アスファルト系舗装(1)

[V-478] The Effects of Oxygen Concentration on The Aging Rate

〇Chenhui Yang¹, Shoichi Akiba², Yosuke Kano², Kengo Akatsu², Hiroyuki Nitta³, Yoko Kawashima³ (1.Graduate School of Industrial Technology,Nihon University, 2.College of Industrial Technology, Nihon University, 3.Public Works Research Institute)

Keywords:Asphalt, Oxidative Degradation, Oxygen Concentration, Penetration, Composition Analysis, Carbonyl Index

The aging degradation of asphalt pavement in service was not only from the surface but also from the base due to heat and oxygen. Therefore, This study evaluated the influence of oxygen concentration on asphalt aging.