comparison of stiffness modulus of asphalt paving

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Comparison of Stiffness Modulus of Asphalt Paving ...

In this study, two different types of asphalt mixes were produced according to the Australian Standards methods of sampling and testing asphalt to improve and modify pavement performance mixture. The control and BRA modified asphalt mixture were compared using the indirect tensile stiffness modulus test for different types of asphalt mixes ...

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(41037) (12467) Comparison between resilient modulus and ...

The modulus of asphalt concrete material is one of the major input parameters in mechanical-empirical pavement design and analysis. In Australia, current pavement design approaches rely on the resilient modulus of the asphalt material, and visco-elastic behaviour cannot be incorporated into this pavement analysis and design. However, in the USA ...

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The study of stiffness modulus values for AC-WC pavement

The high stiffness modulus asphalt concrete causes more stiff and resistant to bending. The stiffness modulus value of an asphalt mixture material can be obtained from the theoretical (indirect ...

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Fatigue character comparison between high modulus

May 10, 2019  High modulus asphalt concrete (HMAC) with high dynamic modulus and fatigue resistance has drawn attention from road workers since the end of the 20th century. When E is more than 14000 MPa at 15 °C and 10 Hz, then the asphalt concrete can be

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Asphalt concrete stiffness prediction based on composition ...

dependence of asphalt concrete stiffness on certain asphalt characteristics. Some steps have been taken in the problem of the determination of the binder glassy modulus in section 4.3.7. I would like to thank the thesis committee for their contribution to the realization of this project.

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Evaluation of different modulus input on the mechanical ...

A critical assessment of stiffness modulus and fatigue performance of plant produced asphalt concrete samples using various test methods[J] Road Materials and Pavement Design ( 2020 ) , pp. 1 - 13 , 10.1080/14680629.2020.1785927

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TECHNOLOGY COMPARISON Bituminous Pavements

Asphalt is a flexible paving material. It is primarily dependent on the integrity of the underlying materials. Sub base requirements can be costly due to the volume of crushed stone needed. Technisoil Industrial has created Technisoil G5, a composite paving system that boasts superior durability and strength values when compared to hot mix asphalt.

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Comparison of Calculated and Measured Thermal Stresses in ...

The Fracture of Bitumens and Asphalt Mixes by Temperature Induced Stresses, in Proc. of the Association of Asphalt Paving Technologists 35: 292–309. Hiltunen, D. R.; Roque, R. 1994. A Mechanistic-Based Prediction Model for Thermal Cracking in Asphaltic Concrete Pavements, in Proc. of Association of Asphalt Paving Technolo- gists 63: 81–117.

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Determining the Flexural Strength of Asphalt Mixtures ...

2.1 Asphalt Mixture Strength Testing Methods 2.1.1 Indirect Tensile (IDT) Test Known as the “Brazilian” test, the Indirect Tensile Test was developed in 1953 by Carneiro of Brazil (5) and Akazawa of Japan (6). The formulas for estimating the tensile strength and Poisson’s ratio from this test were developed by Hondros (7). During the

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Comparison of Stiffness Modulus of Asphalt Paving ...

In this study, two different types of asphalt mixes were produced according to the Australian Standards methods of sampling and testing asphalt to improve and modify pavement performance mixture. The control and BRA modified asphalt mixture were compared using the indirect tensile stiffness modulus test for different types of asphalt mixes ...

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(PDF) Comparative Study on Complex Modulus and Dynamic ...

Dec 06, 2021  However, in China, the dynamic modulus under the conditions of 15 °C, 10 Hz, 20 °C, 10 Hz and 45 °C, 10 Hz was taken as the stiffness modulus index of high-modulus asphalt mixture.

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Comparative Study on Complex Modulus and Dynamic Modulus ...

Dec 06, 2021  In the French high-modulus asphalt mixture design system, the complex modulus of the mixture under the conditions of 15 °C and 10 Hz is taken as the design index. However, in China, the dynamic modulus under the conditions of 15 °C, 10 Hz, 20 °C, 10 Hz and 45 °C, 10 Hz was taken as the stiffness modulus index of high-modulus asphalt mixture.

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Comparison of moduli for asphalt binders obtained from ...

T1 - Comparison of moduli for asphalt binders obtained from different test devices. AU - Marasteanu, M. O. AU - Anderson, D. A. PY - 2000/12/1. Y1 - 2000/12/1. N2 - Tests performed using Dynamic Shear Rheometer (DSR), Bending Beam Rheometer (BBR), and Direct Tension (DT) device can be used to generate various linear viscoelastic functions ...

