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三塔自锚式悬索桥经济性能研究
引用本文:逯东洋,肖汝诚,孙斌,陈辉. 三塔自锚式悬索桥经济性能研究[J]. 河北工程大学学报(自然科学版), 2016, 33(2): 49-52
作者姓名:逯东洋  肖汝诚  孙斌  陈辉
作者单位:同济大学 土木工程学院, 上海 200092;同济大学 土木工程学院, 上海 200092;同济大学 土木工程学院, 上海 200092;同济大学 土木工程学院, 上海 200092
基金项目:国家重点基础研究发展计划973项目(2013CB036300);国家自然科学基金(51378387)
摘    要:在统计国内外部分已建成的自锚式悬索桥材料用量的基础上,基于银川滨河黄河大桥,研究三塔自锚式悬索桥的经济性能,建立各构件材料用量与结构参数、受力的关系,并以此为基础分析加劲梁材料、矢跨比和边中跨比等参数对造价的影响。研究得出:改变加劲梁的材料,对三塔自锚式悬索桥造价的影响较大;矢跨比的增加可以大幅减少主缆的造价;当桥梁总长一定时,边中跨比合理的范围内应选取较大值。

关 键 词:银川  滨河黄河大桥  三塔自锚式悬索桥  经济性能  参数分析
收稿时间:2016-03-14

Economic performance study of three-tower self-anchored Suspension bridge
LU Dongyang,XIAO Rucheng,SUN Bin and CHEN Hui. Economic performance study of three-tower self-anchored Suspension bridge[J]. Journal of Hebei University of Engineering(Natural Science Edition), 2016, 33(2): 49-52
Authors:LU Dongyang  XIAO Rucheng  SUN Bin  CHEN Hui
Affiliation:College of Civil Engineering, Tongji University, Shanghai 200092, China;College of Civil Engineering, Tongji University, Shanghai 200092, China;College of Civil Engineering, Tongji University, Shanghai 200092, China;College of Civil Engineering, Tongji University, Shanghai 200092, China
Abstract:Taking a three-tower self-anchored suspension bridge as the research object, based on the data of Three-tower Self-anchored Suspension Bridges built at home and abroad, the Economic performance of the Three-tower Self-anchored Suspension Bridge is studied, the conception of materials consumption with structural parameters and mechanical property is established. And the effects of the material of girder, rise-span ratio, side to center span ratio for the total cost are studied. Come to the conclusion that changing the material of girder has much impact on the cost of three-tower self-anchored suspension bridge; Increasing the rise-span ratio can reduce the cost of main cable significantly; The side to center span ratio should be the largest value in the reasonable scope when the total length of a bridge has been defined.
Keywords:Yinchuan  riverfront Yellow River bridge  three-tower self-anchored suspension bridge  economic performance  parametric study
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