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Risk-Based Seismic Design Optimization Of Steel Building Systems With Passive Damping Devices, Junshan Liu
Risk-Based Seismic Design Optimization Of Steel Building Systems With Passive Damping Devices, Junshan Liu
Dissertations (1934 -)
Nonlinear time history analysis software and an optimization algorithm for automating design of steel frame buildings with and without supplemental passive damping systems using the risk- or performance-based seismic design philosophy are developed in this dissertation. The software package developed is suitable for conducting dynamic analysis of 2D steel framed structures modeled as shear buildings with linear/nonlinear viscous and viscoelastic dampers. Both single degree of freedom (SDOF) and multiple degree of freedom (multistory or MDOF) shear-building systems are considered to validate the nonlinear analysis engine developed. The response of both un-damped and damped structures using the 1940 EI Centro (Imperial …