Research on the Flexural Behavior of a Coastwise RS-OCT Beam That Has Endured Long-Term Fatigue Load for Years
Dongxu Hou,
Tieming Hu,
Guanhua Zhang
et al.
Abstract:Retrofitted super-span old T-shaped concrete beams (RS-OCT beams) are commonly used in highway bridges in coastal cities and offshore zones in China. The realization of a practical ultimate state for this beam under a bending load is still lacking. In this study, a flexural experiment on an original RS-OCT beam subjected to a long-term vehicle cyclical load was conducted in a laboratory. Several interesting phenomena were discovered. Notably, a butt-weld joint typically exists on longitudinal reinforced bars, … Show more
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