Advancements in Experimental Research on Gypsum-Enhanced Fly Ash-Sand-Lime Bricks

This abstract highlights the advancements made in experimental research on gypsum-enhanced fly ash-sand-lime bricks, focusing on their properties and performance. Gypsum-enhanced fly ash-sand-lime bricks are gaining attention in sustainable construction due to their potential for reducing environmental impact and improving the durability of construction materials. The experimental research conducted on these bricks has primarily focused on enhancing their mechanical properties and reducing water absorption. Various factors, such as the proportion of fly ash in the mixture and the addition of lime, have been investigated to understand their effects on the bricks’ performance. The results of the experiments reveal that higher proportions of fly ash in the mixture lead to increased water absorption, primarily due to inadequate binding. Surprisingly, the addition of lime to the fly ash does not effectively reduce water absorption; instead, it further increases it. These findings underscore the need for careful optimization of material proportions to achieve desired mechanical properties and reduce water absorption in gypsum-enhanced fly ash-sand-lime bricks. The advancements in experimental research provide valuable insights for manufacturers, engineers, and researchers in the production and application of these sustainable bricks. Future research directions may include exploring alternative additives or modifications to address the water absorption issue and investigating the underlying mechanisms behind poor binding.