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Study of Stress Properties of Curved Cable-Stayed Bridge with a Single Pylon and a Single Cable Plan

Author: WanXiaoMing
Tutor: TanYongGang
School: Dalian University of Technology
Course: Bridge and Tunnel Engineering
Keywords: curved cable-stayed bridge grillage simulation the reasonable completed hanger power of the bridge influence parameter analyze
CLC: U448.27
Type: Master's thesis
Year: 2009
Downloads: 109
Quote: 2
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Abstract


The curved cable-stayed bridge is becoming more and more popular because of its graceful shape and adaptability to the selection of the line of the highway and railway.And it has a strong competition to the other type of bridge in the small span in the city.Due to the complexity in structure and stress of the curved cable-stayed bridge,it is hard to get a satisfied analysis with traditional calculation method.In this dissertation,a space model based on Nanjing Xian Lin Road cable-stayed bridge is established in MIDAS/CIVIL and take a analysis with the grillage simulation.The following works are conducted in this thesis:1.The design theory on the curved cable-stayed bridge.First,it take a summary of the design theory on the curved cable-stayed bridge,and make a introduction and comparison between the analytical method and half-analytical method.Last,it gives a detail introduction on the grillage simulation.2.The reasonable completed hanger power of the bridge is studied.By comparing it with other method to adjust the hanger power,it is seasonable by the method presented in this dissertation.It is demonstrated that this bridge fully satisfies the criterion in the normal using phase by analyzing the whole model under the unfavorable load combination.And the rules for designing this type of bridge are summed up.3.Depend on the stress characteristics of the curved cable-stayed bridge,the influences of the variation of flexural stiffness,torsional stiffness of the main girder,the distance of bearings and the stiffness of end cross beam on the stress are studied in further.The conclusions for a curve cable-stayed bridge are drawn.By the work conducted in the dissertation,the stress and space action effecttion of the curved cable-stayed bridge are completely analyzed.All the rules obtained in this thesis can be used as references for designing this type of bridge.

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CLC: > Transportation > Road transport > Bridges and Culverts > All kinds of bridges > Bridge: Structure > Cable-stayed bridge
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