DEF in low alkali cement mortars exposed to high-temperature steam curing


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Precast  concrete  production  widely uses steam  curing  to  accelerate  the  concrete  strength  attainment. Achieving one-day target strength in the range 27-31 MPa by accelerated curing methods allows the precast manufacturer to prestress the  concrete  element  onsite and  thereby  helping  to reduce the  production cycle  time. However, the  durability of steam-cured concretes  is often  questioned due to the possible occurrence of delayed ettringite formation (DEF) where the formation of ettringite in later ages.


  • Introduction
  • Materials
  • Experimental methods 
  • Results and discussion
    Results and discussion

Speaker: Yogesh Kumar Ramu, Research Engineer at University of Technology Sydney



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Total viewing time - 18 min