Análise de ruptura de prismas de alvenaria estrutural através da correlação de imagem digital

Abstract

Despite advances in technology, there is still a lack of knowledge related to the occurrence of structural masonry rupture. For this, it is interesting to use an instrumentation in the analysis of compressed prisms. Digital image correlation (DIC) is an evolution that can be applied in these assays, as it is the same as full field transformation. This study aimed to evaluate the application of digital image correlation using GOM Correlations in structural masonry software by analyzing the behavior of prisms of ungutted hollow ceramic blocks constructed with clays of different strengths. For this, axial compression tests were performed on two-row prisms, with three different industrialized clay strengths, 2, 6 and 12 MPa. These trials were filmed and did not analyze any GOM Correlate software. The final results of this research proved that the digital image correlation is efficient compared to LVDTs and that the low mortar resistance is induced by block breakage by joint crushing.