The aim of this study was concretes waste recovery by replacing natural aggregates (NA) by recycled aggregates (RA) at rates of 0%. 50% and 100%. Recycled aggregates coming from construction and demolition waste (CDW) present a low quality compared to natural aggregates. the water absorption being their main drawback. https://www.kaliboat.com/product-category/glass-frostersglass-chillers/