Moisture Susceptibility of Warm Mix Asphalt (WMA) with an Organic Wax Additive Based on X-Ray Computed Tomography (CT) Technology

Table 11

The increase ratio of air voids of RH-WMA samples through freeze-thaw cycles.

Moisture content (%)	Before freeze-thaw cycles (%)		After freeze-thaw cycles (%)		Increase ratio of air voids (%)		Relative error (%)
	MAV	CTAV	MAV	CTAV	MAV	CTAV
0	4.01	2.93	4.53	3.33	12.63	13.94	9.40
1	3.16	2.35	3.64	2.75	15.22	16.92	10.05
2	3.59	2.57	4.22	3.03	17.98	18.15	0.94
3	3.70	2.31	4.495	2.88	21.63	24.92	13.20
Deviation	—	—	—	—	—	—	0.0524