Diseño sísmico basado en desplazamientos de estructuras de hormigón armado aporticadas y estructuras con muros de corte

Abstract

Direct method displacement-based seismic design "DDBD" developed based on the work of Priestley, M. applied at regular reinforced concrete frame buildings and buildings with shear walls. Thus, a review of the theoretical foundations is done emphasizing the characteristics that includes the DDBD regarding the design of these buildings. Applying the method discussed as the structural system used, the performance of the structure is defined from a peak displacement rather than by its initial elastic characteristics, by focusing on the Substitute Structure the inelastic structure of several degrees of freedom (MDOF) is represented as a system of one degree of freedom with equivalent elastic properties (SDOF). Capacity design is employed to control of inelastic deformation mechanisms. Based on the principles of plastic analysis and structural dynamics included in the DDBD effects overstrength of the system and the higher modes of response are analyzed. The structural elements are designed and behavior of buildings is verified by assessing the level of performance obtained by nonlinear static analysis. Finally, the overall efficiency of the proposed method according to the results obtained is analyzing and the respective findings are established.