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Structural Engineering and Mechanics Volume 47, Number 2, July25 2013 , pages 265-286 DOI: https://doi.org/10.12989/sem.2013.47.2.265 |
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Study on economic performances of multi-span suspension bridges part 1: simple estimation formulas |
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Li-wen Zhang, Ru-cheng Xiao, Bin Sun, Yang Jiang, Xue-yi Zhang, Dong-li Zhuang, Yun-gang Zhou and Xue Tu
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| Abstract | ||
| A study on economic performances of consecutive multi-span suspension bridges is carried out. In this part of the study, material amount and structural cost estimation formulas of the bridges is derived based on the structural ultimate carrying capacity. The bridge cost includes the part of superstructure and the part of substructure. Three types of bridge foundations, bored piles, concrete caissons and floating foundations, are considered in substructure. These formulas are to be used for the parametric study of the bridge cost in order to define its more economical layout under different conditions in the part two of the study. | ||
| Key Words | ||
| multi-span suspension bridge; economic performance; economical layout; cost estimation formula | ||
| Address | ||
| Li-wen Zhang, Ru-cheng Xiao, Bin Sun, Yang Jiang, Xue-yi Zhang : Department of Bridge Engineering, Tongji University, 1239 Siping Rd., Shanghai 200092, China Dong-li Zhuang, Yun-gang Zhou : Architectural Design & Research Institute of Tongji University (Group) Co., Ltd., Shanghai 200092, China Xue Tu : LIN Tung-yan & LI Guo-hao Consultants LTD., Shanghai 200092, China | ||