a numerical study on mechanical performance of asphalt

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A numerical study on mechanical performance of asphalt ...

Sep 01, 2012  Although some numerical meso-models have several advantages, they are still in initial phases and vast studies should be accompanied to best exemplify the performance of different types of asphalt mixtures. To simulate the mechanical behavior of porous asphalt mixtures, Mo et al. conducted a notable study. They developed a meso-scale FE model ...

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A numerical study on mechanical performance of asphalt ...

A numerical study on mechanical performance of asphalt mixture using a meso-scale finite element model. ... Such a model considers the main components of the asphalt mixture consisting of aggregate particles, mastic, interfacial zone and air voids. Moreover, different moving wheel loads with different passing velocities are considered and their ...

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A numerical study on mechanical performance of asphalt ...

Numerical simulation is a powerful tool that could establish the link between the meso-structure properties of asphaltaggregate interface and the macroscopic mechanical performance of asphalt ...

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A numerical study on mechanical performance of asphalt ...

Home Browse by Title Periodicals Finite Elements in Analysis and Design Vol. 57 A numerical study on mechanical performance of asphalt mixture using a meso-scale finite element model

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Numerical Simulation of Asphalt Compaction and Asphalt ...

Jul 03, 2021  Asphalt mixture is actually a multi-phase heterogeneous material that is composed of air voids, aggregate and asphalt binder. In this study, asphalt specimens were drilled from a

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Numerical Simulation for Mechanical Behavior of Asphalt ...

Mar 21, 2018  The performance of asphalt pavement is determined by the combination of its material properties, road structure, and loading configurations. A DEM numerical simulation study was conducted to determine stress distribution and deformation behavior of asphalt pavement with graded aggregate base under standard traffic loading. Stress contour and displacement contour were

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(PDF) A numerical study on the effect of aggregate ...

A Numerical Study on the Effect of Aggregat e Gradation on Mechanical Response of Asphalt Mix Vol. 16, No. 4 / May 2012 − 595 − load transfer from one particle to another through inter-particle

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A numerical study on the effect of aggregate gradation on ...

Apr 29, 2012  Experimental and numerical study on mechanical behaviour of asphalt mix, Masters Thesis, Department of Civil Engineering, Indian Institute of Technology, Kanpur, India. Google Scholar Mitra, K., Das, A., and Basu, S. (2012). “Mechanical behaviour of asphlat mix: An experimental and numerical study.”

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Numerical Simulation for Mechanical Behavior of Asphalt ...

Jan 01, 2018  And particle flow code (PFC) has been successfully employed to study the mechanical behavior of granular materials, especially for railway ballast [28-30]. The numerical software PFC2D is used to study the graded aggregate, comprising particles, and influence on pavement deformation.

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Numerical simulation of mechanical behaviour of asphalt ...

Mitra et al. [73] performed a numerical study on mechanical behavior of asphalt mix, in which small size stone aggregat es, asphalt binder, and air voids, together were assumed as an effective ...

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Mechanical behavior of asphalt mix: An experimental and ...

Mitra et al. [73] performed a numerical study on mechanical behavior of asphalt mix, in which small size stone aggregat es, asphalt binder, and air voids, together were assumed as an effective ...

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Study of the Mechanical Performance of the Improved Multi ...

This study attempts to propose innovative multi-layer cement-based composites to have high impact resistance which could be used for runway. In this paper, the performances of two innovative multi-layer composite runway pavements using asphalt concrete-high strength concrete-cement-treated aggregate and asphalt concrete-high strength concrete-cement mortar in surface-base-subbase layer were ...

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Numerical study and in-situ measurement of temperature ...

Feb 10, 2020  The numerical model provides a new approach to study the temperature features of asphalt layer under various climate conditions as well as the effects of different meteorological parameters. Air temperature, solar radiation, and wind speed are the three main factors affecting heat transfer between the slab structure and the environment.

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Review of asphalt mixture ravelling mechanisms, causes and ...

Sep 03, 2021  This paper presents a study of the healing performance of a porous asphalt (PA) mixture heated by induction. ... in terms of the mechanical performance of the mixture. ... and numerical study on ...

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Numerical study on the mechanical behavior of ultrahigh ...

Dec 22, 2020  This paper deals with numerical analysis on the mechanical behavior of ultrahigh performance concrete (UHPC) under uniaxial compression. For the modeling of the mechanical behavior of UHPC, the mesh-free discrete element method was applied.

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Effects by property homogeneity of aggregate skeleton on ...

May 20, 2018  The coarse aggregates, asphalt mortar and air voids were modeled separately in the DEM model for asphalt concrete. The generation of asphalt concrete in the DEM is elaborated in Fig. 3.As shown in Fig. 3(a), the numerical simulation used the same sample size as that used for laboratory test, with 150 mm in height and 100 mm in diameter. The model was generated and fulfilled with

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The Study of the Improvement of Mechanical Performance of ...

To improve the performances of a bitumen, the mixing time of bitumen-EVA is studied using two contents of EVA (3 and 5%). For the study analytical and chemical tests are carried out such as penetrability, softening point, ductility, FTIR, DSC, MEB and the storage stability. The aim of this work is to change and optimize the formula of the sample of EVA, which are not conform with the Algerian ...

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Numerical Study on Influence of Piezoelectric Energy ...

