Desempenho técnico-econômico de sistemas construtivos aplicados à habitação econômica: estudo comparativo entre parede de concreto e alvenaria estrutural

Abstract

This research is characterized as a case study that sought to analyze, from a comparative perspective, two real projects carried out with the structural masonry system using concrete blocks and the cast-in-place concrete wall system. The proposal is to evaluate both methods considering aspects of cost, schedule, productivity, and constructive feasibility in the context of affordable housing developments. The work is defined as an applied case study, and the methodology adopted involved literature review, data collection, data analysis, and discussion of results. The data collected showed that the project using the cast-in-place concrete wall system presented lower cost and shorter schedule, in addition to higher labor productivity. Considering operational and logistical aspects, the cast-in-place concrete wall system also proved more advantageous, as it enables a leaner and more organized worksite, requires fewer functions and materials, and optimizes processes and space on the construction site. On the other hand, the system presents a high implementation cost and demands financial and logistical structures that make its application unfeasible in smaller-scale contexts. Therefore, the structural masonry system proves to be a more viable option for smaller-scale projects and sequencing, as it is more accessible and easier to implement when compared to the cast-in place concrete wall system