The Dynamic Advanced Analysis And Realization For Steel Frame-Concrete Shear Wall New Type Hybrid Structure

As our country s economic continue developing, more and more high-rise building use steel-concrete structure system especially in residence building and it develop rapidly in recent years. Steel frame-steel reinforced concrete shear wall as a kind of new type hybrid structure are studied by some researchers and applied in civil engineering, and have achieved some results, but for the second order inelastic and seismic response analysis of this hybrid structure have not completed, and must do some further research. The object-oriented steel frame-steel reinforced concrete shear wall new type hybrid structure dynamic advanced analysis program(DAAP) is compiled base on the C++ language. The main research works of this paper are showed as below:Firstly, the quasi static experiment of six specimens semi-rigid joints of cover-plate dog-bone end-plate are analyzed and designed, the analysis results show that the semi-rigid joints of cover-plate dog-bone end-plate performed best in hysteretic curve and seismic behavior,Secondly, based on the beam-column theory method, the loading features of steel frame beam-column component of the new type hybrid structure are considered, and the second-order inelastic stiffness matrix of the beam-column element is derived. According to the moment-deflection equation, considered the axial force effect and shear deformation effect, Meanwhile, the initial imperfection for geometric and mechanics are take into account, and the second-order inelastic stiffness matrix of the beam-column element is derived, and the second-order inelastic stiffness matrix of semi-rigid joint is derived through element connections method based on the steel frame beam-column element. Some examples are analysed, it was proved that the beam-column element is correct and reliable.Thirdly,the steel reinforced concrete shear wall analysis model is established based on fiber model. The second-order inelastic stiffness matrix of steel reinforced concrete shear wall element is deduced by flexibility method, and some examples are analysed, it was proved that the steel reinforced concrete shear wall element is correct and available.Fourthly, according to the theory of this paper, with the object-oriented programming, the dynamic advanced analysis program(DAAP) is compiled, and the whole structure is divided by use the C++ language as follows: element, load, node, overall structure, material and load group. And some examples are analysed, it was proved that the program has high accuracy and computational efficiency.Fifthly, through using the beam-column element and fiber element which are derived in this paper, the examples analysis proved that the moment of hybrid structure top floor displacement and acceleration in reach extremum are lagged with the input seismic acceleration spectrum, the changes of top floor displacement and acceleration are not synchronized with the input seismic wave. The respond of displacement and acceleration are different when the hybrid structures are under different seismic wave stimulated, it can not been reflecedt the real seismic respond of hybrid structure that the geometric nonlinear or material nonlinear of the hybrid structures are considered.