Finite Element Simulation and Stress Analysis of Double-column Vase-style Curved Pier
The double-column vase-style pier has more complex stress characteristics due to the presence of tie beams.This paper conducts finite element simulation and mechanical analysis on the double-column vase-style curved pier.A finite element model was established for cast-in-place vase-style curved pier and assembled vase-style pier,and the stress and deformation characteristics of cast-in-place vase-style pier and assembled vase-style pier under the upper load were compared and analyzed.The plastic zone and crack propagation mechanism at the wet joint of the cap beam under extreme load conditions were analyzed.It is demonstrated shown that tensile stress is the main stress near the up-per surface of the cap beam,and the mechanical performance of prefabricated concrete at the joints is not as good as that of cast-in-place concrete.The joints are weak in tension and are prone to tensile failure under load.The research re-sults have important reference value for the design and construction of double-column vase-style curved piers.
vase-style pierfinite element analysismechanical mechanismprefabricated construction
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