Optimized Design of Polyethylene Fiber-Engineered Cementitious Composite Mix Ratio Based on the Analytic Hierarchy Process

Table 8

Uniaxial tensile test results of the specimens.

Mix number	Age(day)	Average initial cracking strength (MPa)	Standard deviation of initial crack strength (MPa)	Average ultimate tensile strength (MPa)	Standard deviation of ultimate tensile strength (MPa)	Average tensiledisplacement(mm)	Standard deviation of tensile displacement (mm)	Averageelongation(%)
PE-FA-A-0.25	7	2.13	0.36	5.63	0.38	3.59	0.55	3.59
	28	2.34	0.53	6.34	0.49	4.23	0.25	4.23
	60	2.71	0.25	6.75	0.21	7.07	0.72	7.07
PE-FA-A-0.27	7	1.92	0.30	4.96	0.67	4.03	0.60	4.03
	28	2.93	0.58	6.59	0.39	7.34	1.43	7.34
	60	2.49	0.51	5.83	1.12	4.55	2.45	4.55
PE-FA-A-0.29	7	2.32	0.38	4.26	0.38	3.34	0.67	3.34
	28	2.13	0.23	4.91	0.97	2.85	1.44	2.85
	60	2.33	0.51	5.37	0.39	3.97	0.64	3.97
PE-FA-A-0.31	7	1.97	0.21	4.45	0.63	3.37	0.60	3.37
	28	1.99	0.47	5.79	0.15	3.97	0.99	3.97
	60	1.93	0.19	5.56	0.68	4.88	2.15	4.88
PE-FA-B-0.27	7	2.21	0.48	4.81	0.51	4.01	1.56	4.01
	28	2.15	0.64	4.84	0.38	4.36	1.30	4.36
	60	2.14	0.15	5.90	0.86	4.55	2.46	4.55
PE-FA-C-0.27	7	2.56	0.30	5.23	0.62	4.48	1.43	4.48
	28	2.21	0.14	5.56	0.33	4.33	0.33	4.33
	60	2.18	0.16	6.29	0.61	5.86	1.61	5.86
PE-FA-D-0.27	7	2.06	0.26	4.53	0.35	3.46	0.79	3.46
	28	2.63	0.27	5.46	0.17	5.30	0.44	5.30
	60	1.97	0.46	4.93	0.22	3.04	0.10	3.04
PE-KF-A-0.25	7	2.32	0.50	6.36	0.60	6.16	1.85	6.16
	28	2.39	0.79	6.66	0.91	6.46	2.93	6.46
	60	2.82	0.51	6.08	0.81	6.00	1.94	6.00
PE-KF-A-0.27	7	2.00	0.12	6.02	0.08	6.01	0.04	6.01
	28	2.50	0.87	5.98	1.16	5.18	2.59	5.18
	60	2.16	0.40	5.54	0.96	4.40	2.34	4.40
PE-KF-A-0.29	7	2.20	0.59	4.67	0.18	4.10	1.78	4.10
	28	2.49	0.33	5.60	0.25	5.37	1.27	5.37
	60	2.10	0.22	6.03	0.79	6.15	2.55	6.15
PE-KF-A-0.31	7	2.20	0.31	4.75	0.32	4.04	0.50	4.04
	28	2.40	0.63	5.77	1.30	5.72	1.22	5.72
	60	2.59	0.65	5.31	0.57	3.47	0.78	3.47
PE-KF-B-0.27	7	2.27	0.70	6.00	0.18	7.30	0.98	7.30
	28	2.64	0.04	4.82	0.93	3.64	1.16	3.64
	60	2.53	0.51	5.24	0.24	4.70	1.26	4.70
PE-KF-C-0.27	7	2.62	0.10	4.93	0.09	4.84	0.54	4.84
	28	2.27	0.54	5.09	088	4.35	2.19	4.35
	70	2.33	0.17	5.39	0.80	4.94	1.75	4.94
PE-KF-D-0.27	7	2.39	0.63	4.47	0.69	5.07	2.71	5.07
	28	1.72	0.53	5.13	0.48	3.98	0.22	3.98
	60	1.90	0.26	5.86	0.15	6.00	0.91	6.00