Mixed construction waste powder as a supplementary cementitious material: study in packaged pastes
DOI:
https://doi.org/10.46421/entac.v19i1.2156Keywords:
Ecoefficient cement, Residue utilization, Particle packingAbstract
This study evaluated the replacement of Portland cement by RMF (mixed construction and demolition waste powder - d <0.15 mm) calcined at 800 °C for 0, 0.5, 1, 2 and 3 h. The substitution levels were defined by particle packing, with evaluation of the compressive strength in pastes at 28 days. Higher strengths than the reference were obtained with 25% of RMF, 17% in natura and 8% calcined for 1 and 2 hours. The potential for cement replacement by RMF, which acts as a filler material, was verified, bringing contribution to future research in other cement matrices.
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