International Journal of Concrete Structures and Materials

Table 10 Study of the factors and their interactions that affect the variability of the measured Indirect tensile strength values in the group two of experiments^a.

From: Brazilian Test of Concrete Specimens Subjected to Different Loading Geometries: Review and New Insights

	CUR			CUP			FUP
	Effect	Ratio of the effect	p	Effect	Ratio of the effect	p	Effect	Ratio of the effect	p
(f _c)	0.201	1.222	0.411	0.010	1.010	0.974	0.611	1.843	0.093
(t)	−0.102	0.903	0.624	0.342	1.407	0.387	−0.292	0.747	0.191
(as)	−0.301	0.740	0.298	0.475	1.608	0.295	−0.154	0.857	0.337
(α)	0.641	1.898	0.148	−0.165	0.848	0.615	−0.117	0.889	0.416
(f _c × t)	−0.221	0.802	0.383	0.137	1.146	0.668	−0.100	0.905	0.469
(f _c × as)	0.113	1.120	0.593	0.056	1.058	0.853	0.041	1.042	0.729
(f _c × α)	−0.103	0.903	0.622	−0.410	0.664	0.335	0.179	1.195	0.297
(t × as)	−0.116	0.891	0.585	0.062	1.064	0.837	−0.006	0.994	0.955
(t × α)	−0.219	0.803	0.386	−0.050	0.951	0.867	−0.335	0.715	0.166
(as × α)	−0.534	0.586	0.176	0.100	1.105	0.747	0.137	1.146	0.369
(f _c × t × as)	−0.155	0.857	0.495	−0.200	0.818	0.554	0.000	1.000	0.998
(f _c × t × α)	0.040	1.040	0.838	−0.103	0.902	0.739	0.006	1.006	0.961
(f _c × as × α)	0.219	1.245	0.374	0.047	1.048	0.869	0.012	1.012	0.913
(t × as × α)	−0.182	0.834	0.443	−0.129	0.879	0.683	0.117	1.124	0.417

^aIn this group, the sample diameter was held constant at the lowest level.
Bold letters mean values that are commented in text.

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