Investigation of instability in waste glass-based eco-concrete panels under thermomechanical buckling loads

This study aims to elucidate the impact of varying waste glass powder (WGP) content in the concrete mixture on the critical buckling temperature loads (ΔTcr) of thin eco-concrete panels. Our analysis employs the small elastic deformation theory to simulate the eco-concrete panel analytically. The thermo-mechanical performance of the structure is evaluated using Hognestad's homogenization model and compared to the preliminary reference curve for the elasto-plastic behavior of concrete. The equations of motion for thin eco-concrete panels impregnated with different proportions of WGP are determined using elastic governing equations for solids and solved according to the system boundary conditions. The results indicate that as panel thickness decreases and the width-to-length (b/a) ratio increases, the critical temperature (ΔTcr) decreases. Furthermore, an increase in the percentage of WGP in high-performance concrete results in a higher critical temperature (ΔTcr). These findings support and encourage the use of WGP in construction concrete, highlighting the potential environmental benefits of incorporating waste materials to promote ecological sustainability.