Análise comparativa do custo da estrutura e mão de obra de uma edificação através da substituição do elemento de vedação interno convencional pelo Drywall.

Abstract

With the continuous growth of competitiveness in the construction sector, construction companies are seeking more efficient construction techniques aiming an increase in productivity and cost reduction of their buildings. In this context, the use of the drywall system as the inner seal has become increasingly frequent, replacing the conventional masonry of ceramic blocks. Despite the increasing use of this system, there is a lack of knowledge regarding the advantages and the economy that this type of seal can bring during the construction of the building. Therefore, the objective of this article is to compare the cost of the structure and labor through a structural project, demonstrating how significant the choice is of different sealing systems in a building, in this case, the traditional masonry in ceramic blocks and drywall. The structure analyzed is in reinforced concrete and meets the requirements mainly required by NBR 6118: 2014, NBR 6120: 1980 and NBR 6123: 1988 standards. In order to compare the two different sealing systems, two building models were created, each one using a different inner seal component. For this, the structural engineering software Cypecad was used for the design of the structural elements. With the structural design completed, a comparison was made between the two constructive methods, where it will be demonstrated through tables the differences of the load in the pillars, steel and concrete quantities, structure cost, labor cost and cost of materials for each type of internal seal. From the results obtained in the comparatives, it was identified that the most suitable inner sealing system for this building is the drywall.