Mechanical Properties of Polypropylene Macrofiber-Reinforced Concrete

Table 7

Bending test results.

Group	Ultimate bearing load (kN)	Increase range (%)	Peak deflection (mm)	KIC (MPa/m^1/2)	Gf (N/m)
A-0	10.0	0	0.1340	0.25	279.2
A-0.5	10.6	6.0	0.2096	0.26	382.7
A-1.0	12.4	24.0	0.3221	0.31	429.5
A-1.5	14.0	40.0	0.6118	0.35	485.6