Abstract
Through the static loading tests and dynamic tests on reinforced concrete piers and steel reinforced concrete piers with different steel profiles, the influence of built-in steel on the displacement response of concrete piers was studied. Using the single-degree-of-freedom system equivalent, a linear attenuation descent triangle is used to simplify the impact load. Based on the energy conservation equations, the mass transfer coefficients of the elastic stage and the plastic stage were calculated. A theoretical formula for the displacement response of the pier is established. The theoretical values are in good agreement with the experimental values. It provides some reference for further study on the anti-collision design of steel concrete bridge piers.
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