This study presents stiffness-based optimal design to control quantitatively lateral drift of tall steel braced frames subject to seismic loads and effect of dynamic displacement control according to the shape of steel braced frames. To this end, lat...
This study presents stiffness-based optimal design to control quantitatively lateral drift of tall steel braced frames subject to seismic loads and effect of dynamic displacement control according to the shape of steel braced frames. To this end, lateral drift constraints are established by introducing approximation concept that preserves the generality of the mathematical programming and can efficiently solve large scale problems. Also, the relationships of sectional properties are established to reduce the number of design variables and resizing technique of member is developed under the 'constant-shape' assumption. Specifically, the methodology of dynamic displacement sensitivity analysis is developed to formulate the approximated lateral displacement constraints.