비선형 정적해석을 통한 횡저항 시스템의 보유성능 평가 및 설계방안 연구

Abstract

The design practice of the lateral resisting system has been traditionally dependent on the experience and know-how of a structural engineer. And the method to reflect the evaluation results of building`s capacity on design process doesn`t exist. The proposal of a rational design of the lateral load resisting system is based on the available full capacity of a building and the minimum required capacity suggested in the code. This study suggests thai nonlinear static analysis, which is the estimation of the lateral capacity with the pushover analysis, be included in the existing design procedure of the structure. After finishing the basic structural design, the lateral resisting capacity ol a building is estimated. At the phase of nonlinear static analysis, pushover analysis is peformed to define the fully yielded baseshear . When the design wind baseshear is bigger than the design seismic baseshear , the value is checked to determine whether or not it is smaller than the . After confirming that it is smaller, the of the structure is computed. If the is bigger at first, only the is computed. When the value of the estimation shows remarkable differences with the , repetition of the design modification is needed for those approximate to the . Application of the proposed design procedure to 2-D steel braced RC buildings has proven to be efficient.