Investigations on Ambient Cured Alkali-Activated One-Part Geopolymer Concrete

The rapid infrastructure development in the world have constructed necessity for construction materials with sustainability and lesser carbon release. Currently, research people have investigated the suitability of GPC to be an alternative eco-friendly construction material, but the high curing temperature and need for addition of chemical activators have subdued the widespread application of the same. The techniques adopted for geopolymerization using chemical compounds are regularly implemented in which alkali activators to mix with the solid Al-Si-based materials and help in binder formation which are destructive in nature and often considered to be gelatinous solutions with non-user friendly. These would be problematic to use for huge production. One-part GP mixtures are a newly innovated material, developed to provide simplified solution in handling alkaline solution-activated GP. It is made by alumina silica-based industrial waste by-products that are combined with solid alkaline activators, whereas the silicate solutions are used as activators in typical GP binders. In one-part GP mixtures, solid activators will be in dry solid (powder) form. When the water is added, the reaction begins and becomes as paste same as Portland cement mix. Investigations are carried out on ambient curing property of the developed one-part GP mix. It could develop the marketable capability and wide range of GP applications in building sector. This paper presents about the manufacture, behaviour, performance, and the factors affecting the efficiency of one-part GPC.