Aseismatic Capability Study Of The Vertical SRC-RC Omnibus Structure

This thesis mainly studies the effect to aseismatic capability of the vertical SRC-RC omnibus structure when transition-floor is changed,and researches the SRC nodes stress,strain and displacement on the load.The ground floor column's axial compressive force is especially big in high-rise buildings and skyscrapers . If using RC column ,it will lead short-column and "fat-column";if adopting steel structure ,it may reduce section area sharping,but its capacity of bearing erosion is weak,especially fireproof performance is its fatal weakness;SRC may not only reduce section area effectively,but also save steel,without the weaknesses in bearing erosion and fire-resistant capacity. So the vertical SRC-RC omnibus structure is introduced by many high rise buildings.With PKPM, the floor-shearing forces and floor displacements of the vertical SRC-RC omnibus structure on small earthquake and big earthquake when the transition-floor's place is changed, and the rule is finded: when the transition-floor's place is setted in the bottom and the top of the building, the floor shearing forces and displacements are changed little comparing with the RSC structure. Sothe unsubstantial floor is not apt to appear; When the transition-floor's place is setted in middle part of the building, the floor shearing forces and displacements are changed largely comparing with the SRC structure. So the unsubstantial floor is apt to appear.At last, the SRC node's stress,strain and displacement are calculated with ANSYS and according to the solution, the breakage mode is analysed.