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发表时间：2008-01-01

发表刊物：工程力学

所属单位：建设工程学部

期号：5

页面范围：131-136

ISSN号：1000-4750

摘要：The static behavior of self-anchored cable-stayed suspension bridge is described with continuum method. Based on the partition generalized variational principle, the incomplete generalized potential energy functional of a three-span self-anchored cable-stayed suspension bridge is established by considering the coupling effect of flexural and axial action of the girder and the tower. The differential equations of self-anchored cable-stayed suspension bridge are derived through constraint variation. A self-anchored cable-stayed suspension bridge is taken as an example. The results from the proposed analytic method agreed well with those from numerical analysis. The differential equations can analyze self-anchored cable-stayed suspension bridge primarily, and can provide a theoretical basis for the static analysis of such bridges.

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