汤逊湖特大桥钢吊箱围堰施工方案设计与研究
The Design of the Construction Scheme for and Study of the Suspension Steel Box Cofferdam for the Tangxunhu Mega Bridge
  
中文关键词:钢吊箱  方案设计  抗浮
英文关键词:suspension steel box cofferdam  scheme design  anti-floating
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作者单位
蒲志锋 中铁十八局集团第五工程有限公司天津300459 
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中文摘要:
      针对汤逊湖特大桥水中承台的高程和水位等具体条件,综合考虑多种因素,最终采用了钢吊箱围堰的施工方案。对围堰壁板、腰梁、支撑、上下锚固梁等结构进行了具体设计,并且制定了详尽的施工流程。对最不利工况进行有限元软件建模计算,计算结果表明:钢吊箱围堰的受力和变形均满足要求,围堰的抗浮也满足要求。这可为类似水中钢吊箱围堰的设计和施工提供参考。
英文摘要:
      With the elevation of the underwater caps of the Tangxunhu Mega Bridge,the water level and other specific conditions taken into account,and many other factors also comprehensively considered,the construction scheme of the suspension steel box cofferdam is finally adopted.The wall plates of the cofferdam,the waist beam,the support,the upper and the lower anchoring beams and so on are practically designed,with the detailed construction flow worked out.The most unfavorable construction conditions are modelled,simulated and calculated with the finite element software.The results of the calculations show that both the stress and deformation of the suspension steel box cofferdam are up to the requirements,and the anti-floating performance of the cofferdam also meets the requirements.The project may well serve as a useful reference for the design and construction of other similar suspension steel box cofferdams.
蒲志锋.汤逊湖特大桥钢吊箱围堰施工方案设计与研究[J].国防交通工程与技术,2017,15(4):77~80
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