Analysis Of The Frame Structure Of Bending And Torsion Coupling

Frame-shear wall structure is shared by the frame and shear wall the structure of the horizontal and vertical loads. Therefore, the frame structure is a dual lateral force resisting structure. The lateral stiffness of shear wall structure is much larger than the framework, are responsible for the vast majority of the shear, while the framework assumed lateral force is relatively small, both linked by the role of the floor. Floor in its own plane stiffness can be seen as rigid, so that the frames and shear walls have a common deformation at the floor elevation.The frame and shear wall arrangement is very flexible, and its method of calculating work together more:use of computers for solving the matrix displacement method, the simplified calculation method based on certain assumed.Based on thin-walled theory Hamiltonian for solving the system used in frame-shear wall structure of the internal force analysis. Assuming continuous floor role along the height of the frame-shear wall structure of the lateral force resisting unit simplified taking into account the reverse, bending, shear deformation of thin-walled beam calculation model, the lateral force resisting unit connected by rigid floor force, to simplify the structure of the combination of thin-walled beam cross-section model can better reflect the architectural structure of the force.Starting from the energy variational principle, by the Legendre transform to introduce the dual variable frame-shear wall structure of the solution into the Hamiltonian Solution System are respectively derived frame structure collaborative analysis of the Hamiltonian dual equations and second order effects of the Hamiltonian duality equation. MATLAB calculation procedures use both ends of the boundary value problem of the precise integration method the preparation of the corresponding problem to arrive at the high-precision numerical solution. Finally, this method is applied to specific examples, the calculation results to verify the feasibility of the proposed method with existing methods. The same time, this method can be used for a large space at the bottom of the structure of variable cross-section structure of the internal force analysis prepared by the procedure has good versatility, simple modification can be applied to simplify the calculation of similar structure. Preliminary calculation of the frame structure designed to provide a new approach.