2013•山东交通科技Requires access
Optimization design analysis of the superstructure rigid frame arch bridge
Zhang Tian-tia
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Abstract
Using the large-scale finite element software to create the rigid frame arch bridge model with multiple spans and multiple bridge decks,the comparison of the transverse load distribution coefficient in midspan,control internal force and deflection before and after optimization shows that adding a piece of rigid-frame arch can optimize the global stress of superstructure and increase the overall stiffness and load capacity of the rigid frame arch bridge significantly.