7Berndt M L. Properties of sustainable concrete containing fly ash, slag and recycled concrete aggregate. Gonstr Build Mater, 2009, 23 (7) : 2606.
8Mehta P K. Reducing the environmental impact of concrete. Concr Int, 2001,23(10) :61.
9Prasad B K R, Eskandari H, Reddy B V V. Prediction of compressive strength of SCC and HPC with high volume fly ash using ANN. Constr Build Mater, 2009,23 ( 1 ) : 117.
10Gupta R, Kewalramani M A, Goel A. Prediction of concrete strength using neural-expert system. J Mater Civ Eng, 2006,18 (3) : 462.
