Mortar strength of Low calcium Flyashbased Geopolymer
Journal Title: IOSR Journals (IOSR Journal of Electrical and Electronics Engineering) - Year 2017, Vol 12, Issue 1
Abstract
Development of an alternative to conventional cement binder has become the essential need in the construction industries. Production of the conventional constituents of concrete particularly Portland cement exploits significant amount of natural resources and emits equivalent amountof carbon dioxide to the atmosphere. Research made on making binder without cement has come to a viable level of developing geopolymers.Industrial wastes and by products that are pozzolanic in nature are being used as source material and activated using alkaline solutions to use as binder. Considerable research has been carried out to study about the performance of geopolymer concrete with steam curing or hot curing which are feasible for precast concrete and practically not viable for conventional construction activities. However, there is not much data available on themortar strength.Abasic study on the strength characteristicsof low calcium flyash based geopolymer with 8-16M molar concentration of Sodium hydroxide and 1.5-3.0 liquid ratios of sodium silicate to sodium hydroxide. Both hot oven curingat 65oC and ambient curing at room temperature aremade. The results are compared and the optimum molarity for maximum strength is reported.
Authors and Affiliations
Manimaran E, Mohankumar G.
Keywords
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- EP ID EP389040
- DOI 10.9790/1676-1201030105.
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