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Hydration of Binary and Tertiary Fly ash and Quicklime Blended Cement Paste System
Title
Hydration of Binary and Tertiary Fly ash and Quicklime Blended Cement Paste System
Author
Ojaruega, Akpovona
Date Created
2018
Subjects--Topical
Civil engineering
Description
The hydration kinetics in blended cementitious systems with fly ash are quite different from those in conventional cementitious systems. The pozzolanic nature of fly ash not only reduces the rate of hydration in cement-fly ash blends, but also rea...
Mobilization of oxyanion forming trace elements from fly ash based geopolymer concrete
Title
Mobilization of oxyanion forming trace elements from fly ash based geopolymer concrete
Author
Sanusi, Olanrewaju
Date Created
2012
Subjects--Topical
Environmental engineering
Description
The suitability of fly ash based geopolymer concrete as a replacement for ordinary Portland cement (OPC) concrete depends on the mobility of elements from the material. Due to the alkaline nature of geopolymer concrete, there is a potential for th...
WATER REPELLENCY EFFECT ON UNSATURATED PROPERTIES OF COMPACTED COAL COMBUSTION RESIDUALS
Title
WATER REPELLENCY EFFECT ON UNSATURATED PROPERTIES OF COMPACTED COAL COMBUSTION RESIDUALS
Author
Dumenu, Livingstone
Date Created
2019
Subjects--Topical
Civil engineering
Description
The generation of electricity from coal-fired power plants continue to be a mainstream approach. It is estimated that about 107 million tons of coal combustion residuals (CCRs) were generated in 2017 in the US (ACAA 2018). This equal amount of CCR...