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ANALYSIS OF STABILITY DURING CONSTRUCTION OF LONG-SPAN CONCRETE-FILLED STEEL TUBULAR ARCH BRIDGE

Yanhua Liu, Qingxin Ren, Li Shunqun -

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Abstract

北方某钢管混凝土拱桥由于跨径较大,其稳定性是该桥施工过程中的关键问题之一.采用ANSYS软件对该桥建立有限元模型,并用子空间迭代法对结构进行施工过程中的稳定性分析,得到了结构的稳定系数和振型.计算结果对该拱桥的施工监测、评估具有一定的参考价值.

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What this paper is about

北方某钢管混凝土拱桥由于跨径较大,其稳定性是该桥施工过程中的关键问题之一.采用ANSYS软件对该桥建立有限元模型,并用子空间迭代法对结构进行施工过程中的稳定性分析,得到了结构的稳定系数和振型.计算结果对该拱桥的施工监测、评估具有一定的参考价值.

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Available abstract

北方某钢管混凝土拱桥由于跨径较大,其稳定性是该桥施工过程中的关键问题之一.采用ANSYS软件对该桥建立有限元模型,并用子空间迭代法对结构进行施工过程中的稳定性分析,得到了结构的稳定系数和振型.计算结果对该拱桥的施工监测、评估具有一定的参考价值.

Key concepts: Structural engineering, Arch, Bridge (graph theory), Span (engineering), Arch bridge, Engineering, Stability (learning theory), Forensic engineering

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