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RISNovel Method of Coating Titanium Dioxide on to Asphalt Mixture Based on the Breath Figure Process for Air-Purifying Purpose
Publisher: American Society of Civil Engineers
Abstract: Titanium dioxide (TiO2) is a photocatalyst that has the capability of accelerating the oxidation of nitrogen oxides (NOX) and other pollutants under ultraviolet (UV) radiation. A number of studies have been conducted on ...
Investigation of the Rheological Modification Mechanism of Warm-Mix Additives on Crumb-Rubber-Modified Asphalt
Publisher: American Society of Civil Engineers
Abstract: Studies in recent years have proved that warm-mix asphalt (WMA) additives can effectively improve the rheological properties of crumb-rubber-modified asphalt (CRMA) without significantly affecting its engineering properties. ...
Wave Propagation Approach for Elastic Transient Responses of Transversely Isotropic Asphalt Pavement under an Impact Load: A Semianalytical Solution
Publisher: ASCE
Abstract: The conventional transfer matrix method, adopted formerly in a semianalytical solution for layered elastic or viscoelastic asphalt pavement structures, has inherent deficiencies, such as ill-condition matrix, numerical ...
Aggregate Coated with Carbon Nanotube–Polymer Composites for Smart Asphalt Mixtures with Different Aggregate Gradations
Publisher: American Society of Civil Engineers
Abstract: The introduction of carbon-based nanomaterials (CNMs) such as graphite powder, carbon nanotubes (CNTs), and graphene directly into asphalt mixtures offers a theoretical feasibility for increasing their electrical and thermal ...
Investigating Fatigue Damage Accumulation of Asphalt Binders Considering Amplitude Sequence and Loading Interaction
Publisher: ASCE
Abstract: The obvious nonlinear characteristics of fatigue damage accumulation for asphalt binders can be induced by variable amplitude loading. However, the corresponding nonlinear characteristics are difficult to be characterized ...
Mechanical Property Characterization of Warm-Mix Asphalt Prepared with Chemical Additives
Publisher: American Society of Civil Engineers
Abstract: This study experimentally characterized the mechanical properties of warm-mix asphalt (WMA) prepared with two chemical additives: Evotherm 3G and Rediset LQ-1106, using laboratory-mixed and laboratory-compacted (LMLC) ...
Data Analysis Techniques for GPR Used for Assessing Railroad Ballast in High Radio-Frequency Environment
Publisher: American Society of Civil Engineers
Abstract: Railroad ballast supports heavy rail loading, prevents track deformation, and provides drainage of water from the track structure. However, over time, ballast is fouled by the breakdown of ballast aggregate and/or the ...
Nonlinear Viscoelasticity and Viscoplasticity Characteristics of Virgin and Modified Asphalt Binders
Publisher: ASCE
Abstract: Many engineering materials have coupled nonlinear viscoelasticity and viscoplasticity, which are affected by complex thermomechanical loadings. This study addressed the challenge of accurately separating the viscoplasticity ...
Application of Waterborne Epoxy Resin Modified Bitumen Emulsion as a Tack Coat Material
Publisher: American Society of Civil Engineers
Abstract: Interface bonding between different asphalt pavement layers is crucial in maintaining the integrity of the pavement structure. To improve the interface bonding, bitumen emulsion is commonly used as the tack coat material. ...