...................................................141

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

I.2組合.........................................................................................................................144

本規(guī)程用詞說明.............................................................................................................145

引用標準目錄.................................................................................................................146

制定說明.........................................................................................................................152

附：條文說明…………………………153

1總則

1.0.1為適應城市鋼箱梁橋建設需要，規(guī)范鋼箱梁的設計、制造安裝和養(yǎng)護的技術要求，提升

鋼箱梁工程整體質(zhì)量及管理水平，特制定本規(guī)程。

1.0.2本規(guī)程適用于城市建設環(huán)境要求的鋼箱梁橋（公路橋梁、城市橋梁）的設計、制造安裝、

檢驗驗收和養(yǎng)護。

1.0.3城市鋼箱梁橋的設計、制造安裝、檢驗驗收和養(yǎng)護除執(zhí)行本規(guī)程外，尚應符合行現(xiàn)行國

家、行業(yè)和中國工程建設標準化協(xié)會有關標準的規(guī)定。

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2術語和符號

2.1術語

2.1.1城市鋼箱梁橋steelboxgirderbridge

具有城市建設環(huán)境要求的鋼箱梁橋，主梁為箱型截面鋼梁的簡支梁橋、連續(xù)梁橋、連續(xù)剛

構橋。

2.1.2一般鋼箱梁generalsteelboxgirder

鋼箱連續(xù)橋、鋼箱簡支梁橋、鋼箱組合梁橋等橋梁的鋼箱梁，以及系桿拱橋的鋼箱系梁、

鋼箱橫梁等的統(tǒng)稱。

2.1.3大型扁平鋼箱梁largeaerodynamicsteelboxgirder

大型斜拉橋、懸索橋等橋梁的大型扁平形狀鋼箱梁。

2.1.4安裝節(jié)段installsegment

鋼結構在現(xiàn)場分段架設時的構件塊體。

2.1.5制造節(jié)段manufacturingsegment

鋼結構在工廠加工制造時劃分形成的塊體。

2.1.6首制件firstmember

鋼橋首制構件或首輪制造構件。

2.1.7構件member

由零件、板單元組成的鋼結構基本單元。

2.1.8零件part

組成鋼結構橋梁的最小元件。

2.1.9板單元panelunit

由若干零件組成的基本單元。包括頂板單元、底板單元、腹板單元、橫隔板單元、縱隔板

單元、風嘴單元等。

2.1.10板元sub-panel

加勁板被加勁肋分割成的若干個無加勁肋的部分板。

2.1.11產(chǎn)品試板producttestplate

為檢驗縱、橫向對接焊縫焊接質(zhì)量，實際結構焊接時，在焊縫端部設置的焊縫試件。

2.1.12加勁板stiffenedplate

由縱向加勁肋加強的構件翼板被腹板、橫隔板或由縱、橫向加勁肋加強的腹板被翼板和橫

隔板分隔成的若干個有加勁肋的部分板件。由母板和加勁肋組成，加勁肋焊接于母板。

2.1.13受壓板件compressedplate

承受壓應力的鋼板板件。

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2.1.14超高性能混凝土ultra－h(huán)ighperformanceconcrete

由水泥、礦物摻合料、集料、鋼纖維和外加劑等材料或由上述材料制成的干混料加水拌和，

經(jīng)凝結硬化后形成的一種具有超高強度、韌性和耐久性的水泥基復合材料，簡稱UHPC。

2.1.15鋼橋面鋪裝pavementofsteeldeckbridge

鋪設于橋梁鋼制面板之上，供車輛安全舒適行駛，對鋼橋面板具有保護作用的鋪裝結構。

2.1.16剪力連接件shearconnector

將鋼與混凝土兩種材料連接組合在一起共同受力的構件。

2.1.17栓焊混用連接jointwithcombinedboltsandwelds

在梁、柱、支撐構件的拼接及相互間的連接節(jié)點中，翼緣采用熔透焊縫連接，腹板采用摩

擦型高強度螺栓連接的連接接頭形式。

2.1.18高強度大六角頭螺栓連接副heavy-hexhighstrengthboltassembly

由一個高強度大六角頭螺栓，一個高強度大六角螺母和兩個高強度平墊圈組成一副的連

接緊固件。

2.1.19扭剪型高強度螺栓連接副twist-off-typehighstrengthboltassembly

由一個扭剪型高強度螺栓，一個高強度大六角螺母和一個高強度平墊圈組成一副的連接

緊固件。

2.1.20摩擦面fayingsurface

高強度螺栓連接板層之間的接觸面。

2.1.21摩擦型連接friction-typejoint

依靠高強度螺栓的緊固，在被連接件間產(chǎn)生摩擦阻力以傳遞剪力而將構件或板單元連成

整體的連接方式。

2.1.22抗滑移系數(shù)meanslipcoefficient

高強度螺栓連接摩擦面滑移時，滑動外力與連接中法向壓力(等同于螺栓預拉力)的比值。

2.1.23扭矩系數(shù)torque-pretensioncoefficient

高強度螺栓連接中，施加于螺母上的緊固扭矩與其在螺栓導入的軸向預拉力(緊固軸力)

