Predicting the Remaining Service Life of Civil Airport Runway considering Reliability and Damage Accumulation

Table 1

Statistical table of the annual takeoff and landing sorties of operating aircraft of Airport A.

Aircraft	Annual takeoff and landing sortie	Annual takeoff and landing ratio (%)	Notes
B737-800	38121	51.40	Main model
A320	17425	23.50	Main model
B737-700	4223	5.70	Main model
A319	3493	4.70	Secondary models, with ratio less than 5%
B737-300	2135	2.90
A321	2004	2.70
ERJ-190	1679	2.30
B747-400	1211	1.60
MA60	870	1.20
Others	3064	4.10