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RISAnalysis of Representative Volume Element for Asphalt Concrete Laboratory Shear Testing
Publisher: American Society of Civil Engineers
Abstract: The primary purposes of this paper are to develop a method of quantifying the precision and bias in repeated simple shear test at constant height (RSST-CH) laboratory test results for different-sized specimens and to ...
Modeling Measured 3D Tire Contact Stresses in a Viscoelastic FE Pavement Model
Publisher: American Society of Civil Engineers
Abstract: Three‐dimensional (3D) contact stresses occurring between the road surface and the tire that were measured with the South African Vehicle Road Surface Pressure Transducer Array (VRSPTA) device under a moving wheel are ...
Evaluation of Laboratory, Construction, and Performance Variability by Bootstrapping and Monte Carlo Methods for Rutting Performance Prediction of Heavy Vehicle Simulator Test Sections
Publisher: American Society of Civil Engineers
Abstract: This paper demonstrates an innovative reliability analysis approach for prediction of asphalt rutting performance. In this approach, reliability was evaluated by considering the variability in laboratory test results, layer ...
Micromechanics of the Effects of Mixing Moisture on Foamed Asphalt Mix Properties
Publisher: American Society of Civil Engineers
Abstract: The mixing moisture content (MMC) is an important mix design variable in pavement full-depth reclamation (FDR) with foamed asphalt. It has been known for many decades that MMC in the granular material subjected to foamed ...
Three-Dimensional Discrete-Element Modeling of Aggregate Homogeneity Influence on Indirect Tensile Strength of Asphalt Mixtures
Publisher: American Society of Civil Engineers
Abstract: This study aims to investigate the influence of aggregate homogeneity on the indirect tensile (IDT) strength of asphalt mixtures using imaging and discrete-element method. An aggregate homogeneity index, which was used to ...
Investigation of the Curing Mechanism of Foamed Asphalt Mixes Based on Micromechanics Principles
Publisher: American Society of Civil Engineers
Abstract: This study investigated the curing mechanism of foamed asphalt mixes. Various laboratory strength and stiffness tests were performed on mixes with various asphalt and portland cement contents, and the specimens were subjected ...
Implementation of Automated Travel-Time Information and Public Reaction on Urban Highway Rehabilitation
Publisher: American Society of Civil Engineers
Abstract: Transportation agencies are becoming more aware of the seriousness of traffic delay caused by urban freeway rehabilitation and are experimenting with the use of intelligent transportation systems to control traffic demand ...
Integrated Design/Construction/Operations Analysis for Fast-Track Urban Freeway Reconstruction
Publisher: American Society of Civil Engineers
Abstract: The California Department of Transportation is rehabilitating or reconstructing deteriorated urban freeways using long-life (30+ years) strategies. These pavements were constructed between 1955 and 1970 with design lives ...
Fast-Track Urban Freeway Rehabilitation with 55-H Weekend Closures: I-710 Long Beach Case Study
Publisher: American Society of Civil Engineers
Abstract: As an asphalt concrete demonstration project implemented under the California Department of Transportation’s Long-Life Pavement Rehabilitation Strategies program, a 4.4 km stretch of Interstate-710 (I-710) in Long Beach ...