0012-7353 0012-7353 S0012-73532018000200338 10.15446/dyna.v85n205.65539 Colombia Colombia Colombia Colombia 00 06 2018 00 06 2018 85 205 338 347

[1] 2014 34 2 2 493-504 [2] 2013 220 220 85-9 [3] 2014 85 85 87-93 [4] 2014 [5] 2012 2011 416-21 [6] 2006 26 13 13 2561-79 [7] 2004 180 180 500-5 [8] 2015 18 18 125-35 [9] 2013 220 220 14-9 [10] [11] ASTM 2014 1-16 [12] 2015 [13] 2015 35 5 5 1613-20 [14] 2014 5 2 2 125-30 [15] 2001 36 7 7 1417-30 [16] 2013 33 6 6 1077-86 [17] 1939 22 22 342-8 [18] 2005 36 1 1 75-84 [19] 1966 7 7 715-20 [20] 2007 90 8 8 2489-96 [21] 1987 27 27 705-8 [22] 2005 31 8 8 1117-21 [23] 2014 34 8 8 2023-33 [24] 1999 34 23 23 5821-5 [25] 2005 88 6 6 1568-74 [26] [27] 2009 [28] 2006 7 7 117-21 [29] 2014 66 3 3 331-5 [30] 2011 21-2 [31] 1998 2219 2219 837-48 [32] 2001 27 6 6 689-94 [33] 2014 2 2 83-96 [34] 1976 17 17 146-7 [35] 2012 2 2 121-5 [36] 2004 [37] ASTM 2014 213-6