hot mixing behavior and curing process of epoxy asphalt

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

Jun 30, 2020  10%  Hot Mixing Behavior and Curing Process of Epoxy Asphalt. Huawei Li 1, Wei Wei 1,3, Chao Zhang 1, Feifan Xu 1, Xin Li 1, Peng Jing 1, Quanyao Zhu 1, Qingjun Ding 2 Boxiang Yan 2 Journal of Wuhan University of Technology-Mater. Sci. Ed. volume 35, pages 605–610 (2020)Cite this article

get price

Chemical and physical properties of hot mixing epoxy ...

Feb 20, 2019  Epoxy asphalt binder was prepared by mixing the base asphalt with epoxy resin, curing agent and other additives. The chemical and physical properties for epoxy asphalt binders were investigated. The curing process of epoxy asphalt binder was characterized by Fourier Transform Infrared (FTIR). The mathematical equations model was employed to ...

get price

Curing behavior of epoxy asphalt SpringerLink

Jul 09, 2009  10%  The curing process of epoxy asphalt was analyzed by Fourier transform infrared (FT-IR) spectroscopy. Effect of curing temperature on viscosity of epoxy asphalt, and changes of mechanical properties with curing time were investigated. The evolution of concentration of epoxy band was followed as a function of the applied curing process. The experimental results indicate that the curing

get price

Performance of hot mix epoxy asphalt binder and its ...

Oct 11, 2014  10%  HMEA preparation. Epoxy resin was mixed with cure agents at 80 °C. Afterward, the mixture of epoxy and curing agent (epoxy binder) was stirred by magnetic force for 5 min. Asphalt preheated at 160 °C in an oven for 1 h was added to the epoxy binder with continuous mechanical stirring, until a homogeneous mixture (HMEA binder) was observed.

get price

Hot Mix Asphalt Mixing Facilities

mixed aggregate. "Wet-mixing", where the aggregates . and . asphalt cement . are . combined, takes place for a few seconds more in the pugmill. The combined dry and wet mixing time will rarely exceed . 42 seconds. When recycling is performed in the batch mixing process, the . RAP . is added to the hot aggregates it has left the . drum,

get price

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 , , , .

get price

Biobased Epoxy Asphalt Binder (BEAB) for Pavement Asphalt ...

Mar 10, 2018  drawbacks of epoxy resin, brittleness also exhibits in the behavior of epoxy asphalt mixtures. Over the last twenty years, there has been some research effort to develop various epoxy asphalt binders. In mid 1990s researchers in Tongji University experimented with both a hot mix and a cold mix epoxy asphalt binders.

get price

Epoxy Asphalt Frequently Asked Questions ChemCo Systems

The epoxy resin component is maintained at 80-85°C prior to mixing. The asphalt/curing agent component is maintained at 150-155°C prior to mixing. The aggregate temperature is controlled to be about 113-124°C. The mixed batch as it leaves the pug-mill (asphalt plant mixing chamber) is controlled to be between 102°C and 121°C.

get price

Performance of hot mix epoxy asphalt binder and its ...

Oct 11, 2014  HMEA preparation. Epoxy resin was mixed with cure agents at 80 °C. Afterward, the mixture of epoxy and curing agent (epoxy binder) was stirred by magnetic force for 5 min. Asphalt preheated at 160 °C in an oven for 1 h was added to the epoxy binder with continuous mechanical stirring, until a homogeneous mixture (HMEA binder) was observed.

get price

Performance evaluation of warm mix asphalt additive ...

Apr 20, 2019  Since then, epoxy-modified asphalt, also called epoxy asphalt (EA) has been widely used on the steel bridge deck pavements , . In the above cases, EA binders were commercially available products consisting of two or three components; the epoxy oligomer and the asphaltic part, which includes the curing agent or the epoxy oligomer, curing agent ...

get price

Preparation and Evaluation of Special Hot Mix Asphalt for ...

Preparation good performance modified hot mix asphalts. Apply the best modified hot asphalt mix on steel bridge as a wearing surface to investigate the behavior of the selected asphalt mix under high levels of strain, traffic loads and different climatic conditions. MATERIALS AND METHODS Materials Local asphalt cement penetration grade 60/70

get price

An Asphalt Emulsion Modified by Compound of Epoxy

Twice Thermal Mixing Method, that is, water-epoxy resin emulsion and SBR latex pass through for two times a thermal mixing and dispersing process. Mix water-epoxy resin emulsion with SBR latex (normal temperature) and hot emulsifier solution (60~70˜) by means of an emulsification machine in order to prepare a mixture of

get price

Epoxy Asphalt fatigue resistant paving for Orthotropic ...

The Epoxy Asphalt binder is a two-phase chemical system in which the continuous phase is a flexible, thermoset (non-melting) epoxy polymer and the discontinuous phase is a mixture of specialized asphalts. A hot spray application of an Epoxy Asphalt bond (tack) coat applied to the substrate precedes the laying of the Epoxy Asphalt Concrete.

get price

Performance evaluation of warm mix asphalt additive ...

