Fatigue Properties of Layered Double Hydroxides Modified Asphalt and Its Mixture

Table 6

Regression coefficients of fatigue equation at 5°C.

Material types	Fatigue equation	Regression coefficient		𝑅^2
		𝐾	𝑛
Base-unaged	lg𝑁𝑓=5.0641−4.7775lg𝜎	1.16𝐸+05	4.7775	0.9909
Base-UV 8d	lg𝑁𝑓=4.4474−4.9993lg𝜎	2.80𝐸+04	4.9993	0.9764
3% LDHs-unaged	lg𝑁𝑓=5.3276−5.6591lg𝜎	2.13𝐸+05	5.6591	0.9999
3% LDHs-UV 8d	lg𝑁𝑓=4.7458−5.8369lg𝜎	5.57𝐸+04	5.8369	0.9984