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Experimental monitoring of the strengthening construction of a segmental box girder bridge and field

Ali Fadhil NASER, Zonglin WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 308-320 doi: 10.1007/s11709-012-0140-3

Abstract: Prestressed concrete segmental box girder bridges are composed of short concrete segments that are eitherdeformation of the steel deviation cross beam during the tension process; measuring the deformation of the boxgirder after different levels of tension forces are applied; measuring the elongation of the external

Keywords： prestressed concrete     box girder     monitoring     external tendons     strain     deflection    

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Temperature variation of concrete box girder bridge

Jian WANG, Zhi FANG,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 407-413 doi: 10.1007/s11709-009-0053-y

Abstract: theoretical analysis and measurement on site, the temperature gradients and its variation on concrete boxgirder bridges resulting from ambient temperature, solar radiation, and structural temperature fieldsthe heat transfer theory and finite element method (FEM), the heat flux of the surface of concrete boxgirder was carried out, and all the heat fluxes were described as the convection.Last, some conclusions were obtained, which could provide the basis for box girder design under solar

Keywords： temperature     transfer     correlation     radiation     variation    

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Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 158-164 doi: 10.1007/s11709-009-0002-9

Abstract: distribution of temperature field and the variation of thermal stress for a prestressed concrete (PC) box-girderfield tests, the thermal stress incurred by hydration heat may induce temperature cracks on the PC box-girderThe conclusions can provide valuable reference for the design and construction of PC box-girder bridges

Keywords： box-girder bridge     field test     hydration heat     temperature field     temperature gradient     thermal stress    

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Research of steel box girder dehumidification in Taizhou Bridge

Li Lin and Xu Jun

Strategic Study of CAE 2012, Volume 14, Issue 5,   Pages 10-13

Abstract:

The steel box girder of Taizhou Bridge is 2 160 m long with volume ofThe paper analyzes the principle, lectotype, setting, workflow and construction of the steel box girderAnd the paper protocols the quality inspection and evaluation standards of the steel box girder dehumidification

Keywords： Taizhou Bridge     steel box girder     dehumidification     research    

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Fatigue stress monitoring and analyses for steel box girder of Runyang Suspension Bridge

WANG Ying, LI Zhaoxia, WU Baijian

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 197-204 doi: 10.1007/s11709-008-0038-2

Abstract: This paper aims to find out the strain history features of the girder components of Runyang SuspensionThe fatigue stress spectrums of steel box girders under normal traffic load, heavy trucks and typhoon

Keywords： bridge     monitoring location     RYSB     traffic loading     information    

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Mechanics analysis of thin-walled box continuous girder with variable cross-sections in considering effect

Yuji CHEN, Qizhi LUO,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 352-356 doi: 10.1007/s11709-009-0057-7

Abstract: In order to study the mechanics behavior of a thin-walled box continuous girder with variable cross-sectionsgeneralized displacements with the spline function, the large deflection problem of the thin-walled boxcontinuous girder reliably.The thin-walled box continuous girder with variable cross-sections has more reasonable stress state andThe effect of large deflection on the stress and displacement of the thin-walled box continuous girder

Keywords： thin-walled box girder with variable cross-sections     potential variational theory     shear lag     large deflection    

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Evaluation of the static and dynamic structural performance of segmental pre-stressed concrete box girder

Ali Fadhil NASER, Zonglin WANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 164-177 doi: 10.1007/s11709-013-0196-8

Abstract: the deck of the bridge by casting 10 cm layer of concrete, strengthening the web and bottom floor of box

Keywords： structural performance     steel plates     external pre-stressing     cracks     grouting method     static    

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Stress analysis of deck pavement of continuous steel box girder

Li Guofen,Cao Mu, Wang Hongchang,Zhu Huaping

Strategic Study of CAE 2013, Volume 15, Issue 8,   Pages 79-83

Abstract: element method for the mechanics analysis of the composite guss asphalt surfacing layer of curved steel boxgirder bridges.

Keywords： bridge deck pavement     curved continuous steel box girder     surfacing cracking     bond slip     stress and the    

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Analysis and control of hydration heat of cast-in-place diaphragm of segmental precast box girder

Chen Yang,Zhong Yao,Zheng Kaiqi,Shen Bin,Meng Shaoping

Strategic Study of CAE 2013, Volume 15, Issue 8,   Pages 99-103

Abstract:

For the pier segment of the segmental precast bridge, the diaphragm is often casted in place to reduce the lifting weight. Considering the volume of the diaphragm, it belongs to massive concrete,in which concrete hydration heat may cause excessive tensile stress in some parts. Without right control measures often lead to cracking of the precast segments during the construction phase. Based on three-dimensional transient temperature field theory, numerical simulation with ANSYS was performed, to investigate the distribution law of hydration heat temperature and stress. The analysis shows that, the tensile stress at the outside of the webs is sufficient to lead to concrete cracking, longitudinal micro-cracks along the webs is also observed during the hydration heat test. With the distribution of temperature and stress obtained from numerical simulation, a series of control measures were proposed and adopted to the Fourth Nanjing Yangtze River Bridge approach project, which were proved to be feasible and effective.

