Effects of rheology and adhesiveness of asphalt binders to different substrates on the resistance to moisture conditioning

Evaluation of moisture‐induced damage on the fatigue life of asphalt mixtures using failure tests of asphalt binders, interfaces, and mixtures

“…LAS results will be compared to asphalt mixtures only submitted to shortterm aging. Besides regular LAS testing, both binders are also tested after a moisture conditioning period of 24 h submerged at 40 C as used by Lucas Júnior et al 14 LAS results as the damage characteristic curve with the C1, C2 parameters, and the crack length (a f ) are determined until the failure cycle and fitted to the S-VECD model. 35 The last parameter usually is obtained at the maximum pseudo strain energy release (PSE) and maximum torque observed at the DSR data.…”

“…However, the approximation of R POTS results from NB and NB + D are quite strange compared to the results of other authors. 14 Even though moisture effects at the binder scale have history dependence, 17 the low reduction after moisture conditioning is probably due to the thermal equilibrium for 4 h which might have altered the aggregate-binder state.…”

“…Some authors address moisture damage to the aggregate-binder interface properties [11][12][13][14][15] but others suggest that its occurrence is at the isolated binder. 16,17 Either way, asphaltic materials are susceptible to moisture damage and that such distress may be affected by constituent materials and interfacial properties.…”

“…Some authors focus on asphalt mixture behavior as it relates to Indirect Tensile Strength, [20][21][22][23] Dynamic Modulus, 24,25 Fatigue 8,24,26,27 ; while others use different techniques to comprehend the interface itself, 11,28,29 or to study binders 30 and aggregates individually, or even still as interfaces in an attempt to assess the overall mixture's behavior. 13,14,22 The objective of this work is to evaluate the moistureinduced damage of asphaltic materials at different material scales (asphalt binder, aggregate-binder interface, and asphalt mixture). For this purpose, failure tests in conditioned and unconditioned states with respect to moisture are used.…”

Experimental Study on the Physicochemical Properties of Asphalt Modified by Different Anti-Stripping Agents and Their Moisture Susceptibility with Aggregates

“…New liquid ASAs have been widely used in pavement engineering in recent years because of their small dosage, low cost, ease of construction, and high-temperature stability. These materials are organic polymer compounds, which are mainly divided into amine surfactants and non-amine surfactants [ 11 ], and the most commonly used are amides, fatty amines, phosphate esters, and phosphorus hydroxyl ASAs. There are polar and nonpolar groups in ASAs, which have a strong affinity for aggregate surfaces and asphalt, respectively.…”