5 mayo 2015
Engineers have developed a shotcrete which is much more robust than traditional concrete. It can render tunnels, bridges and other constructions more resistant against fires and explosions. The new formula includes 140 kilograms steel fibers per cubic meter concrete – a figure that was thought to be impossible for shotcrete.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/IAQ8Xg-VY14/150505082829.htm
