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3D Voxel-Based Approach to Quantify Aggregate Angularity and Surface Texture
Publisher: American Society of Civil Engineers
Abstract: Angularity and surface texture of aggregate particles are important morphological characteristics and have great influences on the performance of asphalt mix. Several approaches have been developed to characterize the ...
Relationship of Coefficient of Permeability, Porosity, and Air Voids in Fine-Graded HMA
Publisher: American Society of Civil Engineers
Abstract: The purpose of this study was to determine the relationship between the coefficient of permeability, porosity, and voids in total mixture (VTM) of fine-graded hot-mix asphalt (HMA). Two fine-graded HMA mixtures used in ...
Investigation of the Accuracy of Fracture Energy in Evaluating the Low-Temperature Cracking Performance of Asphalt Mixture
Publisher: ASCE
Abstract: To study the reason why the evaluation result of fracture energy is sometimes inconsistent with in situ cracking, the accuracy of fracture energy in evaluating low-temperature cracking resistance of asphalt mixture was ...
Damage Behavior of Porous Asphalt Concrete under Load–Pore Pressure Effects
Publisher: ASCE
Abstract: Due to the large void ratio of porous asphalt pavement, rainwater is more likely to infiltrate through surface voids and affect the internal structure, leading to pavement damage. The objective of this study was to investigate ...
Simulation of Real Pavement Texture Profiles Using the Discrete Element Method
Publisher: American Society of Civil Engineers
Abstract: The simulation of pavement texture in the wearing layer helps to evaluate the texture characteristics, which is crucial for enhancing skid resistance and ensuring road safety. To investigate the simulation methodology for ...
Assessments of Potential Service Characteristics of Ethanol and Ethanol-NaHCO3 Foamed WMA Mixtures
Publisher: American Society of Civil Engineers
Abstract: In the field, the workability and compactability of asphalt mixtures are essential to obtain the desired smoothness and sufficient density of a compacted pavement, especially for the asphalt mixtures prepared at low ...
Assessments of Potential Service Characteristics of Ethanol and Ethanol-NaHCO3 Foamed WMA Mixtures
Publisher: American Society of Civil Engineers
Abstract: In the field, the workability and compactability of asphalt mixtures are essential to obtain the desired smoothness and sufficient density of a compacted pavement, especially for the asphalt mixtures prepared at low ...
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 ...
Deep Learning–Based Fully Automated Pavement Crack Detection on 3D Asphalt Surfaces with an Improved CrackNet
Publisher: American Society of Civil Engineers
Abstract: CrackNet is the result of an 18-month collaboration within a 1-person team to develop a deep learning–based pavement crack detection software that demonstrated successes in terms of consistency for both precision and bias. ...
Effect of Coarse Aggregate Characteristics on Skid Resistance Deterioration of the Ultrathin Wearing Course
Publisher: ASCE
Abstract: An ultrathin wearing course (UTWC) is a preventive maintenance treatment method for a road surface which can improve the safety and comfort of driving by providing superior skid resistance. However, the skid resistance is ...
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