Análise da deslocabilidade lateral de edifícios de múltiplos andares com modelos tridimensionais de barra
Abstract
The structural modeling of mult-storey buildings using the simplified model in which the
slabs is calculated in isolation and their efforts transferred to a three-dimensional frames is
now overcome by the state of the art computational analysis. Currently even with structures
formed by bar elements (three-dimensional frames) it is possible to make the analysis
considering the effect monolithic of concrete structures or operating as a whole. For certain
cases, it is essential to consider all the structural elements participating in the bracing to the
structure is presented stable in the horizontal actions combined with vertical actions, such as
the flat slabs systems.Through of analysis examples of structures of buildings with multiple
floors in reinforced concrete are presented advantages in performing three-dimensional
modeling, comparing the results obtained with the simplified models. It shows the importance
of considering the slab stiffness in flat slabs systems and how the distribution of efforts to
change the three-dimensional model. Analyses are done using commercial software tool
allowing verify quantitative variation of structural materials. Finally an analysis is made of
the examples made showing the main differences in the new models.