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analysis of hotmix asphalt (hma) linear viscoelastic and

analysis of hotmix asphalt (hma) linear viscoelastic and

Analysis of Hot-Mix Asphalt (HMA) Linear Viscoelastic and ...

Analysis of Hot-Mix Asphalt (HMA) Linear Viscoelastic and Bimodular Properties Using Uniaxial Compression and Indirect Tension (IDT) Tests . by . Samer W. Katicha . Abstract . The major Hot-Mix Asphalt (HMA) input for mechanistic-empirical (M-E) flexible pavement design is the dynamic complex modulus obtained from either the uniaxial or

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Analysis of Hot Mix Asphalt (HMA) Linear Viscoelastic and ...

Analysis of Hot Mix Asphalt (HMA) Linear Viscoelastic and Bimodular Properties Using Uniaxial Compression and Indirect Tension (IDT) Tests View/ Open Dissertation.pdf (3.055Mb)

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About this site

Kallas B.F., “Dynamic modulus of asphalt concrete in tension and tension compression”, Proceedings of the Association of Asphalt Paving Technologists, No. 39, 1970, p. 1-23. Katicha, S.W. (2007), “Analysis of hot-mix asphalt (HMA) linear viscoelastic and bimodular properties using uniaxial compression and indirect tension (IDT) tests”.

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Analytical Modelling of Visco-Elastic Behaviour of Hot-Mix ...

characterisation of material properties of typical South African hot-mix asphalt (HMA) mixes. As part of the process, laboratory testing was conducted at the CSIR pavement ... behaviour can be modelled using the linear viscoelastic theory. The stress-strain ... 5 to 8 can be obtained by using non-linear regression analysis process using the dynamic

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Nonlinearly viscoelastic analysis of asphalt mixes ...

Jun 01, 2007  This study presents the characterization of the nonlinearly viscoelastic behavior of hot mix asphalt (HMA) at different temperatures and strain levels using Schapery’s model. A recursive-iterative numerical algorithm is generated for the nonlinearly viscoelastic response and implemented in a displacement-based finite element (FE) code. Then, this model is employed to describe experimental ...

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Nonlinearly viscoelastic analysis of asphalt mixes ...

Aug 23, 2007  10%  This study presents the characterization of the nonlinearly viscoelastic behavior of hot mix asphalt (HMA) at different temperatures and strain levels using Schapery’s model. A recursive-iterative numerical algorithm is generated for the nonlinearly viscoelastic response and implemented in a displacement-based finite element (FE) code. Then, this model is

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About this site

Apr 26, 2012  This study presents characterization of the nonlinear viscoelastic behavior of hot mix asphalt (HMA) at different temperatures and strain levels using the Schapery nonlinear viscoelastic model. This model is employed to describe experimental measurements of two asphalt mixes under several combined temperatures and strain levels.

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Analysis of Nonlinear Viscoelastic Properties of Asphalt ...

This study presents characterization of the nonlinear viscoelastic behavior of hot mix asphalt (HMA) at different temperatures and strain levels using the Schapery nonlinear viscoelastic model. This model is employed to describe experimental measurements of two asphalt mixes under several combined temperatures and strain levels.

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Analytical Modelling of Visco-Elastic Behaviour of Hot-Mix ...

characterisation of material properties of typical South African hot-mix asphalt (HMA) mixes. As part of the process, laboratory testing was conducted at the CSIR pavement ... behaviour can be modelled using the linear viscoelastic theory. The stress-strain ... 5 to 8 can be obtained by using non-linear regression analysis process using the dynamic

get price

Nonlinearly viscoelastic analysis of asphalt mixes ...

This study presents the characterization of the nonlinearly viscoelastic behavior of hot mix asphalt (HMA) at different temperatures and strain levels using Schapery’s model. A recursive-iterative numerical algorithm is generated for the nonlinearly viscoelastic response and implemented in a displacement-based finite element (FE) code. Then, this model is employed to describe experimental ...

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Effect of Viscoelastic Material in Hot Mix Asphalt Rutting ...

Jun 09, 2021  The Hot Mix Asphalt (HMA) mix was designed according to the Asphalt Institute MS-2 Marshall mix design procedure . A 75-blow Marshall mix design criterion and a binder with a viscosity of AC-20 were used. Crushed river gravel was used in the HMA as the aggregate.

