Reinforced Concrete Special-shaped Columns Based On Performance-Displacement Seismic Study

In recent years, the structural system of reinforced concrete columns graduallypeople identify with and accept, the paper mainly studies the reinforced concretespecial-shaped columns performance-displacement-based seismic design proposedtarget-based performance-displacement of the seismic design of reinforced concretecolumns structuredisplacement method for determining the key issues in the design ofthe solution ideas and methods.(l) L-shaped, T-shaped column pushover analysis to study the structure ofreinforced concrete columns sway mode, story drift mode, reinforced concretespecial-shaped columns, story shear allocation model law.(2) The method of reinforced concrete special-shaped columns targetdisplacement is determined by the story drift and drift mode. Displacement angle isdetermined by the structural performance of the horizontal force between the layers ofthe structure, the structure of the target displacement by the sway mode.(3) study the relationship between displacement and Deformation structureinterlayer shaped column frame lateral displacement of the node to reflect theframework layer displacement equivalent, and the force balance guidelines anddisplacement and deformation criteria shaped column frame structure deformationrules to facilitate solving the drift layer.(4) preliminary study of the seismic design of reinforced concrete special-shapedcolumns based on performance-displacement, through the typical example of designpractice, and results were verified with a capacity spectrum method.Verify that: pushover analysis using performance-displacement-based seismicdesign method, reinforced concrete special-shaped columns have sufficientdeformation capacity to meet the specified displacement requirements, to achieve thedesired performance goals.