2007-6835 2007-6835 S2007-68352017000300286 10.21041/ra.v7i3.127 Brazil 00 12 2017 00 12 2017 7 3 286 301

2013 American Concrete Institute 1998 Associação Brasileira de Normas Técnicas 2013 2006 2006 Berlin BRITISH STANDARDS INSTITUTION 1986 20 2014 133p 2005 2 985-1015 2008 12 Salvador, Brasil 12 2005 241 2009 196 2009 Curitiba, Brasil 13 2009 Curitiba, Brasil 14 2008 573 1991 343 2009 Curitiba, Brasil 10 2002 167