fatigue behavior of epoxy asphalt concrete and its

Fatigue behavior of epoxy asphalt concrete and its ...

Aug 01, 2017  Epoxy asphalt concrete (EAC) is made of epoxy asphalt binder and aggregate. Epoxy asphalt is a mix of epoxy resin and petroleum asphalt. Since its application on the Nanjing second Yangtze River Bridge in the year of 2000, EAC has been widely used in pavement construction on long-span steel bridges , , , .

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Fatigue behavior of epoxy asphalt concrete and its ...

The results showed that the fatigue lives of EAC can be higher than conventional asphalt concrete by one or two orders in magnitude, indicating an excellent fatigue performance. Both the strain level and testing temperature have a significant influence on the fatigue behavior of the EAC, similar to conventional asphalt concrete.

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Fatigue Behavior of Epoxy Asphalt Concrete and its ...

Fatigue Behavior of Epoxy Asphalt Concrete and its Moisture Susceptibility from Flexural Stiffness and Phase Angle. Epoxy asphalt concrete (EAC) has been widely used in large span steel box girder bridges recently. The fatigue performance of EAC is critical in the pavement design on steel box girder.

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Fatigue endurance limit of epoxy asphalt concrete pavement ...

Jul 01, 2018  1. Introduction. Epoxy asphalt concrete is widely applied in the pavement of long-span steel bridge deck because it has good performances in high temperature, fatigue and corrosion resistance .Most of well-known bridges such as the American Golden Gate Bridge, Australian West Gate Bridge, Chinese Hu Men Bridge, Hang Zhou Bay Bridge etc. use the epoxy asphalt concrete as

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Fatigue endurance limit of epoxy asphalt concrete pavement ...

Jul 01, 2018  1. Introduction. Epoxy asphalt concrete is widely applied in the pavement of long-span steel bridge deck because it has good performances in high temperature, fatigue and corrosion resistance .Most of well-known bridges such as the American Golden Gate Bridge, Australian West Gate Bridge, Chinese Hu Men Bridge, Hang Zhou Bay Bridge etc. use the epoxy asphalt concrete as

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Rheological and Fatigue Properties of Epoxy Asphalt Binder

epoxy asphalt binder. Fatigue performance of epoxy asphalt binder was researched using stress-controls, and testing temperature and loading were also considered in this study. The results indicated that the epoxy asphalt binder demonstrates a better ability to maintain an elastic / viscous capability.

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Thermal fatigue behavior of asphalt concrete: A laboratory ...

Apr 01, 2019  Thermal stress developed in asphalt concrete is attributed to the volume change characteristics of asphalt mixture, which is defined by its thermal contraction/expansion behavior . Temperature differentials produce thermal stresses because of the restraint due to friction between asphalt concrete layer and its underlying layer [2] .

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Biobased Epoxy Asphalt Binder (BEAB) for Pavement

Mar 10, 2018  Epoxy asphalt does not soften as much as conventional asphalt as temperature increases, and has good resistance to aging and chemical attack (Lu. 2000; Gaul et al. 1993). The fatigue life of epoxy asphalt concrete can be three orders of magnitude greater than a Superpave polymer modified asphalt concrete, as illustrated in Figure 1. Figure 1.

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(PDF) 📄 Experimental Evaluation of the Influence of ...

[Show full abstract] the fatigue properties of epoxy asphalt concrete, and the residual stiffness modulus ratio is employed to reflect the fatigue properties. Moreover, the relationship between ...

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Rheological behaviors of epoxy asphalt binder in ...

Feb 01, 2015  However, G′ of epoxy asphalt was much bigger than its G″, which means epoxy asphalt is still elasticity at low temperatures (also can be seen from Figs. 6, 7 and 8). That is, epoxy asphalt binder has excellent temperature stability; and it can be used in the extremely environments. 3.1.4. Fatigue

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Performance of hot mix epoxy asphalt binder and its concrete

Oct 11, 2014  In addition, the effects of epoxy resin contents on the fatigue life and creep properties of epoxy asphalt concrete were also investigated . Kang et al. [ 13 ] explored the glass transition and mechanical properties of rubber-like thermosetting EA with maleated petroleum asphalt, adipic acid, and methylhexahydrophthalic anhydride as curing agents.

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Fatigue behavior of microcapsule-induced self-healing ...

Jul 01, 2018  The specimens were rest at 30 °C for 1 day or 3 days to study the effect of resting time for self-healing on the fatigue behavior of asphalt concrete fatigue behavior. What is more, beam fatigue testing is performed at intermediate temperatures, usually around 20 °C, because fatigue cracking is thought to be a primary distress for hot mix ...

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Nonlinear Viscoelastic Behavior of Asphalt Concrete and ...

Jan 01, 2013  Nonlinear Viscoelastic Behavior of Asphalt Concrete and Its Implication for Fatigue Modeling B. Shane Underwood and Y. Richard Kim Transportation Research Record 2013 2373 : 1

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[PDF] Comparison between Binder and Hot Mix Asphalt ...

Fatigue behavior of epoxy asphalt concrete and its moisture susceptibility from flexural stiffness and phase angle Sang Luo , Z. Qian , Xu Yang , Q. Lu Materials Science

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Materials Free Full-Text Experimental Evaluation of ...

The flexural cracking resistance of an asphalt concrete mixture used in a steel bridge deck pavement needs to be higher than that of one used in ordinary pavement. In this study, mechanical experimental tests were used to evaluate the influence of the aggregate strength on the flexural cracking behavior of epoxy asphalt concrete (EAC). The aggregate fracture area of beam cross sections was ...