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Asphalt concrete stiffness prediction based on composition ...

dependence of asphalt concrete stiffness on certain asphalt characteristics. Some steps have been taken in the problem of the determination of the binder glassy modulus in section 4.3.7. I would like to thank the thesis committee for their contribution to the realization of this project.

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Modelling of Asphalt Concrete Stiffness in the Linear ...

Stiffness modulus is a fundamental parameter used in the modelling of the viscoelastic behaviour of bituminous mixtures. On the basis of the master curve in the linear viscoelasticity range, the mechanical properties of asphalt concrete at different loading times and temperatures can be predicted. This paper discusses the construction of master curves under rheological mathematical models i.e ...

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Modelling of Asphalt Concrete Stiffness in the Linear ...

Nov 04, 2017  Measurement of the stiffness modulus of asphalt concrete under steady-state strain was performed using the simple axial compression-tensile test under controlled strain mode. The fixed strain level was set at 25με to guarantee that the stiffness modulus of the asphalt concrete would be tested in a linear viscoelasticity range.

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Characterizing the Complex Modulus of Asphalt Concrete ...

Characterizing the complex modulus of asphalt concrete using a scanning laser doppler vibrometer by navid hasheminejad, cedric vuye, alexandros margaritis, wim van den bergh, joris dirckx and steve vanlanduit. Among these moduli are young's modulus, resilient modulus, complex modulus, dynamic modulus, and modulus obtained from the shell nomograph.

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Micromechanical finite element framework for predicting ...

Sep 28, 2007  A micromechanical finite element (FE) framework was developed to predict the viscoelastic properties (complex modulus and creep stiffness) of the asphalt mixtures. The two-dimensional (2D) microstructure of an asphalt mixture was obtained from the scanned image. In the mixture microstructure, irregular aggregates and sand mastic were divided into different subdomains.

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Characterization of Various Plant-Produced Asphalt ...

VFA is voids in aggregate filled with asphalt, % (58 to 67%). is dynamic shear modulus of binder, psi (0.12 to 0.55 psi) or (0.83 to 3.79 kPa). The test results obtained from laboratory testing were also used for evaluation of the Hirsch model by comparison of the measured and the predicted values.

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[PDF] EFFECTS OF STYRENE-BUTADIENE-STYRENE ON STIFFNESS

The previous studies have explored the effects of Styrene-Butadiene-Styrene (SBS) as the most prevalent modifier for asphalt mixtures. The current study intends to compare stiffness modulus of control and SBS modified asphalt mixtures under different traffic loadings. To this end, resilient modulus tests were performed on both conventional and SBS modified specimens. Tests were conducted at 5 ...

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TECHNOLOGY COMPARISON Bituminous Pavements

Asphalt is a flexible paving material. It is primarily dependent on the integrity of the underlying materials. Sub base requirements can be costly due to the volume of crushed stone needed. Technisoil Industrial has created Technisoil G5, a composite paving system that boasts superior durability and strength values when compared to hot mix asphalt.

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Composition of asphalt concrete mixtures. Download Table

Download Table Composition of asphalt concrete mixtures. from publication: Analysis of IT-CY Stiffness Modulus of Foamed Bitumen Asphalt Concrete Compacted at 95°C

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Determining the Flexural Strength of Asphalt Mixtures ...

2.1 Asphalt Mixture Strength Testing Methods 2.1.1 Indirect Tensile (IDT) Test Known as the “Brazilian” test, the Indirect Tensile Test was developed in 1953 by Carneiro of Brazil (5) and Akazawa of Japan (6). The formulas for estimating the tensile strength and Poisson’s ratio from this test were developed by Hondros (7). During the

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(PDF) Comparative Study on Complex Modulus and Dynamic ...

Dec 06, 2021  However, in China, the dynamic modulus under the conditions of 15 °C, 10 Hz, 20 °C, 10 Hz and 45 °C, 10 Hz was taken as the stiffness modulus index of high-modulus asphalt mixture.

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COMPLEX MODULUS PREDICTION OF ASPHALT CONCRETE

Complex modulus is one of the key parameters in the Mechanistic-Empirical Pavement Design Guide (MEPDG). The purpose of this study is to implement an accurate and high-efficiency mechanical method to measure and calculate the complex modulus gradient of asphalt concrete cores in different field locations. Because field

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Modelling of Asphalt Concrete Stiffness in the Linear ...

