Table 3.

Peak strength (MPa).

Fiber Content	Specimens					Average	S.D. *	COV **
	1	2	3	4	5
No Fiber	0.43	0.48	0.49	0.46	0.51	0.47	0.03	6.80
0.20%	0.49	0.41	0.66	0.51	0.60	0.54	0.10	18.19
0.40%	0.55	0.46	0.61	0.57	0.73	0.58	0.10	17.03
0.60%	0.87	0.76	0.75	1.04	0.81	0.84	0.12	14.12
0.80%	0.67	0.83	0.62	0.79	0.79	0.74	0.09	12.14
1.00%	0.63	0.60	0.62	0.73	0.55	0.63	0.07	10.57

* Standard deviation, ** Coefficient of variation.