Abstract
Safety concerns in handling alkali solutions for traditional geopolymers have prompted the development of one-part geopolymer in which solid activators replace activating solution. The characteristics of one-part geopolymer are influenced by the types of material used. Waste materials such as fly ash, blast furnace slag, rice husk ash, red mud, geothermal silica, and albite were employed in one-part geopolymer studies. Solid activators namely sodium hydroxide, sodium silicate, sodium carbonate, sodium oxide, sodium aluminate, calcium hydroxide, potassium carbonate and so on were used to produce dry binders that can initiate geopolymerization when water is added. This chapter clarifies the characteristics of fresh and hardened one-part geopolymer based on materials, water content, additives and thermal treatment involved. The reaction of fabricated one-part geopolymers towards different extreme environments was also explained thoroughly in this chapter.
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