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Experimental Design of Link Slab in Long-span Steel-Concrete Composite Bridge

Link slab makes the steel girder simply supported and the bridge deck continuous. Therefore, it is a fine substitute for expansion joint in simply supported bridge. However, the application of link slab in long-span simply supported composite bridge is rarely reported. This paper attempts to introduce the link slab into long-span simply supported steel-concrete composite bridge. In order to study the static performance of the link slab, this research designs a full-scale I-shaped segment specimen and conducts a numerical analysis on it. The calculation results are compared with the full bridge model to verify its feasibility, preparing for a follow-up test.