Effect of Nanoadditives on Bitumen Aging Resistance: A Critical Review

Figure 6

Effect of LS concentration on aging properties: (a) retained penetration, (b) increment in softening point, and (c) viscosity aging index at 135°C. The two LS are indicated as AC-N3 and AC-N4 (Figure 2 of [78]).

(a)

(b)

(c)