The Seismic Performance Analysis For The Ceramsite Concreteframe-shear Wall Structure

With the promotion of building height, in recent years, buildings bring human great disaster such as collapse and damage when they server to people. Earthquake is one of the most important factors in these varies of natural forces which cause the building collapse. The damage of earthquake to buildings is derived from the inertia effect building quality, while quality for these forces depend on itself structure and material. From building decorate form and use of these lightweight materials to reduce the construction quality. At present, Fly ash ceramist concrete is the main choose to instead of the normal lightweight materials, which belongs to the lightweight aggregate concrete. The research on the fly ash ceramist concrete at home and abroad is mainly focused on the bearing capacity concrete for individual component, seismic performance test and theoretical research. The research on the whole structure of elastoplastic seismic performance of component in plastic hinge is relatively less. As for these problems in this researching field, based on the fly ash ceramsite concrete appropriate mechanical model and constitutive relation used SAP2000, this paper analyzed six layers fly ash ceramsite concrete frame-shear wall, with response spectrurn ,dynamic elastic-plastic time history analysis and PUSHOVER analysis, which would provide the basis for the application of fly ash ceramsite concrete. The main research contents and results are as follow:(1)As shown from the comparison for the dynamic property of the two concrete frame, the period cycle of the shear wall is larger than the ordinary concrete frame-shear wall, and the first three order formations are same.(2)Under the same seismic, fly ash ceramsite concrete frame-shear wall plastic anti hinge structure development are better than ordinary concrete frame-shear wall, as well as the forces. Fly ash ceramist concrete frame-shear wall owner total displacement and the inter story displacements in elastic plastic stage than ordinary concrete frame-shear wall.(3) when one structure under three kinds of seismic waves, total displacement and shear has little difference, which based on the seismic wave with different the stress in main part of structure occurred.(4)Under the same loading condition, the development ability of fly ash ceramsite concrete frame-shear wall of the anti-plastic hinge is better than ordinary concrete frame-shear wall when add loading of nonlinear.The total displacement has opposite result, which depend on different loading between tow structures.The results show that if the two kinds of structure in elastic stage, we could consider that fly ash ceramsite concrete frame-shear wall is slightly lower than ordinary concrete frame-shear wall on the aspect of seismic performance.If the two kinds of structure in elastic-plastic phase, the fly ash ceramsite concrete frame-shear wall and the ordinary concrete frame-shear wall is quite in the ability of resisting seismic collapse when the same conditions of seismic wave comes.When using the nonlinear static load, vertex displacement and displacement angle is mainly depend on the loading pattern of fly ash ceramsite concrete frame-shear wall and the ordinary concrete frame-shear wall.