Fatigue behavior of epoxy asphalt concrete and its

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Fatigue behavior of epoxy asphalt concrete and its ...

2017-8-1  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

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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 ...

2018-7-1  Fatigue performance of epoxy asphalt concrete at different load Herein, it is assumed that epoxy asphalt concrete and steel bridge deck have a strong bonding, and their contact shows continuous and uniform distribution. Fatigue test temperature of epoxy asphalt concrete was 15 °C, and test frequency was 10 Hz.

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Rheological and Fatigue Properties of Epoxy Asphalt Binder

Rheological and Fatigue Properties of Epoxy Asphalt Binder ... Epoxy asphalt concrete (EAC) is a thermosetting polymer modified ... evaluate the epoxy asphalt rheological behavior to avoid the problem of adhesion failure between circular plates and binder. DSR time sweep test with this new type of specimen was put ...

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Investigation on surface characteristics of epoxy asphalt ...

2017-11-1  1. Introduction. Epoxy asphalt concrete is considered as a steel deck pavement material with excellent strength properties, high temperature stability and good fatigue resistance , .The application of epoxy asphalt concrete in steel bridge was firstly reported in the United States in 1960s .It was firstly introduced to China in the Second Nanjing Yangtze Bridge in early 2000s .

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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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Performance of hot mix epoxy asphalt binder and its concrete

2014-10-11  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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(PDF) Research on Dynamic Modulus of Epoxy Asphalt Mixes ...

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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Qing LU Associate Professor Ph.D., P.E. University ...

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. The...

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Epoxy Asphalt fatigue resistant paving for Orthotropic ...

Epoxy Asphalt used in permeable pavements (OGFC) Epoxy Asphalt (EA) binder was extensively researched and field tested in a multi-phase evaluation by the International Transport Forum of OECD in a multi-country evaluation seeking long life pavements

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Biobased Epoxy Asphalt Binder (BEAB) for Pavement

2020-10-13  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. Fatigue properties of dense-graded (Lu et al. 2015). The initially developed epoxy asphalt

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Relationships Between the Fatigue Properties of Asphalt ...

2021-8-14  9 Another important factor affecting the fatigue behavior of asphalt concrete is the modulus of the material. This relationship is complex and is the result of several related factors. In a flexible pavement system, as the modulus of the asphalt concrete increases, the stiffness of the pavement system will increase and strains under traffic ...

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Qing LU Associate Professor Ph.D., P.E. University ...

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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(PDF) Research on Dynamic Modulus of Epoxy Asphalt Mixes ...

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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A review on fatigue and rutting performance of asphalt

2014-1-3  gradation is an effective factor for fatigue resistance of asphalt mixture even a lot more than the effects of asphalt content (Hafiang, 2001). Fatigue behavior of the bituminous mixtures can be characterized by Beam Fatigue Test (Figure 2) or Indirect Tensile Fatigue Test (ITFT) (Figure 3) in controlled stress and strain modes.

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Study on Performance of Epoxy Asphalt Concrete Applied in ...

As a fair deck pavement material of its kind used in steel bridge, the epoxy asphalt concrete is considered much more superior to ordinary asphalt concrete in terms of road performance, while ...

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Thermal and bonding properties of epoxy asphalt bond

2021-3-2  Epoxy asphalt bond coat (EABC) is one of the thermosetting polymer-modified asphalts, which has been widely employed as a strong waterproof bonding layer between the asphalt concrete and the orthotropic steel bridge deck. In the present work, the influences of asphalt content on the phase separation, viscosity, thermal stability, viscoelastic behavior, mechanical performance, pull-off strength ...

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Qing Lu - USF

2019-10-22  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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Hot Mixing Behavior and Curing Process of Epoxy Asphalt ...

2020-6-30  A new hot mixed epoxy asphalt system was developed. The reaction process of epoxy resin was characterized by Fourier transform infrared spectroscopy (FTIR). The viscosity was investigated by Brinell viscometer when epoxy resin was mixed with asphalt. The glass transition temperature (Tg), homogeneity, thermal stability and viscoelasticity of epoxy asphalt were analyzed by differential

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Biobased Epoxy Asphalt Binder (BEAB) for Pavement

2020-10-13  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. Fatigue properties of dense-graded (Lu et al. 2015). The initially developed epoxy asphalt

Get price

Relationships Between the Fatigue Properties of Asphalt ...

2021-8-14  9 Another important factor affecting the fatigue behavior of asphalt concrete is the modulus of the material. This relationship is complex and is the result of several related factors. In a flexible pavement system, as the modulus of the asphalt concrete increases, the stiffness of the pavement system will increase and strains under traffic ...

Get price

Investigation on Fracture Performance of Lightweight Epoxy ...

In order to investigate the fracture performance of lightweight epoxy asphalt concrete (LEAC) used in steel bridge deck pavement, experiments and numerical simulations were used to analyze the effect of lightweight aggregate (LWA) on fracture behavior of LEAC.

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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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Hot Mixing Behavior and Curing Process of Epoxy Asphalt ...

2020-6-30  A new hot mixed epoxy asphalt system was developed. The reaction process of epoxy resin was characterized by Fourier transform infrared spectroscopy (FTIR). The viscosity was investigated by Brinell viscometer when epoxy resin was mixed with asphalt. The glass transition temperature (Tg), homogeneity, thermal stability and viscoelasticity of epoxy asphalt were analyzed by differential

Get price

Thermal and bonding properties of epoxy asphalt bond

2021-3-2  Epoxy asphalt bond coat (EABC) is one of the thermosetting polymer-modified asphalts, which has been widely employed as a strong waterproof bonding layer between the asphalt concrete and the orthotropic steel bridge deck. In the present work, the influences of asphalt content on the phase separation, viscosity, thermal stability, viscoelastic behavior, mechanical performance, pull-off strength ...

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Study on the microstructure and properties of hot-mix ...

2019-6-13  Epoxy asphalt concrete (EAC) has excellent high-temperature stability and fatigue durability and is extensively used as steel deck pavement. The spatial microstructure of one type of hot-mix epoxy asphalt was investigated using fluorescence microscopy and scanning electron microscopy (SEM). The properties of the epoxy asphalt (EA) and EAC with different epoxy resin to epoxy asphalt

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Materials Free Full-Text Experimental Evaluation of ...

Epoxy asphalt concrete (EAC) is composed of asphalt, epoxy resin, a curing agent, and aggregates, and is characterized by good waterproofing performance, rutting resistance, high strength, and fatigue resistance. EAC is widely used in orthotropic steel bridge deck pavement engineering [1,2]. The steel plates of a steel bridge exhibit larger ...

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(PDF) Properties of Epoxy-Asphalt Pavement Mixture for ...

Improving the ability of asphalt pavement to survive the heavily repeated axle loads and weathering challenges in Iraq has been the subject of research for many years. The critical need for such data in the design and construction of more durable

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Special Issue "Characterization of Innovative Asphalt ...

2021-5-31  Due to its poor early mechanical strength, active fillers (i.e., cement) have been used to obtain high early stiffness in order to have the potential for timely construction of the next layer. There is, however, a lack of understanding about the impact of active fillers on the viscoelastic behavior and fatigue damage resistance of CBE mastics.

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