Table 3.

Results of the direct tensile test.

Specimen	At First Cracking		At Ultimate Stress
	Stress (MPa)	CMOD (mm)	Stress (MPa)	CMOD (mm)
Method A-1	6.79	0.007	7.34	0.249
Method A-2	5.56	0.007	7.73	0.215
Method A-3	7.70	0.008	7.70	0.008
Average	6.68	0.007	7.59	0.157
St. dev.	1.07	0.001	0.217	0.130
Method B-1	8.69	0.008	15.10	0.601
Method B-2	8.08	0.008	14.58	0.109
Method B-3	5.88	0.006	15.09	0.397
Average	7.55	0.007	14.92	0.369
St. dev.	1.48	0.001	0.297	0.247