The limit span of self-anchored cable-stayed suspension bridge is deduced.The relations among the geometrical parameters,loads and material characteristics are also analyzed.Based on the material strength and commonly...The limit span of self-anchored cable-stayed suspension bridge is deduced.The relations among the geometrical parameters,loads and material characteristics are also analyzed.Based on the material strength and commonly used materials,the limit spans of self-anchored cable-stayed suspension bridges with concrete girder or steel girder under vertical static load are discussed in detail.The corresponding upper limit spans and the effect of the factors on the span are given.The results indicate that increasing rise-span ratio,height-span ratio and cable-stayed segment length or reducing the second dead load could increase the cooperation system span.展开更多
基金This work was supported by the West Transportation Construction Projects Foundation of the Ministry of Communications(No.200631882350).
文摘The limit span of self-anchored cable-stayed suspension bridge is deduced.The relations among the geometrical parameters,loads and material characteristics are also analyzed.Based on the material strength and commonly used materials,the limit spans of self-anchored cable-stayed suspension bridges with concrete girder or steel girder under vertical static load are discussed in detail.The corresponding upper limit spans and the effect of the factors on the span are given.The results indicate that increasing rise-span ratio,height-span ratio and cable-stayed segment length or reducing the second dead load could increase the cooperation system span.
