2020-05-08

Heat treatment reduces alkali attack in geopolymer concrete

Fly ash, inevitably generated by coal-fired power stations, has more worth than flooding landfills and ash dams worldwide.  

It's ability to transform from a waste product into a environmentally friendly and economically savvy material is evident in geopolymer concrete. However, geopolymer structures exposed to highly alkaline conditions have shown low resistance, an undesirable outcome that researchers at the University of Johannesburg are tackling. 

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