(3) Capillary flow analysis indicated that geopolymermortar has 55% reduction in pore diameter indicatingtheporesizerefinementandporeblockingeffectofthe particles.(4) Elevated temperature studies indicated that all thegeopolymer mortars are more resistant to temperature up to 900 degrees.(5) Acid immersion studies indicated that geopolymermortars have shown better acid-resistant properties.(6) By considering the various points obtained from thisinvestigation, RHA can be used as a substitute material for OPC
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