Effect of fineness and dosage of fly ash on selected properties of mortars


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This study aims to investigate the effect of different fineness and dosages of fly ash on the selected fresh and hardened and durability properties of mortar mixes with different w/b ratios. The flow, compressive strength, strength activity index and drying shrinkage of mortar mixes with two extreme range of strength, with various cement replacement proportions with different fly ashes, are compared with those of cement only mix having identical mix compositions.

  • Objective of the research study
  • Characteristics of CFA, RFA and GRFA
  • Effect of fineness and the level of PFA on the properties of cement paste and hardened cement mortar
  • Conclusion

Dr. Farzad Moghaddam - Senior Materials Engineer at Boral

Dr. Moghaddam is a professional Civil/Material Engineer with over 15 years of construction industry and research experience in concrete industry, concrete materials design, and concrete structures durability, including 8 years of working as a designer and project manager in several construction projects overseas. He has worked as a project lead on various R&D programs in Boral innovation Factory for the last 3 years including Evolve, a unique thermal modelling technology, Envisia and high SCM concrete, industrial pavement concrete, Rapid-set binder, Self-compacting concrete and etc.

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Total viewing time - 22 min