The Impact Analysis of Seismic Performance of Setting Up the Core Column Strengthening Measures on Short Column Structure

摘要

In a complex high-rise concrete structure design, concrete frame column may become short column. The stiffness of reinforced concrete short column is larger than ordinary concrete column. Under earthquake excitation, the short column shares more earthquake action, and its deformation capacity and energy dissipation ability is poor, at last the short column presents shear failure. In this paper, we analyze the seismic performance of high-rise frame-shear wall structure and high-rise frame-shear wall structure with core reinforced columns when disastrous earthquake occurs in the region. At last, we draw that the core column has large promotion compared with the original structure. And meet the "No Collapsing with Strong Earthquake" fortification requirements and "Strong Column and Weak Beam", "Strong Shear Capacity and Weak Bending Capacity" seismic design philosophy.