Abstract

Under the long-term action of heavy and overloaded vehicles exceeding the designed load level, the Songkou Bridge suffered serious damage. After on-site inspection, the cause analysis of the main diseases is carried out, and the corresponding reinforcement and reconstruction plan is formed. The reconstruction of the bridge needs to increase the width of the bridge deck and increase the load level by rebuilding the upper structure. Finally, three schemes are formed for comparison and selection, and the optimal scheme is selected to renovate the bridge to meet the structural safety requirements and traffic requirements.

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