liotier @liotier CC BY-SA 17/01/2017 Lessons learned from #Iraq: urban battlefield becomes more manageable when shaped in compartments using #concrete barriers▻http://mwi.usma.edu/effective-weapon-modern-battlefield-concrete #Irak #béton #tactique #génie #Iraq liotier @liotier CC BY-SA
liotier @liotier CC BY-SA 7/05/2015 #Rebar on Riverside Drive, Los Angeles - high enough metal/concrete ratio for y’a ? http://i.imgur.com/VimwXzn.jpg #metal #concrete #béton #antisismique #Los Angeles liotier @liotier CC BY-SA