Evaluation of the Physical Performance and Working Mechanism of Asphalt Containing a Surfactant Warm Mix Additive

Table 8

Surface energy and its component of asphalt sample.

Warm mix additives content (wt.%)	γ (mJ·m^−2)	γ^p (mJ·m^−2)	γ^d (mJ·m^−2)
0	17.849	0.996	16.853
0.2	18.104	0.874	17.230
0.4	18.493	0.711	17.782
0.8	18.521	0.661	17.860
1.0	18.571	0.625	17.946