Keywords： concrete box girder     hydration heat     temperature field     stress field     cracks    

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Study on overall lifting program for steel box girder of large span of three-span continuous suspension

Yao Qingtao,Pan Guilin,Yao Qingtao,He Chaoran

Strategic Study of CAE 2013, Volume 15, Issue 8,   Pages 54-59

Abstract: determined through the comparison and analysis on two different types of lifting sequence for steel box

Keywords： three-span continuous suspension bridge     steel box girder     lifting program     closure     saddle pushing    

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Optimization design and corollary equipment of box girder prefabrication field for passenger express

Wang Zhibin,Wang Qingming

Strategic Study of CAE 2009, Volume 11, Issue 1,   Pages 67-74

Abstract: basis of the research results of the project, the Research on the Industrialization of Freely Supported Boxand Girder for Passenger Express Line, in Ministry of Railways and China Railway Construction Corporation, and the programming and design experience for almost 30 girder prefabrication fields, the three importantaspects of girder field construction, i.e. site election, plane layout and corollary equipment, are

Keywords： passenger express line     girder field     site selection     plane layout     corollary equipment    

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The 32 m span box girder prestressing effect monitoring and creep camber control for Wuhan-Guangzhou

Song Jinxi

Strategic Study of CAE 2009, Volume 11, Issue 1,   Pages 60-66

Abstract: justify;">As a case for study, the online montoring and numerical analysis for 32 m concrete prestressed boxgirder prestressing and elastic camber effect in Wuhan-Guangzhou passenger express line was performedThe effect of monitoring and analysis, based on the engineering practice, the control measures of the boxgirder creep camber were put forward, which can be taken as a reference and experience guidance for

Keywords： Wuhan-Guangzhou passenger express line     32 m box girder     prestressing effect monitoring     creep camber    

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Determination of lifting sequence of steel box girders of suspension main bridge of Taizhou Bridge

Wang Jun and Liang Jinda

Strategic Study of CAE 2012, Volume 14, Issue 5,   Pages 41-45

Abstract: herringbone shape and lateral gate shape; the side towers are gate shaped concrete frames; the stiff girderconsists of flat streamline steel box girders, with a total of 136 steel box girders of about 33 426This article determines the proper lifting sequence of steel box girders of this threetower suspensionbridge by analyzing the effect of steel box girders lifting sequence on structural system and difficulty

Keywords： three tower two pan suspension bridge     steel box girder     lifting sequence    

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Design and construction of super-long span bridges in China: Review and future perspectives

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 803-838 doi: 10.1007/s11709-020-0644-1

Abstract: Super-long span bridges demand high design requirements and involve many difficulties when constructed, which is an important indicator to reflect the bridge technical level of a country. Over the past three decades, a large percentage of the new long-span bridges around the world were built in China, and thus, abundant technological innovations and experience have been accumulated during the design and construction. This paper aims to review and summarize the design and construction practices of the superstructure, the substructure, and the steel deck paving of the long-span bridges during the past decades as well as the current operation status of the existing long-span bridges in China. A future perspective was given on the developing trend of high-speed railway bridge, bridge over deep-sea, health monitoring and maintenance, intellectualization, standard system, and information technology, which is expected to guide the development direction for the construction of future super long-span bridges and promote China to become a strong bridge construction country.

Keywords： long-span bridges     steel box girder     design technology     construction technology     review and future perspectives    

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Erection technique of steel box-girder at anchor-side of north side span in Xihoumen suspension bridge

Lu Wei,Deng Hengchang,Zhang SHengli,Yang Ming,Yu Yeqiang,Li Pingli,Li Runzhe,Xiao Anbin

Strategic Study of CAE 2010, Volume 12, Issue 7,   Pages 47-52

Abstract:

Xihoumen Bridge is the longest two-span continuous steel box girder suspensionSeveral problems have been encountered due to severe natural environment during the erection of steel boxgirder at anchor-side of north side span of the bridge.The key technique and construction process of erection and linetype adjustment for the steel box girder

Keywords： suspension bridge     steel box-girder     Xihoumen Bridge     anchor-side of north side span     erection and adjustment    

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Title Author Date Type Operation

Experimental monitoring of the strengthening construction of a segmental box girder bridge and field

Ali Fadhil NASER, Zonglin WANG

Journal Article

Temperature variation of concrete box girder bridge

Jian WANG, Zhi FANG,

Journal Article

Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Journal Article

Research of steel box girder dehumidification in Taizhou Bridge

Li Lin and Xu Jun

Journal Article

Fatigue stress monitoring and analyses for steel box girder of Runyang Suspension Bridge

WANG Ying, LI Zhaoxia, WU Baijian

Journal Article

Mechanics analysis of thin-walled box continuous girder with variable cross-sections in considering effect

Yuji CHEN, Qizhi LUO,

Journal Article

Evaluation of the static and dynamic structural performance of segmental pre-stressed concrete box girder

Ali Fadhil NASER, Zonglin WANG

Journal Article

Stress analysis of deck pavement of continuous steel box girder

Li Guofen,Cao Mu, Wang Hongchang,Zhu Huaping

Journal Article

Analysis and control of hydration heat of cast-in-place diaphragm of segmental precast box girder

Chen Yang,Zhong Yao,Zheng Kaiqi,Shen Bin,Meng Shaoping

Journal Article

Study on overall lifting program for steel box girder of large span of three-span continuous suspension

Yao Qingtao,Pan Guilin,Yao Qingtao,He Chaoran

Journal Article

Optimization design and corollary equipment of box girder prefabrication field for passenger express

Wang Zhibin,Wang Qingming

Journal Article

The 32 m span box girder prestressing effect monitoring and creep camber control for Wuhan-Guangzhou

Song Jinxi

Journal Article

Determination of lifting sequence of steel box girders of suspension main bridge of Taizhou Bridge

Wang Jun and Liang Jinda

Journal Article

Design and construction of super-long span bridges in China: Review and future perspectives

Journal Article

Erection technique of steel box-girder at anchor-side of north side span in Xihoumen suspension bridge

Lu Wei,Deng Hengchang,Zhang SHengli,Yang Ming,Yu Yeqiang,Li Pingli,Li Runzhe,Xiao Anbin

Journal Article