International Journal of Concrete Structures and Materials

Table 7 Comparison between the experimental and predicted tensile strength.

From: Prediction of the Tensile Strength of Normal and Steel Fiber Reinforced Concrete Exposed to High Temperatures

Vf [%]	0.25					0.5
T(°C)	\({f_t}_{_{\exp }}\) [MPa]	St.Dev [MPa]	C.O.V [%]	\({f_t}_{_{\text{calc} }}\) [MPa]	∆[%]	\({f_t}_{_{\exp }}\) [MPa]	St.Dev [MPa]	C.O.V [%]	\({f_t}_{_{\text{calc} }}\) [MPa]	∆[%]
28	3.88	0.19	3.97	3.40	− 12.38	3.83	0.09	2.42	3.78	− 1.35
100	2.81	0.27	2.81	2.55	− 9.07	3.12	0.28	9.09	3.13	0.35
200	2.75	0.18	2.75	2.14	− 21.92	2.82	0.20	7.00	2.99	6.11
300	2.46	0.15	2.46	2.36	− 3.99	3.27	0.35	10.68	3.17	− 3.06
350	2.80	0.20	2.80	2.60	− 7.09	3.48	0.20	5.66	3.20	− 7.84
400	2.73	0.05	2.73	2.89	6.13	2.92	0.33	11.20	3.09	5.78
450	2.71	0.26	2.71	2.50	− 7.71	3.50	0.21	5.94	3.34	− 4.43
500	2.25	0.12	2.25	2.12	− 5.62	2.55	0.28	11.12	2.85	11.50
650	1.49	0.13	1.49	1.28	− 14.17	1.79	0.67	37.66	1.70	− 5.14
800	0.92	0.04	0.92	0.90	− 2.95	0.95	0.05	5.04	1.05	10.79

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