Understanding Vibratory Asphalt Compaction by Numerical Simulation
Kai-Ming Xia,Tong-Yan Pan +1 more
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TLDR
In this article, a three dimensional finite element model for vibratory asphalt compaction is presented to predict spatial density, geometric nonlinearity capturing the configuration change is employed to simulate the compaction process.Citations
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Assessing depth of influence of intelligent compaction rollers by integrating laboratory testing and field measurements
TL;DR: In this article, a 3D finite element (FE) model was developed to simulate proof-mapping of the roller on compacted geomaterials, and the model was used to carry out an extensive parametric study that considered the nonlinear behavior of the geommaterials and the roller operating conditions.
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Numerical analysis of asphalt mixture and comparison with physical Marshall test
TL;DR: In this paper, a 3D network of one-dimensional elements connecting particle's centers and comprising mutual interaction of particles is presented, and the contribution of the film layer and the interface thickness for normal stiffness is described analytically and illustrated by simulation results.
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A thermodynamic-based large deformation viscoplastic constitutive relationship for asphalt concrete compaction
TL;DR: In this paper, a large deformation, time-dependent viscoplastic constitutive relationship was proposed to enhance the prediction of the compaction degree of asphalt concrete materials under laboratory and field conditions.
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Incorporating Calibrated Numerical Models in Estimating Moduli of Compacted Geomaterials from Integrated Intelligent Compaction Measurements and Laboratory Testing
TL;DR: In this paper, proof rolling after completion of compaction of earthwork using intelligent compaction (IC) technology can be used to assess the uniformity of the compacted geomaterials and to identify less stiff materials.
References
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Quantifying Laboratory Compaction Effects on the Internal Structure of Asphalt Concrete
TL;DR: In this article, the performance of asphalt concrete (AC) mixtures is influenced by its internal structure, which refers to the arrangement of aggregates and their associated air voids.
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Prediction of soil compaction under pneumatic tires a using fuzzy logic approach
TL;DR: In this article, a fuzzy expert system was used to predict the changes in penetration resistance, final pressure and bulk density of soil due to wheel traffic, and the verification of the proposed model is achieved via various numerical error criteria.
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Mechanics of air voids reduction of asphalt concrete using mixture theory
TL;DR: In this paper, the authors used the theory of mixtures to model asphalt concrete and solved hyperbolic conservation equations by an upwind finite volume scheme coupled with an operator splitting technique for a quasi-static type of loading.
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A thermomechanical framework for modeling the compaction of asphalt mixes
TL;DR: In this article, a nonlinear model for the compaction process within a thermodynamic framework that exploits the notion of a body possessing multiple natural configurations is developed to describe and study asphalt mix compaction.
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Simulation of soil compaction with vibratory rollers
Dieter Pietzsch,Wolfgang Poppy +1 more
TL;DR: In this paper, a closed-loop simulation model for the compaction effect of a vibratory roller and soil is presented, where the nonlinearities of roller motion and ground deformation are considered through a distinction between bounce and contact operation as well as between elastic and non-elastic ground deformations.