Effect of Fiber Content on Mechanical Properties and Microstructural Characteristics of Alkali Resistant Glass Fiber Reinforced Concrete

Table 3

ARGFRC flexural strength.

Specimens	SG	D (mm)	CP (days)	(kN)	(MPa)	(MPa)	(MPa)	(MPa)	SR
FS-FC0	C40	100 × 100 × 350	28	17.94	5.38	6.19	5.26	5.27	1.00
				22.48	6.74
				21.51	6.45
FS-FC0.3			28	24.10	7.23	6.71	5.70	5.44	1.08
				22.96	6.89
				20.00	6.00
FS-FC0.5			28	25.56	7.67	7.35	6.25	5.78	1.19
				25.36	7.61
				22.62	6.79
FS-FC0.8			28	28.27	8.48	7.32	6.21	5.78	1.18
				21.33	6.40
				23.57	7.07
FS-FC1.0			28	24.18	7.25	7.21	6.13	5.61	1.17
				25.96	7.79
				21.99	6.60
FS-FC1.3			28	22.16	6.65	6.57	5.58	5.27	1.06
				22.65	6.80
				20.84	6.25
FS-FC1.5			28	31.06	9.32	7.11	6.04	5.19	1.15
				23.26	6.98
				24.14	7.24
AV									1.12
SD									0.07

Note. SG = strength grade; D = dimension; CP = curing period;  = failure load;  = flexural strength;  = average flexural strength;  = standard flexural strength;  = initial crack strength; SR = strength ratio; AV = average value; and SD = standard deviation.