Calibration on MEPDG Low Temperature Cracking Model and Recommendation on Asphalt Pavement Structures in Seasonal Frozen Region of China

Table 7

Surveyed data of thermal cracking on Changping Highway after 50 months since traffic opening.

Stake mark	Distance (km)	Crack number	Crack index	Crack space (m)
K202 + 000~K205 + 000	3	18	0.6	176.5
K273 + 000~K275 + 000	2	21	1.1	100.0
K214 + 000~K216 + 000	2	61.6	3.1	33.0
K259 + 000~K261 + 000	2	86.6	4.3	23.4
K283 + 000~K285 + 000	2	67.2	3.4	30.2
K208 + 000~K210 + 000	2	93.2	4.7	21.7
K237 + 000~K239 + 000	2	135.5	6.8	14.9
K239 + 700~K240 + 300	0.6	33.2	5.5	18.6
K226 + 700~K228 + 300	1.6	181.1	11.3	8.9
K248 + 000~K250 + 000	2	174.2	8.7	11.5
K251 + 000~K253 + 000	2	163.7	8.2	12.3