Structural Engineering and Mechanics

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Study on economic performances of multi-span suspension bridges part 2: parametric study

  • Zhang, Li-Wen (Department of Bridge Engineering, Tongji University) ;
  • Xiao, Ru-Cheng (Department of Bridge Engineering, Tongji University) ;
  • Sun, Bin (Department of Bridge Engineering, Tongji University) ;
  • Jiang, Yang (Department of Bridge Engineering, Tongji University) ;
  • Zhang, Xue-Yi (Department of Bridge Engineering, Tongji University) ;
  • Zhuang, Dong-Li (Architectural Design & Research Institute of Tongji University (Group) Co., Ltd.) ;
  • Zhou, Yun-Gang (Architectural Design & Research Institute of Tongji University (Group) Co., Ltd.) ;
  • Tu, Xue (LIN Tung-yan & LI Guo-hao Consultants LTD.)
  • Received : 2013.01.13
  • Accepted : 2013.07.17
  • Published : 2013.07.25
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Abstract

Economic performances of consecutive multi-span suspension bridges are studied. The material amount and cost estimation formulas of the bridges have been derived in the part 1 of the study. A parametric study is carried out based on the formulas for investigating the different factors' effect on the bridge cost. The factors include the bridge sag, the bridge span, the bridge foundation and the environment condition, etc. Then, an economical layout of the bridges is proposed for different conditions. Lastly, a selection of suspension bridge types is discussed based on the economy of bridges.

Keywords

References

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