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Construction of Arc Tower of Self-Anchored Suspension Bridge and Optimal Analysis for Bridge Tower Thwart Beam

Jie Li, Wen Shu-dong

Abstract

Guangzhou Liede bridge is a long span bridge in the plan of Xinguang Express Road.The highlight is particular design of the bridge tower.The figuration of tower is made of two shells buckled each other.Both sides of its outling are composed of two ellipse segments and the cross-section of the tower column is similer to a trapezium.The construction is prestressed concrete and is coated with steel shell.The bridge tower stress and displacement are very complex when it is erected.The paper applys integrated element 3D entity-element,plate-element and bar-element to exhautively simulate the construction in comparing two schemes of the primary design and comparatively accurate results are got.

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Key concepts: Structural engineering, Tower, Bridge (graph theory), Engineering, Displacement (psychology), Beam (structure), Suspension (topology), Span (engineering)