Mar 03, 2019  Several critical points within the pavement structures were selected and their mechanical responses induced by the passing tire were compared and discussed. A parametric study analyzed the pavement responses to different traffic speeds, tire loads, and bonding conditions between the PEHs and asphalt

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Numerical Simulation of Indirect Tensile Test Based on the ...

Indirect tensile (IDT) test is widely adopted to evaluate the anticracking performance of hot-mixture asphalt (HMA) at intermediate and low temperatures. This paper presented an approach to simulate the IDT test based on the microstructure of mixture. The X-ray computed tomography and digital image processing technologies were employed to characterize the microstructure information of the HMA ...

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The Study of the Improvement of Mechanical Performance of ...

To improve the performances of a bitumen, the mixing time of bitumen-EVA is studied using two contents of EVA (3 and 5%). For the study analytical and chemical tests are carried out such as penetrability, softening point, ductility, FTIR, DSC, MEB and the storage stability. The aim of this work is to change and optimize the formula of the sample of EVA, which are not conform with the Algerian ...

Get price

Study of the Mechanical Performance of the Improved Multi ...

This study attempts to propose innovative multi-layer cement-based composites to have high impact resistance which could be used for runway. In this paper, the performances of two innovative multi-layer composite runway pavements using asphalt concrete-high strength concrete-cement-treated aggregate and asphalt concrete-high strength concrete-cement mortar in surface-base-subbase layer were ...

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Finite element method for solving asphalt mixture problem ...

Jun 26, 2019  The numerical simulation and performance study of asphalt mixture bending test is carried out. At the same time, according to the above method, the asphalt mixture is subjected to freeze-thaw cycles and ultraviolet aging, and the mechanical parameters are obtained by a uniaxial compression test.

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Experimental Measurement and Numerical Simulation of

Jun 06, 2010  The results show that the proposed experimental method is an economic and efficient tool to quantify water vapor diffusion coefficients. Determining these material properties is fundamental to develop numerical models to study the deleterious effects of moisture vapor on the mechanical performance of asphalt mixtures.

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‪Sayyed Mahdi Abtahi‬ - ‪Google Scholar‬

A numerical study on mechanical performance of asphalt mixture using a meso-scale finite element model V Ziaei-Rad, N Nouri, S Ziaei-Rad, M Abtahi Finite elements in analysis and design 57, 81-91 ,

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Review of asphalt mixture ravelling mechanisms, causes and ...

Sep 03, 2021  This paper presents a study of the healing performance of a porous asphalt (PA) mixture heated by induction. ... in terms of the mechanical performance of the mixture. ... and numerical study on ...

Get price

Numerical Study on Influence of Piezoelectric Energy ...

Mar 03, 2019  Several critical points within the pavement structures were selected and their mechanical responses induced by the passing tire were compared and discussed. A parametric study analyzed the pavement responses to different traffic speeds, tire loads, and bonding conditions between the PEHs and asphalt

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Mechanical Behavior Investigation of Reclaimed Asphalt ...

In this paper, the reclaimed asphalt mixture came from the reconstruction and expansion of the National Dana Highway. The pavement structure was built in 2005, and consisted of 10 cm-thick asphalt concrete pavement. Due to the aging effect, the mechanical performance of the existing asphalt pavement cannot meet the serviceability.

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Numerical evaluation of pavement design parameters for the ...

Nov 20, 2015  In this study, the effects of common pavement design parameters on asphalt pavement performance have been investigated through laboratory-produced asphalt mixture testing, numerical simulations, and field verification.

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Numerical Simulation of Indirect Tensile Test Based on the ...

Indirect tensile (IDT) test is widely adopted to evaluate the anticracking performance of hot-mixture asphalt (HMA) at intermediate and low temperatures. This paper presented an approach to simulate the IDT test based on the microstructure of mixture. The X-ray computed tomography and digital image processing technologies were employed to characterize the microstructure information of the HMA ...

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Study on Mesoscopic Mechanics of Recycled Asphalt Mixture ...

Dec 18, 2020  Reclaimed asphalt pavement (RAP) mainly contains asphalt binder and aggregates, and the RAP materials used in paving roads could save virgin materials. This paper studied the following: asphalt mixture with different RAP material contents was prepared; then the indirect tensile test was carried out, and the mesoscopic model of the recycled asphalt mixture was reconstructed digitally.

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Research into Applications of Acrylic Fibres in Porous ...

A laboratory and numerical study were conducted to gain insight into the performance of a short fibre containing Porous Asphalt (PA) mixture. Laboratory works include microscopy analysis and mechanical tests using Dynamic Shear Rheometer (DSR). From microscopic analysis it was observed that the fibre serve as a good drainage inhibitor.

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Materials Free Full-Text Mechanical Performance of a ...

The mechanical performance of China Railway Track System type II (CRTS II) ballastless track suitable for High-Speed Railway (HSR) bridges is investigated in this project by testing a one-quarter-scaled three-span specimen under thermal loading. Stress analysis was performed both experimentally and numerically, via finite-element modeling in the latter case.

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Study on Creep Behavior Of Asphalt Mixture Based on ...

Comparison of results of laboratory and numerical tests shows that the 3D-PFC-viscoelastic model can reflect the creep mechanical behaviour of asphalt mixture accurately. It provides the theoretical basis and auxiliary means for analysing the mechanical properties of asphalt mixtures using PFC software.

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