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RISResearch on the Dielectric Properties of Asphalt Concrete Based on Equivalent Circuit Modeling
Publisher: American Society of Civil Engineers
Abstract: The nondestructive testing of asphalt pavement using ground-penetrating radar (GPR) is based on studies on the dielectric properties of asphalt concrete. The equivalent circuit concept was used in this study, where different ...
Microstructure and Fatigue Performance of Polyurethane Grout Materials under Compression
Publisher: American Society of Civil Engineers
Composite Dielectric Model of Asphalt Mixtures Considering Mineral Aggregate Gradation
Publisher: American Society of Civil Engineers
Abstract: The composite dielectric model of asphalt mixtures is crucial to the use of the ground-penetrating radar (GPR) for detecting compaction, asphalt content, and other quality-related indexes of asphalt pavements. In this ...
Composite Dielectric Model of Asphalt Mixtures Considering Mineral Aggregate Gradation
Publisher: American Society of Civil Engineers
Abstract: The composite dielectric model of asphalt mixtures is crucial to the use of the ground-penetrating radar (GPR) for detecting compaction, asphalt content, and other quality-related indexes of asphalt pavements. In this ...
Influence of Temperature on the Dielectric Properties of Asphalt Mixtures
Publisher: ASCE
Abstract: Asphalt mixtures, composed of air, aggregate (limestone), and asphalt (matrix), are sensitive to temperature. In order to clarify the influence of temperature on the dielectric properties of asphalt mixtures and improve ...
Dielectric Model of Asphalt Mastics Considering Temperature Influence
Publisher: ASCE
Abstract: As an important stage in the three-stage dispersion system of asphalt mixtures, the structure and properties of asphalt mastics have a significant impact on the road performance and dielectric properties of asphalt mixtures. ...
Composite Dielectric Model for Cement Concrete Considering Water Saturation
Publisher: American Society of Civil Engineers
Abstract: Water has a significant impact on the dielectric constant of materials. As a multiphase composite material, the effect of water content must be taken into account when modeling the composite dielectric of cement concrete. ...
Exothermic Characteristics of the Polymerization Reaction of Weakly Exothermic Polymer Grouting Materials and Their Influence on the Hydrothermal Properties of Frozen Soil
Publisher: American Society of Civil Engineers
Abstract: Weakly exothermic polymer grouting materials are used to repair the thaw settlement of roads in permafrost regions. In this study, the heat release characteristics of these materials were tested, and a visual polymer ...
Study on Dielectric Properties of Asphalt Mixtures Considering the Effects of Relative Humidity
Publisher: American Society of Civil Engineers
Abstract: Ground penetrating radar (GPR) technology is used for nondestructive testing of roads. It relies on the processing and analysis of electromagnetic waves reflected due to the differences in dielectric properties encountered ...
Experimental Study of Polyurethane Grout Diffusion in a Water-Bearing Fracture
Publisher: ASCE
Abstract: Polyurethane grouting can be used for antiseepage and reinforcement in underground construction. Understanding the diffusion characteristics of polyurethane grout is critical for good grouting design. However, the influence ...