Abstract
Half-through tied-arch bridges feature complex structures and are constructed via numerous processes. As these bridges are deigned more neoteric, their construction is also becoming more complex. The research takes a novel half-through basket-type tied-arch bridge with unequal spans and multiple arches over Sishui River, in Yanzhou, Shandong Province, China as the engineering background. On this basis, the structural characteristics and key construction steps of this type of bridges are analyzed. It is proposed to install triangular areas first and then arch ribs, and to assemble side spans before the middle span, followed by tensioning of hangers. Key construction steps are elaborated, which provides practical and technical reference for similar engineering.
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