A Study on Using Glass Fiber-Reinforced Polymer Composites for Shear and Flexural Enhancement of Reinforced Concrete Beams

Table 4

Flexural strength of concrete 21 days test plain concrete beam samples.

Series	Sample spacemen	Average load (kN)	Average flexural strength (MPa)	Average moment capacity
Set I	Control	16.8	3.36	3.15
	0.25% fiber	17	3.4	3.19
	0.50% fiber	17.2	3.44	3.23
	0.75% fiber	18.47	3.69	3.46