Long-Term Skid Resistance Evaluation of GAC-16 Based on Accelerated Pavement Testing

Table 8

BPN attenuation prediction model parameters.

Model	No	Exponential model (1)
Exponential model (1)				c	R^2	Fitted equation
	S1	10.33	−0.218	65.0	0.906	y = 10.33·e^−0.218·n + 65.0
	S2	20.24	−0.480	63.6	0.984	y = 20.24·e^−0.480·n + 63.6
	S3	9.69	−0.141	65.1	0.887	y = 9.69·e^−0.141·n + 65.1
	S4	17.06	−0.283	63.7	0.953	y = 17.06·e^−0.283·n + 63.7
Logarithmic model (2)	No			R^2	Fitted equation
	S1	70.97	3.486	0.887	y = 70.97 − 3.486·log (n)
	S2	73.61	6.355	0.882	y = 73.61 − 6.355·log (n)
	S3	71.45	3.642	0.955	y = 71.45 − 3.642·log (n)
	S4	73.87	6.324	0.933	y = 73.87 − 6.342·log (n)