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A study on fatigue modeling of hot mix asphalt mixtures ...

Mar 01, 2016  A study on fatigue modeling of hot mix asphalt mixtures based on the viscoelastic continuum damage properties of asphalt binder ... this parameter is only valid at the range of linear viscoelastic behavior of the bitumen and by increasing the applied loads. It ... Development of a simplified fatigue test and analysis procedure using a ...

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Impact of Truck Loading on Design and Analysis of ...

UMAT) to analyze asphalt pavement subjected to heavy truck loads. Then, extensive creep-recovery tests are conducted at various stress levels and at two temperatures (30oC and 40oC) to obtain the stress- and temperature-dependent viscoelastic material properties of hot mix asphalt (HMA) mixtures.

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Nonlinearly viscoelastic analysis of asphalt mixes ...

This study presents the characterization of the nonlinearly viscoelastic behavior of hot mix asphalt (HMA) at different temperatures and strain levels using Schapery’s model.

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Stiffness Modulus and Marshall Parameters of Hot Mix ...

Linear viscoelastic, rather than thermo-viscoplastic laws have also been studied by Di Benedetto et al. [24,25] to model the mechanical response of bituminous mixtures. A fundamental constitutive approach proposed by Masad et al. [26] to model the permanent deformation of asphalt concretes at high temperatures was characterized by an anisotropic

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DEVELOPMENT AND NUMERICAL IMPLEMENTATION OF

Hot mix asphalt (HMA) is a composite material which consists of aggregates, air voids and asphalt materials. The HMA response is typically described to be viscoelastic-viscoplastic, and its response is a function of temperature, stress/strain rate, and stress/strain level. Many researches have shown that the viscoelastic response of

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Using X-Ray Computed Tomography to Quantify Damage of

Hot-mix asphalt (HMA) is a viscoelastic and thermoplastic material that is characterized by a certain level of rigidity of an elastic solid body, but at the same time, flows and dissipates energy by frictional losses as a viscous fluid (Elseifi et al. 2003).

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Discrete Element Method (DEM) Analyses for Hot-Mix Asphalt ...

Jun 09, 2011  In this study, an open source 3D DEM code implemented with the C++ programming language was modified and applied to simulate the compaction of hot-mix asphalt (HMA). A viscoelastic contact model was developed in the DEM code and was verified through comparison with well established analytical solutions.

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(PDF) The Truth and Myth of Fatigue Cracking Potential in ...

The Truth and Myth of Fatigue Cracking Potential in Hot-Mix Asphalt: Numerical Analysis and Validation. Imad L . Al-Qadi. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. Read Paper.

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Analysis of creep properties using a flattened indirect ...

concrete, as Hot Mix Asphalt (HMA) samples are often cylindrical in shape. When samples are taken ... Analysis of creep properties using a flattened indirect tension test for asphalt concrete ... 2004, suggest a linear viscoelastic limit for asphalt mixtures as low as 100-microstrains.

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Nonlinearly viscoelastic analysis of asphalt mixes ...

Jun 01, 2007  Nonlinearly viscoelastic analysis of asphalt mixes subjected to shear loading Nonlinearly viscoelastic analysis of asphalt mixes subjected to shear loading Huang, Chien-Wei; Masad, Eyad; Muliana, Anastasia; Bahia, Hussain 2007-06-01 00:00:00 This study presents the characterization of the nonlinearly viscoelastic behavior of hot mix asphalt (HMA) at different

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Analytical Modelling of Visco-Elastic Behaviour of Hot-Mix ...

characterisation of material properties of typical South African hot-mix asphalt (HMA) mixes. As part of the process, laboratory testing was conducted at the CSIR pavement ... behaviour can be modelled using the linear viscoelastic theory. The stress-strain ... 5 to 8 can be obtained by using non-linear regression analysis process using the dynamic

get price

Nonlinearly viscoelastic analysis of asphalt mixes ...

