@conference {SIEEUM7822,
	title = {Using metakaolin to improve the compressive strength and the durability of fly ash based concrete},
	journal = {INVACO2 - International Conference on Innovation and Valorization in Civil Engineering and Construction Materials},
	year = {2011},
	month = {2011-01-01 00:00:00},
	address = {Rabat Marrocos},
	keywords = {Concrete, Durability, Fly ash, Mechanical strength, Metakaolin, Portland cement},
	url = {http://sieeum.eng.uminho.pt/publicacoes/pub.aspx?pubid=7822},
	author = {Pacheco-Torgal, F. and Shahsavandi, A. and Jalali, S.}
}