之間的比例系數(shù)。

2.1.24扭矩法calibratedwrenchmethod

通過控制施工扭矩值對高強度螺栓連接副進行緊固的方法。

2.1.25轉角法turn-of-nutmethod

通過控制螺栓與螺母相對轉角值對高強度螺栓連接副進行緊固的方法。

2.1.26預拼裝assembledinadvance

在安裝施工前，為保證構件的安裝精度進行的連續(xù)匹配拼裝。

2.1.27試拼裝testassembling

在安裝施工前，為檢查構件的制造精度，全部構件或選取有代表性的部分構件進行的拼裝。

3

2.1.28屈曲buckling

桿件或板件在軸心壓力、彎矩、剪力單獨或共同作用下突然發(fā)生與原受力狀態(tài)不符的較大

變形而失去穩(wěn)定。

2.1.29整體穩(wěn)定性overallstability

在外荷載作用下，整個結構或構件抵抗側向屈曲或失穩(wěn)的能力。

2.1.30局部失穩(wěn)localstabilityfailure

鋼結構中，受壓、受彎、受剪或在復雜應力下的板件由于寬厚比過大，板件發(fā)生屈曲的現(xiàn)

象。

2.1.31計算長度effectivelength

構件在其有效約束點間的幾何長度乘以考慮桿端變形情況和所受荷載情況的系數(shù)而得的

等效長度。計算構件的長細比時，計算長度是指將實際構件換算為具有相同穩(wěn)定承載力的兩端

簡支結構支點間的長度。計算焊縫連接強度時，計算長度是考慮焊接起息弧對焊縫承載力影響

后的換算焊縫長度。

2.1.32長細比slendernessratio

構件計算長度與構件截面回轉半徑的比值。

2.1.33換算長細比equivalentslendernessratio

在軸心受壓構件的整體穩(wěn)定計算中，按臨界力相等的原則，將格構式構件換算為實腹構件

進行計算時所對應的長細比或將彎扭與扭轉失穩(wěn)換算為彎曲失穩(wěn)時采用的長細比。

2.1.34有效寬度effectivewidth

在進行截面強度和穩(wěn)定計算時，假定板件有效的那一部分寬度。

2.1.35有效寬度系數(shù)effectivewidthfactor

板件有效寬度與板件實際寬度的比值。

2.2符號

2.2.1材料性能有關符號

fy——鋼材的屈服強度；

fd——鋼材的抗拉、抗壓和抗彎強度設計值；

fvd——鋼材的抗剪強度設計值；

fcd——鋼材的端面承壓強度設計值；

a

ftd——錨栓的抗拉強度設計值；

w

ffd——角焊縫的抗拉、抗剪和抗壓強度設計值；

bbb

ftd、fvd、fcd——螺栓的抗拉、抗剪和承壓強度設計值；

4

rrr

ftd、fvd、fcd——鉚釘?shù)目估?、抗剪和承壓強度設計值；

www

ftd、fvd、fcd——對接焊縫的抗拉、抗剪和抗壓強度設計值；

E——鋼材的彈性模量；

Ec——混凝土的彈性模量；

G——鋼材的剪切模量。

2.2.2作用效應和抗力的有關符號

Nd——軸心力設計值；

Ncr,y、Ncr,z——分別為軸心受壓構件的整體穩(wěn)定歐拉荷載；

Nv、Nt——某個普通螺栓或鉚釘所承受的剪力和拉力；

bbb

Nvd、Ntd、Ncd——單個螺栓的受剪、受拉和承壓承載力設計值；

rrr

Nvd、Ntd、Ncd——單個鉚釘?shù)氖芗簟⑹芾统袎撼休d力設計值；

P——單個高強度螺栓的預拉力；

My，Mz——計算截面的彎矩設計值；

Mcr,y、Mcr,z——分別為My和Mz作用平面內(nèi)的彎矩單獨作用下，考慮約束影響的構件彎

扭失穩(wěn)模態(tài)的整體彎扭彈性屈曲彎矩。

E,cr——軸心受壓構件彈性穩(wěn)定歐拉應力；

max、min——最大和最小正應力；

k、k——疲勞荷載正應力和剪應力作用標準值；

C、C——疲勞細節(jié)類別抗力；

τ——剪應力；

max、min——最大和最小剪應力。

2.2.3幾何參數(shù)有關符號

a——長度，間距；

b——寬度；

d——直徑；

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eN——偏心距；

h——高度；

hw——腹板計算高度

L——長度，跨徑；

n——高強度螺栓數(shù)目；

t——厚度；

tw——腹板厚度；

A——構件截面面積；

A0——凈截面面積；

Aeff——同時考慮剪力滯和局部穩(wěn)定影響的受壓翼緣有效截面面積；

Aeff,c——考慮局部穩(wěn)定影響的有效截面面積；

Aeff,s——考慮剪力滯影響的有效截面面積；

As——鋼梁截面面積；

Ac——混凝土橋面板截面面積；

It——毛截面抗扭慣性矩；

I——毛截面扇性慣性矩；

R——半徑；

S——面積矩；

Wy,eff、Wz,eff——有效截面相對于y軸和z軸的截面模量；

α、i——夾角。

2.2.4計算系數(shù)及其它有關符號

k——加勁板的彈性屈曲系數(shù)或連接件剛度系數(shù)；

kc——彎矩換算系數(shù)；

n0——鋼材與混凝土彈性模量的比值；