Aging effects on microstructures and micromechanical properties of vulcanized eucommia ulmoides gum modified bitumen

• Published in: Construction & building materials Vol. 346; p. 128432
• Main Authors: Wang, Haisen, Li, Ning, Xu, Tao
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 05.09.2022
• Subjects: Atomic force microscopy; Bituminous microstructure; Micromechanical properties; Roughness indexes; Thermo-oxidative aging; Vulcanized eucommia ulmoides gum; Atomic force microscopy; Roughness indexes; Micromechanical properties; Thermo-oxidative aging; Bituminous microstructure; Vulcanized eucommia ulmoides gum

•Aging effects on microstructures and micromechanics of bitumen are studied by AFM;•The incorporation of VEUG improves aging resistance and thermal stability of bitumen;•The VEUG addition and thermo-oxidative aging increase bituminous Young's modulus;•The VEUG and thermal aging decrease bitumin...