Analysis And Comparison Of Shear Wall Structure And Short Shear Wall Structure

Horizontal force and seismic shear wall structure in high-rise structures,such as residential, office and hotel applications particularly extensive, it hasthe advantage of good integrity, rigidity, and has a strong resistance tohigh-level structure of stroke caused by the blowing force and suction pass tothe horizontal shear capacity. And commitment to the larger vertical load inthe high-rise structure. But with the increasingly wide range of research andapplication of shear wall structure, structural design workers who shear wallstructure there are quite a few drawbacks such as reinforced concrete wallsmore upper wall double two-way reinforcement, an increase of the amount ofconcrete and steel; limiting the distance between the walls, making the spaceflexibility; shear wall structure lateral force resisting stiffness and ductility of thestructure, structural vibration period decreases, the structure of a largeearthquake reactions. Structural designers have found that the shear wallextremities to shorten the length to make it into a short pier shear wall, theformation of shear wall structure to be able to overcome these shortcomings."High regulation" short shear wall structure with the following provisions:prescribed under horizontal seismic shear wall to the bottom of the bearoverturning moment of not more than50%and not structural earthquake thebottom of the structure seismic overturning moment30%of the overturningmoment. Short shear wall structure has a carrying capacity, can make full useof the wall space layout flexibility, ductility, etc., is used widely in high-riseshear wall structure.Anshan City, a district of residential building project instance, compare theshear wall structure with short shear wall structure. The residential buildingshear wall structure design, its calculation and analysis by Satwe software,draw the deformation characteristics of shear wall, the internal forcecharacteristics, cycle characteristics analysis results and structuralreinforcement diagram. Then design a shear wall structure design in the same project conditions and loading conditions. And likewise calculated by thesoftware, draw critical data, compared with the short shear wall designadvantages and disadvantages, draw the short pier shear wall structure morereasonable force, the entire building load101.676tons less than the original, Xto the horizontal seismic force to reduce182.34KN to reduce145.09KN Y tothe horizontal seismic force, shear weight ratio reduced; the displacementangle ratio between the structural layer is sufficiently close to the limit of1/1000, continuity, good seismic performance, flexible spatial arrangement.But in terms of economic efficiency, shear wall structure than short limb shearwall, the same "L" shape,"T"-shaped wall form, short shear wall structure thansteel shear wall structure increased by about14%, the cost is increased.