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Experimental Evaluation of the Influence of Aggregate ...

The flexural cracking resistance of an asphalt concrete mixture used in a steel bridge deck pavement needs to be higher than that of one used in ordinary pavement. In this study, mechanical experimental tests were used to evaluate the influence of the aggregate strength on the flexural cracking behavior of epoxy asphalt concrete (EAC).

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Rheological and Fatigue Properties of Epoxy Asphalt Binder

epoxy asphalt binder. Fatigue performance of epoxy asphalt binder was researched using stress-controls, and testing temperature and loading were also considered in this study. The results indicated that the epoxy asphalt binder demonstrates a better ability to maintain an elastic / viscous capability.

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Fatigue damage analysis of epoxy asphalt pavement for ...

Fatigue crack damage in the epoxy asphalt concrete pavement of long-span steel bridge deck is still one of the most severe problems even though the fatigue endurance performance has been studied ...

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Epoxy asphalt concrete protective course used on steel ...

In order to improve the fatigue performance of EACS, three types of epoxy asphalt concrete were compared with the normal base asphalt (AH70), the conventional epoxy asphalt concrete (CEAC), the ...

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QING LU, Ph

7. S. Luo, Z. Qian, X. Yang, Q. Lu. Fatigue Behavior of Epoxy Asphalt Concrete and Its Moisture Susceptibility from Flexural Stiffness and Phase Angle. Construction and Building Materials ... 18. L.L. Chen, Z.D. Qian, and Q. Lu. Crack Initiation and Propagation in Epoxy Asphalt Concrete in Three-Point Bending Test. Road Materials and ...

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Sang LUO Professor (Associate) PhD Southeast ...

Fatigue behavior of epoxy asphalt concrete and its moisture susceptibility from flexural stiffness and phase angle. Article. Aug 2017; Sang Luo. Zhendong Qian. Xu Yang. Qing Lu. Epoxy asphalt ...

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Epoxy Asphalt Frequently Asked Questions ChemCo Systems

The key elements are maintaining temperature control of the Epoxy Asphalt concrete at the batch plant and completing roller compaction of the Epoxy Asphalt concrete before the Epoxy Asphalt on the deck has cooled too much. The breakdown rolling must be complete before the temperature drops below 82°C and the finish rolling before the ...

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[PDF] Comparison between Binder and Hot Mix Asphalt ...

Fatigue behavior of epoxy asphalt concrete and its moisture susceptibility from flexural stiffness and phase angle Sang Luo , Z. Qian , Xu Yang , Q. Lu Materials Science

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New Damage Evolution Law for Steel–Asphalt Concrete ...

Nov 11, 2019  the stress controlled fatigue test (constant stress mode) is more suitable for asphalt pavements with a larger thickness (thickness greater than 15.24 cm) [22]. Saboo and Kumar predicted the fatigue crack behavior of asphalt concrete based on Miner’s cumulative damage theory, and the relationship between the tensile strain of specimens and the

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Structural Optimization of Steel Epoxy Asphalt Pavement ...

Apr 13, 2021  steel—epoxy asphalt concrete composite pavement are presented. Specifically, the stress variation of the relevant asphalt pavement at the stress concentration position is carefully considered, which is an important basis for the optimization of the bridge deck asphalt

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Qing Lu - USF

S. Luo, Q. Lu, and Z. Qian. Performance Evaluation of Epoxy Modified Open-graded Porous Asphalt Concrete. Construction and Building Materials, Volume 76, February 2015, pp. 97-102. L. Chen, Z. Qian, and Q. Lu. Crack Initiation and Propagation in Epoxy Asphalt Concrete in Three-Point Bending Test. Road Materials and Pavement Design. April 16, 2014.

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Nonlinear Viscoelastic Behavior of Asphalt Concrete and ...

Nonlinear Viscoelastic Behavior of Asphalt Concrete and Its Implication for Fatigue Modeling Mechanistic models for asphalt concrete (AC) can consider many different physical mechanisms. However, as more mechanisms are considered, the complexity increases, and it becomes important to balance accuracy and complexity to create a model that can be ...

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Development of cold-mix high-toughness resin and ...

Abstract Fatigue cracking is a typical defect in steel deck pavements. To reduce, or even eliminate, fatigue cracking in orthotropic steel deck pavements, a new-generation, cold-mix, high-toughness resin (CHR) for steel deck pavements was prepared by introducing a flexible chain into the molecular structure of cured epoxy resin based on the principle of action of a simultaneous ...

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Fatigue resistance of modified cold reclaimed mixes with ...

Nov 28, 2020  This study is devoted to finding a solution to an important problem of increasing the accuracy of assessing the fatigue stability of composites based on recycled asphalt concrete. Another problem for solving was a selecting optimal and effective ways to improve their physical–mechanical properties during modification by polymers. For experimental work, a new indicator reflecting the

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ASTM International - Journal of Testing and Evaluation ...

Rheological Characterization of Asphalt Concrete Using a Shear Box. Toward Development of a New Thermal Cracking Test Using the Dynamic Shear Rheometer. Effectiveness of Asphalt Rejuvenator. A Laboratory Study to Predict the Rutting and Fatigue Behavior of Asphalt Concrete Using the Indirect Tensile Test. Calibration of Seal Coat Application ...

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