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RISNew Predictive Equations for Dynamic Modulus and Phase Angle Using a Nonlinear Least-Squares Regression Model
Publisher: American Society of Civil Engineers
Adaptive Three-Dimensional Aggregate Shape Fitting and Mesh Optimization for Finite-Element Modeling
Publisher: ASCE
Abstract: Numerical representations of aggregates that fit the shape of realistic grains reasonably with optimized mesh are preferred in numerical simulations of asphalt mixtures. This paper proposes a three-dimensional (3D) ...
Coupling Dynamic Model and Control of Chatter in Cold Rolling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dynamic model of 4-h mill, which couples with the rolling process model, the mill roll stand structure model, and the hydraulic servo system model, is built by analyzing the vibration ...
Periodic Contact Problems in Plane Elasticity: The Fracture Mechanics Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, the concept of the fracture mechanics is used to solve the: (i) frictionless purely normal contact and (ii) the similar material contact under the mutual actions of the normal and tangential load. Considering ...
Asphalt Binders Blended with a High Percentage of Biobinders: Aging Mechanism Using FTIR and Rheology
Publisher: American Society of Civil Engineers
Abstract: The objective of this study is to characterize the rheological properties and aging mechanism of asphalt binders blended with high percentages of biobinders using Fourier transform infrared spectroscopy (FTIR). The petroleum ...
3D Voxel-Based Approach to Quantify Aggregate Angularity and Surface Texture
Publisher: American Society of Civil Engineers
Abstract: Angularity and surface texture of aggregate particles are important morphological characteristics and have great influences on the performance of asphalt mix. Several approaches have been developed to characterize the ...
Three-Dimensional Finite-Element Modeling for Asphalt Concrete Using Visual Cross-Sectional Imaging and Indirect Element Meshing Based on Discrete-Element Models
Publisher: American Society of Civil Engineers
Abstract: Numerical simulation for asphalt concrete using the finite-element (FE) method has been widely explored during the last few decades. However, the FE model reconstructions for asphalt concrete samples are mainly limited to ...
Frictional Loss Studies and Experimental Performance of a New Synchronal Rotary Multiphase Pump
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new synchronal rotary multiphase pump (SRMP) is presented, which is geometrically simple and easy to manufacture. With the rotary cylinder, the frictional losses between the major components ...
Elastic Contact Between a Geometrically Anisotropic Bisinusoidal Surface and a Rigid Base
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the current study, a semianalytical model for contact between a homogeneous, isotropic, linear elastic halfspace with a geometrically anisotropic (wavelengths are different in the two principal directions) bisinusoidal ...
Some Closed-Form Results for Adhesive Rough Contacts Near Complete Contact on Loading and Unloading in the Johnson, Kendall, and Roberts Regime
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recently, generalizing the solution of the adhesiveless random rough contact proposed by Xu, Jackson, and Marghitu (XJM model), the first author has obtained a model for adhesive contact near full contact, under the Johnson, ...