This scientific research was carried out within the framework of contributing to the recovery different of natures of waste. and making it possible to minimize using of natural aggregates in the field of construction. in order to place an eco-self-consolidating concrete (eco-SCC). Crushed demolition waste mainly of concrete had been studied as a substitute for natural sand. https://www.chiggate.com/aptamil-allerpro-syneo-2-900g-online-now/