Stochastic Earthquake Response And Earthquakeaction Calculation Of The Damper Energy Dissipation Structures

In order to calculate the random seismic response and earthquake action calculation of energy dissipation structure and short-leg shear wall, this thesis had done the following works:1. Based on the stochastic averaging method to establish the method of analyzing the response of single degree of freedom (SDOF) energy dissipation structure under stationary or non-stationary stochastic seismic excitation. It applies to the situation of limited supporting stiffness. Damper models include fractional derivative model and Maxwell model. These models apply to the fluid viscous dampers and viscoelastic dampers, which are the most widely used. The probability density function and response variance of displacement and velocity can be obtained.2. Based on the stochastic averaging method to analysis the response of Multi-degree-of-freedom (MDOF) structure under stationary stochastic seismic excitation. Damper models include fractional derivative model and Maxwell model. The probability density function and response variance of displacement and velocity can be obtained.3. Leaded equivalent damping ratio the SDOF energy dissipation structure and MDOF energy dissipation structure. The method of earthquake action calculation of energy dissipation structure on the seismic design response spectrum is established. Thus, the seismic design response spectrum on the code can be applied to the energy dissipation structure of the actual project.4. Established the fourth order equation of short-leg shear wall with continues method. Leaded sixth-order differential equation which contains only horizontal displacement based on D'Alembert principle. Considering the boundary conditions, and makes its coefficient determinant is zero, then it can obtain the natural frequencies and modes. Base on the Kanai-Tajimi spectrum, decoupled the motion equations by the complex- mode method. Then it leads out the random earthquake response of the shear wall.