Optimal Design of Crossbeam Stiffness Factor in Bridge Towers Using a Reliability-Based Approach
Wenhao Pan,
Yi Zhu,
Chuanhao Zhao
et al.
Abstract:Optimal design of the crossbeam is essential for the economical design of bridge towers as the crossbeam could considerably enhance the lateral stiffnesses of these towers by providing a special bracing for the tower columns. By using a reliability-based approach, this paper studies the optimal design of the crossbeam stiffness factor in bridge towers; this is defined as a dimensionless crossbeam stiffness relative to the tower column stiffness. A novel second-order matrix stiffness method (MSM) is applied to … Show more
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