A Study of Impact Response and Its Numerical Study of Hybrid Polypropylene Fiber-Reinforced Concrete with Different Sizes

Table 7

Peak stress and peak strain for each specimen.

Specimen no.	Results	0.3 MPa		0.35 MPa		0.4 MPa		0.45 MPa		0.5 MPa
		σ	ε (10^−3)	σ	ε (10^−3)	σ	σ	ε (10^−3)	σ	ε (10^−3)	σ
A4	TR	68.13	4.824	70.25	9.476	72.69	9.076	74.38	6.411	77.6	6.905
	NCR	67.09	5.37	70.53	9.9	72.63	10.27	75.44	6.66	77.29	7.45
	Error	1.53	11.32	0.4	4.47	0.08	13.16	1.43	3.88	0.40	8.89
A5	TR	69.85	6.871	71.5	7.103	74.78	3.76	75.09	4.486	80.6	4.67
	NCR	71.36	6.55	71.74	7.31	74.22	4.26	74.70	4.99	82.09	5.29
	Error	2.16	4.67	0.3	2.91	0.75	13.3	0.52	11.23	1.85	13.28
A6	TR	65.43	3.607	69.28	7.475	71.11	8.522	71.49	5.498	80.6	4.67
	NCR	67.13	3.84	68.70	8.48	71.43	8.97	70.49	5.69	78.10	4.04
	Error	2.6	6.46	0.84	13.44	0.45	5.26	1.40	3.49	3.10	13.49

Note. TR: test results; NCR: numerical calculation results.