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Structural Engineering and Mechanics Volume 47, Number 2, July25 2013 , pages 287-305 DOI: https://doi.org/10.12989/sem.2013.47.2.287 |
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Study on economic performances of multi-span suspension bridges part 2: parametric study |
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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 | ||
| 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. | ||
| 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 | ||