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

Table 6

The fitting value of parameters a and b under different fiber hybridizations.

Impact load (s^−1)	Parameters a and b	A3	A4	A5	A6
32.3		0.0029	0.0024	0.0033	0.0025
		1.224	1.161	1.423	1.391
65.3		0.0021	0.0058	0.0034	0.0042
		1.225	1.301	1.193	1.138
80.5		0.0023	0.0049	0.0019	0.0018
		1.026	1.325	1.142	0.94
92.7		0.0028	0.0032	0.0024	0.0036
		1.282	1.238	0.879	1.172
106.3		0.0023	0.0037	0.0022	0.003
		1.024	1.036	0.909	1.079