Stiffness modulus is a fundamental parameter used in the modelling of the viscoelastic behaviour of bituminous mixtures. On the basis of the master curve in the linear viscoelasticity range, the mechanical properties of asphalt concrete at different loading times and temperatures can be predicted. This paper discusses the construction of master curves under rheological mathematical models i.e ...

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Comparing Resilient Modulus and Dynamic Modulus of Hot-Mix ...

Comparing Resilient Modulus and Dynamic Modulus of Hot-Mix Asphalt as Material Properties for Flexible Pavement Design Amara Loulizi, Gerardo W. Flintsch, Imad L. Al-Qadi, and David Mokarem Transportation Research Record 2006 1970 : 1 , 161-170

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Equivalent Stiffness Modulus of Polyester Fiber Reinforced ...

Equivalent Stiffness Modulus of Polyester Fiber Reinforced Asphalt Concrete. In this research, the equations established for fiber reinforced composites by Zhao and Tandon using the theory of micromechanics are used to discuss effective stiffness moduli of fiber reinforced asphalt concrete under low temperature.

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Modulus Properties of Plasticized Sulfur Mixtures

acterization include resilient modulus, creep stiffness, dynamic modulus, flexural modulus, and relaxation modulus. They also include a comparison with asphalt cement modular properties. The study concluded that plasticized sulfur mixtures exhibit sim­ ilar modulus properties and are stiffer than asphalt concrete. They

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Laboratory Performance Evaluation of High Modulus Asphalt ...

The objective of this study is to evaluate comprehensive performance of high modulus asphalt concrete (HMAC) and propose common values for establishing evaluation system. Three gradations with different modifiers were conducted to study the high and low temperature performance, shearing behavior, and water stability. The laboratory tests for HMAC included static and dynamic modulus tests ...

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Characterizing the Complex Modulus of Asphalt Concrete ...

Characterizing the complex modulus of asphalt concrete using a scanning laser doppler vibrometer by navid hasheminejad, cedric vuye, alexandros margaritis, wim van den bergh, joris dirckx and steve vanlanduit. Among these moduli are young's modulus, resilient modulus, complex modulus, dynamic modulus, and modulus obtained from the shell nomograph.

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Comparison of the two point bending and four point bending ...

Jun 22, 2014  Where, EME is the French abbreviation of enrobé module élevé which stands for high modulus asphalt concrete. The requirements specified are for complex modulus and for fatigue behavior obtained according to the European standards mentioned above. The minimum required complex modulus S min is defined at 15 °C, 10 Hz to be 11,000 MPa.

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Characterization of Various Plant-Produced Asphalt ...

VFA is voids in aggregate filled with asphalt, % (58 to 67%). is dynamic shear modulus of binder, psi (0.12 to 0.55 psi) or (0.83 to 3.79 kPa). The test results obtained from laboratory testing were also used for evaluation of the Hirsch model by comparison of the measured and the predicted values.

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Evaluation of Linear Deformation and Unloading Stiffness ...

Aug 08, 2021  Optimum stiffness and linear deformation in the unloading phase are fundamental properties of asphalt mixtures required for the durability of flexible pavements. In this research, blends of six different aggregate gradations were used for two base course (BC) and four wearing course (WC) asphalt mixtures. Stability and indirect tensile strength of resulting asphalt mixtures were evaluated

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Evaluation the Using of Local Aggregate in High Modulus ...

The Indirect Tensile Strength resistance of the BBME mixes were approximately equal with comparison to the conventional mixes for all aggregate types, and showed that the mixes contain optimum asphalt content have a resistance to indirect tensile strength more than that mixes contain (optimum asphalt content ± 0.5) for BBME and conventional ...

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Comparison of conventional, polymer, and rubber asphalt ...

The advanced material characterisation tests included dynamic (complex) modulus for stiffness evaluation and the uniaxial tension-compression for fatigue assessment. The data were used to compare the performance of the rubber-modified gap-graded mixture to the reference and polymer-modified gap mixtures using the viscoelastic continuum damage ...

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I: Comparison of Laboratory and Backcalculated Resilient ...

B: Asphalt Concrete Specimen Preparation 315–316; C: Diametral Test Procedure for Resilient Modulus of Asphalt Concrete 317–334; D: Repeated Load Test System Calibration 335–342; E: Test Procedure for Resilient Modulus of Unstabilized Aggregate Base and Subgrade Materials 343–386

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