Old residual mortar as a quality indicator of recycled brick aggregate

HIGHLIGHTS

• What: This study aims to quantify the effect of old mortar on the properties of recycled brick aggregates (RBA) and recycled concrete (ReC) made with them. The study reveals that the quality of RBA and concrete worsens with increasing RM with a 20% RM value being considered a limiting value to maintain minimal variation in properties. The natural brick aggregates used in this investigation had a water absorption of 9.08% which was much 000061-8 Increase in water absorption with increasing RM content. The ACI 211.1 standard practice for concrete proportioning adopted in this study . . .
  

   

  

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