Análise de um projeto estrutural de um edifício de andares múltiplos em estrutura de aço assistido por um programa comercial

Abstract

The purpose of this work is to present a study of the dimensioning of an 8-story building (in addition to the engine room and upper reservoir) in metallic structure, carried out in a computer program and verified with the aid of spreadsheets. The system of steel structures was chosen, with pillars in full web and composite steel beams in full web, in which there is a contribution from the reinforced concrete slab. The structure will have most of the rigid links, with connections made by plates welded to the profiles and connected to the other elements by screws. The calculation of the concrete slabs was done in accordance with ABNT NBR 6118 (2014). Actions were calculated according to ABNT NBR 6120 (2019) and horizontal forces due to wind were calculated from ABNT NBR 6123 (1988). The program used for the design was ATIR STRAP 2017. The analysis of loads and results was extracted directly from the program and the data were used for the 2 methods. The two forms of calculation were based on NBR 8800 (2008). During and at the end of the sizing, quantitative and qualitative comparisons were made, as well as the time required for each one. At the end of the study, analytical conclusions of a practical nature and from the point of view of structural and economic safety were made.