Performance-based specification for geopolymer concrete in chloride environments


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Chemical reactions characterizing alkali-activated binder systems differ drastically from conventional hydration process of Portland cement. Thus, the mechanisms by which concrete achieves potential durability are different between the two types of binders. As a result, testing methods and performance-based requirements for geopolymer must be developed to be incorporated in a performance-based standard. Testing methods presented will be looking at the risk of alkali leaching and efflorescence, the passivity of reinforcement and chloride induced steel reinforcement corrosion in GC concrete.

  • Developing performance based specification for Geopolymer concrete
  • Testing programme
  • Testing method relating to chloride specification
  • Standard ASTM C1202 test results
  • PFA class F Vs GGBFS field trials
Prof Arnaud Castel: Professor at University of Technology Sydney

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Total viewing time - 16 min