Pea gravel and limestone were obtained locally in central Texas. The recycled concrete aggregate blend RCAB was produced by mixing 50% of crushed virgin limestone aggregate and 50% of recycled concrete aggregate. Portland Cement Type I was used in this study.
La gravilla y piedra caliza se obtuvieron localmente, en la zona central de Texas, EE.UU. La mezcla de agregado de hormigón reciclado RCAB, por su sigla en inglés se preparó mezclando un 50% de agregado de piedra caliza virgen triturada y un 50% de agregado de hormigón reciclado.