9 Questions
What has been a hindrance to studying fly ash composition in the past?
A lack of quantitative analytical data
Which research group developed reliable methodologies for mineral quantification?
Winborn et al.
What is the classification of Pulverized Fuel Ash based on its lime content?
ASTM class F and C fly ashes
Which method of classification for fly ash was proposed by Roy et al.?
Sialic, Calcic, and Ferric
What are the three major groups of oxides defined in the text?
Sialic, Calcic, and Ferric
What is the typical size range of the spherical particles in fly ash?
Less than 1 mm to 300 mm
Which classes are defined next to the three major classes on the ternary diagram?
(Ferrocalcic, Ferrosialic, Calsialic)
What do the spherical particles in fly ash form upon?
Rapid cooling of viscous droplets
What is the alternative classification proposed by Roy et al. called?
SiO2 + Al2O3 + TiO2 (sialic); CaO + MgO + Na2O + K2O + (BaO) (calcic); Fe2O3 + MnO + P2O5 + SO3 (ferric)
Explore how certain waste materials can positively influence the microstructure, mechanical, and durability properties of mortars and concrete. Discover recent research efforts in utilizing waste materials in cement and concrete production to enhance product sustainability.
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