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RISInvestigation of the Morphological Characteristics and Chemical Properties of Hardened Layers in Polymer-Modified Asphalt during Aging
Publisher: American Society of Civil Engineers
Abstract: AbstractDuring the aging process, the surface layer of asphalt binders gradually hardens and
forms wrinkles; this hardened layer provides a certain degree of protection to the
underlying asphalt binder. This study aims to ...
Influence of Compaction in Low Temperature on Asphalt Mixture Performance
Publisher: American Society of Civil Engineers
Abstract: Based on in-situ survey, the scope of low temperature in construction was investigated. According to indoor experiments of modified AC-13 under different compaction temperatures, the influences of compaction in different ...
Laboratory and Field Evaluation of a Novel Cement Grout Asphalt Composite
Publisher: American Society of Civil Engineers
Abstract: The novel cement grout asphalt composite (CGAC) in this study is a new semiflexible composite consisting of open-graded hot mix asphalt (HMA) filled by injecting cement grout materials. The mechanical performance and ...
Dynamic Behavior and Performance Analysis of Asphalt Pavement in Areas with Extreme Seasonal Variation in Temperature
Publisher: American Society of Civil Engineers
Abstract: This paper describes a three-dimensional finite element (FE) model analysis to predict the viscoelastic pavement responses to vehicular loading in areas with extreme seasonal variation in temperature. Two different kinds ...
Bending Fatigue Test and Interlayer Pavement Models for Beams of Asphalt Mixture
Publisher: American Society of Civil Engineers
Abstract: The fatigue life of composite beam samples were measured by flexural fatigue test under different bonding oil contents, temperatures, and loads. The measurement was conducted to study the influence of interlayer contact ...
Study of Strength Forming Mechanism and Influencing Factors of Half-Warm Mix Asphalt
Publisher: American Society of Civil Engineers
Abstract: In order to study the strength forming mechanism and influencing factors of half-warm mix asphalt (HWMA), the stability of Marshall samples is tested under different test conditions such as gradations, asphalt quantities, ...
Rheological Properties and Modification Mechanism of OLDPE–SBS High-Viscosity Modified Asphalt
Publisher: American Society of Civil Engineers
Abstract: AbstractTo enhance the compatibility of waste plastic [low-density polyethylene (LDPE)] with
asphalt, waste cooking oil was used to pretreat the LDPE, resulting in oil-based LDPE
(OLDPE). This OLDPE was then combined with ...
Investigation of the Relationship between the Mechanical Performance and Contact Structure Characteristics for Asphalt Concrete Using a Digital Image Processing Method and a Machine-Learning Algorithm
Publisher: American Society of Civil Engineers
Abstract: AbstractThe internal structure of asphalt concrete (AC) plays a crucial role in determining
its mechanical performance. However, current studies lack accurate assessments of
AC’s mechanical performance based on its internal ...
An Efficient and Robust Model for Precise Surface Crack Segmentation on Concrete Bridge Structures
Publisher: American Society of Civil Engineers
Abstract: AbstractThis paper proposes an efficient and robust model named bridge crack segmentation
network (BCS-Net), tailored for high-precision segmentation of surface cracks on concrete
bridges. BCS-Net adopts an encoder-decoder ...