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Representative foamed concrete specimens after the tensile test, reinforced with untreated henequen fiber: (a) H0.5FC; (b) H1.0FC and (c) H1.5FC; with treated henequen fiber: (d) HT0.5FC; (e) HT1.0FC and (f) HT1.5FC and with PP fiber: (g) PP0.5FC; (h) PP1.0FC and (i) PP1.5FC.