This study presents the characterization of the nonlinearly viscoelastic behavior of hot mix asphalt (HMA) at different temperatures and strain levels using Schapery’s model. A recursive-iterative numerical algorithm is generated for the nonlinearly viscoelastic response and implemented in a displacement-based finite element (FE) code. Then, this model is employed to describe experimental ...

get price

Analysis of creep properties using a flattened indirect ...

concrete, as Hot Mix Asphalt (HMA) samples are often cylindrical in shape. When samples are taken ... Analysis of creep properties using a flattened indirect tension test for asphalt concrete ... 2004, suggest a linear viscoelastic limit for asphalt mixtures as low as 100-microstrains.

get price

Using X-Ray Computed Tomography to Quantify Damage of

Hot-mix asphalt (HMA) is a viscoelastic and thermoplastic material that is characterized by a certain level of rigidity of an elastic solid body, but at the same time, flows and dissipates energy by frictional losses as a viscous fluid (Elseifi et al. 2003).

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Viscoelastic analysis of surface responses in flexible ...

The FE model incorporates measured 3-D tire pavement contact stresses, hot-mix asphalt (HMA) linear viscoelasticity, continuously moving load, and implicit dynamic analysis.

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Finite Element Modeling of Hot-Mix Asphalt Performance in ...

The theoretical investigation of Hot-Mix Asphalt (HMA) response in the dynamic modulus and the semi-circular bending (SCB) laboratory test procedures is necessary to understand the influence of various design parameters on the performance of the mix.

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Determining Dynamic Modulus of Hot Mix Asphalt (HMA)

of Hot Mix Asphalt (HMA) AASHTO Designation: T 342-11 (2015) 1. SCOPE 1.1. This test method covers procedures for preparing and testing hot mix asphalt (HMA) to determine the dynamic modulus and phase angle over a range of temperatures and loading frequencies. 1.2.

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"Impact of Truck Loading on Design and Analysis of ...

In this study, Schapery’s nonlinear viscoelastic constitutive model is implemented into the commercial finite element (FE) software ABAQUS via user defined subroutine (user material, or UMAT) to analyze asphalt pavement subjected to heavy truck loads. Then, extensive creep-recovery tests are conducted at various stress levels and at two temperatures (30oC and 40oC) to obtain the stress- and ...

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MODELING REFLECTIVE CRACKING DEVELOPMENT IN HOT

Hot-mix asphalt (HMA) overlay is regarded as an efficient method to rehabilitate moderately deteriorated pavements. Despite the application of an adequately designed overlay, when HMA overlays are built on jointed concrete pavement (JCP) or a cracked surface,

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Impact of Connection between Specimen and Load Plate on ...

HMA specimens are tested within the linear viscoelastic range. The results of the preceding analysis show that CCTs at 30°C, a mean axial stress of 0.25 N/mm² and a stress amplitude of 0.15 N/mm² keep the strain level below 10-4 and thus within the linear viscoelastic domain. A frequency sweep was carried out with frequencies

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CHARACTERIZATION OF ASPHALT CONCRETE USING

anisotropic damage viscoelastic-viscoplastic model that is capable of capturing hot mix asphalt (HMA) response and performance under a wide range of temperatures, loading rates, and stress states. The damage viscoelasticity model developed by Schapery (1969) is employed to present the recoverable response, and the viscoplasticity model developed at

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Determine Viscoelastic Mechanical Properties of Warm Mix ...

The mixtures analyzed in this study consisted of a P-401 mixture (used as baseline); a warm mix asphalt (WMA) with 35% reclaimed asphalt pavement (RAP) added to the aggregate portion; a SMA mixture; two HMA mixtures with two different modified binder grades (PG82- 22 and PG70-22); a dense-graded asphalt (DGA) mixture; and a BRIC mixture.

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Hot mix asphalt fatigue – Projet de fin d'etudes

2.6.4 Mechanical models used in linear viscoelastic 2.6.4.1 Presentation of the 2S2P1D model 2.7 Fatigue phenomenon of bituminous mixtures 2.7.1 Introduction 2.7.2 Hot mix asphalt fatigue 2.7.3 Laboratory fatigue test 2.7.4 Fatigue test analysis methods 2.7.4.1 Criterion based on the evolution of the stiffness modulus (classical method)

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Dynamic analysis of thin asphalt pavements by using cross ...

The FE model simulated the hot-mix asphalt (HMA) surface layer as a linear viscoelastic material and considered the cross-anisotropic stress dependent modulus for the unbound base layer. Implicit dynamic analysis was used to consider the effect of inertia on pavement structural responses.

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