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RISUse of Limited Experimental Data for the Prediction of Creep and Recovery of Asphalt Binders
Publisher: ASCE
Abstract: Prediction of creep and recovery of asphalt binders using limited experimental data can reduce instrumental stress and save time. A simple methodology, using generalized Burger’s model (GBM) and time temperature superposition ...
New Damage Parameter for Fatigue Analysis of Asphalt Binders in Linear Amplitude Sweep Test
Publisher: ASCE
Abstract: The fatigue resistance of two conventional and two polymer modified binders using a new definition of failure in the linear amplitude sweep (LAS) test was assessed in this study. Viscoelastic continuum damage (VECD) theory ...
Evaluating the Suitability of Nanoclay-Modified Asphalt Binders from 10°C to 70°C
Publisher: ASCE
Abstract: This study presents the results of laboratory experiments and analyses carried out to evaluate the rheological performance of nanoclay (NC) modified asphalt binders from 10°C to 70°C. A viscosity graded binder, VG-30, was ...
Investigating Microstructure and Wear Characteristics of Alloy Steels Used as Wear Plates in Ballast Cleaning Operation in Railways
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Ballast cleaning machines play a pivotal role in maintaining the stability and safety of railway tracks by transferring and redistributing ballast on the tracks. However, the wear plates used in these machines are subjected ...
Effective Technique to Estimate Cross Model Parameters
Publisher: American Society of Civil Engineers
Abstract: The Cross model has been successfully used for modeling the shear thinning behavior of asphalt binders. Usually minimization of least squares/absolute error is used for obtaining model parameters. The curve fitted using ...
Synchronization of Networked Mechanical Systems With Communication Delays and Human Input
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The problem of controlling a group of networked mechanical systems to synchronize and follow a common trajectory is studied in this paper. We first address the results for networked mechanical systems to achieve synchronization ...
Analysis of Different Test Methods for Quantifying Rutting Susceptibility of Asphalt Binders
Publisher: American Society of Civil Engineers
Abstract: Various rutting susceptibility parameters for unmodified and modified bitumen were studied at three different temperatures of 40, 50, and 60°C. Wheel rut testing was also conducted on three different bituminous mixes at ...
Feature Simplification Techniques for Freeform Surface Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Freeform surface models are conventionally used to model sheet metal components, such as automobile body parts. Finite element meshes generated automatically for such models have poor quality ...
Analysis of Different Test Methods for Quantifying Rutting Susceptibility of Asphalt Binders
Publisher: American Society of Civil Engineers
Abstract: Various rutting susceptibility parameters for unmodified and modified bitumen were studied at three different temperatures of 40, 50, and 60°C. Wheel rut testing was also conducted on three different bituminous mixes at ...
Influence of Lateral Constraints on Wave Propagation in Finite Granular Crystals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the presented work, wave dynamics of 2D finite granular crystals of polyurethane cylinders under low-velocity impact loading was investigated to gain better understanding of the influence of lateral constraints. The ...