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RISInvestigations on Strength Characteristics of High-Modulus Asphalt Mixtures under Different Conditions
Publisher: ASCE
Abstract: Due to viscoelastic characteristics, the strength values of the high-modulus asphalt mixtures (HMAM) obtained under different conditions (temperatures, loading rates, and stress states) are quite different, and the serving ...
Correlation of DSR Results and FTIR’s Carbonyl and Sulfoxide Indexes: Effect of Aging Temperature on Asphalt Rheology
Publisher: American Society of Civil Engineers
Abstract: This paper investigates the effects of different aging temperatures on the performance of asphalt binders through a comprehensive experimental procedure. Two kinds of asphalt binders with the same 70/100 penetration grade ...
Polyphosphoric Acid Modified Soybean Oil Bioasphalt: Rheological Properties and Modification Mechanism
Publisher: ASCE
Abstract: A large amount of soybean oil (20%–30% mass ratio of neat asphalt) was selected to partially replace petroleum asphalt. The high-temperature behavior of soybean oil bioasphalt was enhanced by polyphosphoric acid (PPA). ...