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《Urban Roads Bridges & Flood Control》 2011-11
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Analysis on Elastic-plastic Earthquake Response of Long-span Cable-stayed Bridge and Evaluation onEarthquake-resistant Performance

Xi Lingzhi, Li Xiaogang, Wei Hua  
Taking the cable-stayed bridge scheme of Qilougou Bridge as the background, the nonlinear fiber element model considering material is set up to analyze the elastic-plastic earthquake response of the main prestressed concrete beam and the main steel reinforced concrete pylon, and to evaluate the nonlinear earthquake resistant capacity. The calculation analysis shows that the in-plane and external bending moment of the main beam and the axial force, in-plane and external bending moment of the main pylon reduce to greater extent, and the longitudinal displacement of the main beam and the in-plane and external shear of the main pylon enhance to different extents.
【CateGory Index】: U448.27
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