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RISAnalysis of Aggregate Gradation and Packing for Easy Estimation of Hot-Mix-Asphalt Voids in Mineral Aggregate
Publisher: American Society of Civil Engineers
Abstract: The voids in mineral aggregate (VMA) design parameter is one of the most important in the current Superpave mix design procedure that links hot-mix-asphalt (HMA) mix properties to field performance. The success of achieving ...
Fracture Healing Properties of Asphaltic Material under Controlled Damage
Publisher: American Society of Civil Engineers
Abstract: The self-healing properties of asphalt materials present a new means to achieve reliable, durable, and sustainable asphalt pavements through maximizing the effect of microdamage recovery. However, healing (healing of ...
Development and Validation of the Coupled Diffusion-Kinetics Aging Model to Analyze Field Aging Gradient in Asphalt Pavements
Publisher: ASCE
Abstract: Ultraviolet (UV) radiation and thermal oxidation are two leading causes of the aging of asphalt pavements. However, there is a lack of a suitable analytical model to consider both when the field aging gradient of asphalt ...
Characterization of Fatigue and Healing in Asphalt Binders
Publisher: American Society of Civil Engineers
Abstract: Asphalt mixtures have two healing mechanisms: adhesive healing at the asphalt-aggregate interface and cohesive healing within asphalt binders. This study investigates the effects of cohesive healing exclusively, without ...
Packing Theory and Volumetrics-Based Aggregate Gradation Design Method
Publisher: ASCE
Abstract: Current gradation design in Superpave mix design method is an empirical-based trial-and-error method, which is costly and time-consuming. Moreover, few mechanical properties have been evaluated during the mix design to ...
Virgin Binder Determination for High RAP Content Mixture Design
Publisher: ASCE
Abstract: Reclaimed asphalt pavement (RAP) has been widely implemented in asphalt pavement construction due to its cost benefits along with its reasonable engineering performance. With the trend of higher RAP applications, it is ...
Estimation of Vehicle Speed from Pavement Stress Responses Using Wireless Sensors
Publisher: ASCE
Abstract: Vehicle speed is a crucial input for mechanistic-based design and maintenance decision making of asphalt pavement. It can be measured using direct methods and indirect methods. Direct methods, such as video camera and ...
Evaluating Surfactant-Foamed Warm Reclaimed Asphalt and Its Blending Efficiency
Publisher: American Society of Civil Engineers
Abstract: A compound warm-mix asphalt (WMA) technology, surfactant-foamed asphalt (SFA), was proposed to promote warm-mix reclaimed asphalt pavement technology and provide engineering and environmental benefits through nonrenewable ...
Prediction Model for Field Rut Depth of Asphalt Pavement Based on Hamburg Wheel Tracking Test Properties
Publisher: American Society of Civil Engineers
Effects of Aggregate Properties and Concrete Rheology on Stability Robustness of Self-Consolidating Concrete
Publisher: American Society of Civil Engineers
Abstract: Compared with ordinary concrete, the segregation resistance of self-consolidating concrete (SCC) are more sensitive to small variations of mix proportions such as dosage of superplasticizer, and the size, volume, and ...