Mechanical Properties Test and Strength Prediction on Basalt Fiber Reinforced Recycled Concrete

Table 5

Comparison of strength predictive and measured values of BFRRC.

Sample name	Compressive strength (MPa)			Splitting tensile strength (MPa)			Flexural strength (MPa)
	Measured values	Predictive value	Predictive error (%)	Measured values	Predictive value	Prediction error (%)	Measured values	Predictive value	Predictive error (%)
BFRRC40-0.1	40.24	40.65	1.02	3.79	3.85	1.58	5.61	5.77	2.85
BFRRC40-0.2	43.28	43.12	−0.37	4.92	5.01	1.83	6.84	6.99	2.19
BFRRC40-0.3	42.74	42.9	0.37	4.76	4.8	0.84	7.54	7.42	−1.59
BFRRC70-0.1	36.95	36.12	−2.25	3.44	3.39	−1.45	4.78	4.81	0.63
BFRRC70-0.2	41.24	41.63	0.95	3.55	3.64	2.54	5.46	5.53	1.28
BFRRC70-0.3	38.87	39.25	0.98	4.2	4.31	2.62	6.02	6.17	2.49
BFRRC100-0.1	38.43	37.97	−1.20	3.07	3.14	2.28	5.02	4.88	−2.79
BFRRC100-0.2	43.29	43.02	−0.62	3.43	3.34	−2.62	5.98	6.12	2.34
BFRRC100-0.3	41.17	41.69	1.26	3.85	3.92	1.82	7.34	7.29	-0.68