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The seismic capability of concrete filled steel tube (CFST) arch bridge is determined by the arch ribs. In this paper, the seismic capacity of arch ribs is evaluated by using the method based on the strength and ductility. First, the internal forces are calculated respectively by using finite element method under gravity action and small earthquake. Then, the ultimate bearing capacities, the ratio...
In this paper, dynamic response of a Long-span Concrete Filled Steel Tube Arch Bridge (346m) during strong earthquake was studied with damage model of steel tube and concrete of rib by the explicit dynamic analysis code. Model is built with 2-node explicit 3-D Beam and explicit Thin Structural Shell, and material model is the kinematic hardening model. The development of the arch rib concrete filled...
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