Impact of the Vertical Component of Earthquake Ground Motion in the Performance Level of Steel Buildings

Applied Sciences

AdriánDavid García-Soto¹  Jesús-Gerardo Valdés-Vázquez¹  MiguelÁ. Jaimes² 

[1] Department of Civil and Environmental Engineering, Universidad de Guanajuato, Juárez 77, Zona Centro, Guanajuato, Gto. 36000, Mexico;Instituto de Ingeniería, UNAM, Coordinación de Ingeniería Estructural, Av. Universidad, No. 3000, Coyoacán, Mexico City C.P. 04510, Mexico;

关键词: non-linear dynamic analysis;    seismic response;    vertical component;    acceptance criteria;    steel buildings;   

DOI  :  10.3390/app11041925

来源: DOAJ

【 摘 要 】

This study discusses the impact of the vertical component of earthquake ground motion in the performance level of steel building subjected to earthquake excitations. Analyses are carried out for the strong column-weak beam philosophy because the structural performance is focused on these elements. A realistic steel frame is also considered to investigate the impact of including the seismic vertical component in the non-linear response of the building. The main findings of this study are: (1) When an analysis is performed by considering the horizontal and vertical components of ground motion acting simultaneously (near the causative fault), larger plastic rotations in the beams are obtained as compared to those resulting by considering only the horizontal component. (2) Due to the previous finding, if a codified criterion to inspect the steel beams performance in terms of the plastic rotation is considered, the beam performance could lie within a different acceptation criterion (i.e., from immediate occupancy to collapse prevention) if the vertical component is included in the analysis.

【 授权许可】

Unknown