Research on Key Technology of Steel Box Girder Construction Based on Measured Temperature Mode
1. College of Civil Engineering, Tongji University, Shanghai 200092, China
2. College of Civil Engineering, Zhengzhou University, Zhengzhou 450001, China
3. Shanghai Tongji Testing Technology Co., Ltd., Shanghai 201900, China
4. Shanghai Bridging Engineering Consulting Co., Ltd., Shanghai 200092, China
| Abstract: | The temperature effect has a great impact on the reasonable completion state of the steel box girder. The relevant research has an important role in promoting the design, construction and operation and maintenance of the steel box girder. Firstly, the effects of uniform temperature difference and gradient temperature difference are analyzed, and three gradient temperature difference modes are compared; Based on the construction monitoring project of a continuous steel box girder, the longitudinal bridge displacement of the support under different uniform temperature difference conditions is calculated. The results show that the overall displacement and relative displacement are considered in the pre deflection of the support; The beam end angle under three different gradient temperature difference modes is compared, and the calculation formula of the top and bottom plate cutting caused by the beam end angle is proposed. This paper systematically studies the influence of uniform temperature difference and gradient temperature difference on the positioning of steel box girder support and the closure of weld seam, and puts forward countermeasures, which will provide some theory and engineering experience for similar projects in the future. |
| Keywords: | Uniform Temperature; Gradient Temperature; Bearing Pre Deflection; Beam End Angle; Top and Bottom Plate Cutting |
| DOI: | 10.57237/j.se.2023.02.002 |
View:
Downloads:
收稿日期: 2023-01-15
接受日期: 2023-03-15
在线出版日期: 2023-03-28
参考文献
| [1] | Yang Ning Sunshine temperature field and its effect analysis of steel box girder without pavement [D] Changsha University of technology, 2009. |
| [2] | Jin Cheng Analysis on temperature effect of steel deck of Nanjing Yangtze River Bridge under high temperature pouring and paving [D] Nanjing Forestry University, 2020. doi: 10.27242/d.cnki.gnjlu.2020.000092. |
| [3] | Chen Jiaqi and Yan Quansheng Observation and analysis of temperature distribution of steel box girder during construction of Zhanjiang Bay Bridge [C]. |
| [4] | Li Chuanxi, Yang Ning, Zhang Yuping, et al Sunshine temperature gradient of steel box girder of Hangzhou Jiangdong Bridge and deformation of end beam during jacking [J] Journal of Changsha Jiaotong University, 2009 (1): 6. |
| [5] | Wang Lingbo, Zhu Ji, song Yifan, et al Research on welding timing of large section steel box girder based on measured temperature difference mode [J] Journal of China highway, 2016, 29 (12): 8. |
| [6] | Hu Yuan Research on welding timing of large section steel box girder based on measured temperature difference mode [J] Construction engineering technology and design, 2016, 000 (014): 2740-2741. |
| [7] | Zheng Haonan Research on key technical problems of steel box girder manufacturing and assembly [D] South China University of technology, 2015. |
| [8] | Teng Huajun, Zhu Zhiwen, Li Jianpeng Research on vertical temperature gradient of steel box girder on Steel Deck Based on field measurement [J] Journal of Railway Science and engineering, 2021, 18 (12): 11. |
| [9] | Shen Cong, Gao Peiwei, Zhang Hui Finite element analysis and Research on temperature field of steel box girder bridge deck pavement [J] Highway engineering, 2018, 43 (3): 5. |
| [10] | Liu Yang, Zhang Haiping, Deng Yang, et al Research on temperature field characteristics of steel box girder of suspension bridge based on measured data [J] Chinese Journal of highways, 2017, 030 (003): 56-64. |
| [11] | Li Y, Li P, Li Y, et al. Research on Key Technologies of Construction Management of Large Swivel Bridge Based on BIM Technology [J] A Case Study of Dade Swivel Bridge. 2020. |
| [12] | Wang H, Zhu Q, Zou Z, et al. Temperature distribution analysis of steel box-girder based on long-term monitoring data [J]. Smart structures and systems, 2020 (5): 25. |
| [13] | Lee J, Kim H, Lee K, et al. Effect of Load Combinations on Distortional Behaviors of Simple-Span Steel Box Girder Bridges [J]. Metals, 2021, 11 (8): 1238. |
| [14] | Zhang P J, Wu G S, Wang C S, et al. Fatigue damage evaluation of steel bridges considering thermal effect [J]. Structure and Infrastructure Engineering, 2022, 18 (7): 1020-1033. |
| [15] | Huang X, Zhu J, Li Y L. Temperature analysis of steel box girder considering actual wind field [J]. Engineering Structures, 2021, 246: 113020. |
| [16] | Ma H, Liu S, Tang T, et al. RESEARCH ON STRESS MONITORING OF CRACKED STEEL BOX GIRDER BASED ON SELF-MAGNETIC FLUX LEAKAGE [J]. 2021. |
| [17] | Li H, Zhang Z, Deng N. Temperature Field and Gradient Effect of a Steel-Concrete Composite Box Girder Bridge [J]. Hindawi Limited, 2021. |
