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ANALYSIS FOR ULTIMATE LOAD CAPACITY OF CABLE-STAYED BRIDGES

H E Shun-Hai, Zhiwen Liu, Yifan Song

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Abstract

In this paper both geometric and material nonlinearities are taked into account in the analysis for ultimate load capacity of a cable-stayed bridge by an energy method. The potential energy of the whole bridge including the bridge deck, inclined cables, pylons and the work done by external loads are considered in the development of the bridge energy equation. The proposed method is simple to use and has a high convergence rate for engineering application.

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What this paper is about

In this paper both geometric and material nonlinearities are taked into account in the analysis for ultimate load capacity of a cable-stayed bridge by an energy method. The potential energy of the whole bridge including the bridge deck, inclined cables, pylons and the work done by external loads are considered in the development of the bridge energy equation. The proposed method is simple to use and has a high convergence rate for engineering application.

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Available abstract

In this paper both geometric and material nonlinearities are taked into account in the analysis for ultimate load capacity of a cable-stayed bridge by an energy method. The potential energy of the whole bridge including the bridge deck, inclined cables, pylons and the work done by external loads are considered in the development of the bridge energy equation. The proposed method is simple to use and has a high convergence rate for engineering application.

Key concepts: Bridge (graph theory), Structural engineering, Work (physics), Engineering, Convergence (economics), Bridge deck, Deck, Mechanical engineering

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