Abstract The utilization of crumb rubber to produce asphalt rubber (AR) for asphalt mixture pavement has been proven to be an economical and environmental way for the disposal of waste tires. As one of the most significant thermosetting polymer modified asphalt with prominent performances, epoxy asphalt (EA) has been widely used on the pavement of steel bridge decks.

get price

ASTM International - Journal of Testing and Evaluation ...

Study on the Curing Process of Epoxy Asphalt. ... Solvent-Free, Nuclear-Free Determination of Asphalt Content and Gradation of Hot-Mix Asphalt Concrete. ... Behavior of Selected Warm Mix Asphalt Additive Modified Binders and Prediction of Dynamic Modulus of the Mixes.

get price

Improving the compatibility of cold-mixed epoxy asphalt ...

May 20, 2020  Jiang et al. modified base asphalt with different styrene-butadiene structures and prepared styrene-butadienestyrene (SBS)-modified asphalts (SBAs) firstly; Then SBAs, epoxy monomer and curing agent were mixed under certain condition, hence prepared epoxy SBAs (ESBAs). There was A double separation system during the curing process.

get price

ASTM International - Journal of Testing and Evaluation ...

Interface Bond Strength of Ultra-Thin Whitetopping (UTW) and Hot Mix Asphalt (HMA) Composites by Direct Shear ... Study on the Curing Process of Epoxy Asphalt. ... Comparative Study on Laboratory Performance of Hot- and Warm-mix Asphalt Mixtures. Degradation Behavior

get price

Evaluation of epoxy modification in asphalt mastic ...

Sep 15, 2020  In-depth understanding of the synergetic effect between the various incorporating constituents in asphalt binders (e.g., polymers, fillers) is needed to design durable paving materials with desired properties. In this research, the focus was first on the effect of the reactivity of fillers on the evolution of adhesive strength between stone aggregates and epoxy modified asphalt mastics during ...

get price

Study of the impact of the compaction and curing ...

【摘要】:In most countries, there is a low temperature limit to lay down hot asphalt mixes because if it is too cold, it becomes impossible to get proper compaction.For cold recycled bituminous mixture(CRM), there is little information on the effect of the low temperature on their behavior. The goal of this study is to evaluate, in laboratory, the impact of the compaction and curing ...

get price

Influence of Polymer Concentration on the Microstructure ...

Mar 08, 2005  Phase behavior and hot storage characteristics of asphalt modified with various polyethylene: Experimental and numerical characterizations. ... Study on the Curing Process of Epoxy Asphalt. Journal of Testing and Evaluation 2012, 40 (7) ... Rubber-like thermosetting epoxy asphalt composites exhibiting atypical yielding behaviors.

get price

Applications of FTIR on Epoxy Resins Identification ...

The curing process is the set of chemical reactions that leads to the formation of a highly crosslinked 3D network. For epoxy/amine the chemical process that leads to network formation can be described according to the scheme: Fig. 3. Epoxy-amine reaction scheme. k 1

get price

TROUBLESHOOTING MOLDING PROBLEMS

• Improper cure cycle • Improper heating during bond cycle Tooling Corrective Action Material Process • Improve Q of adhesive material • Fully cure adhesive before pressure or clamping is removed • Properly prepare surfaces to be bonded • Ensure that periodic check of the mix ratio is performed

get price

Epoxy Asphalt fatigue resistant paving for Orthotropic ...

The Epoxy Asphalt binder is a two-phase chemical system in which the continuous phase is a flexible, thermoset (non-melting) epoxy polymer and the discontinuous phase is a mixture of specialized asphalts. A hot spray application of an Epoxy Asphalt bond (tack) coat applied to the substrate precedes the laying of the Epoxy Asphalt Concrete.

get price

Preparation and Evaluation of Special Hot Mix Asphalt for ...

Preparation good performance modified hot mix asphalts. Apply the best modified hot asphalt mix on steel bridge as a wearing surface to investigate the behavior of the selected asphalt mix under high levels of strain, traffic loads and different climatic conditions. MATERIALS AND METHODS Materials Local asphalt cement penetration grade 60/70

get price

An Asphalt Emulsion Modified by Compound of Epoxy

Twice Thermal Mixing Method, that is, water-epoxy resin emulsion and SBR latex pass through for two times a thermal mixing and dispersing process. Mix water-epoxy resin emulsion with SBR latex (normal temperature) and hot emulsifier solution (60~70˜) by means of an emulsification machine in order to prepare a mixture of

get price

ASTM International - Journal of Testing and Evaluation ...

Study on the Curing Process of Epoxy Asphalt. ... Solvent-Free, Nuclear-Free Determination of Asphalt Content and Gradation of Hot-Mix Asphalt Concrete. ... Behavior of Selected Warm Mix Asphalt Additive Modified Binders and Prediction of Dynamic Modulus of the Mixes.

get price

ASTM International - Journal of Testing and Evaluation ...

Interface Bond Strength of Ultra-Thin Whitetopping (UTW) and Hot Mix Asphalt (HMA) Composites by Direct Shear ... Study on the Curing Process of Epoxy Asphalt. ... Comparative Study on Laboratory Performance of Hot- and Warm-mix Asphalt Mixtures. Degradation Behavior

get price

Determining Asphalt Binder Bond Strength by Means of

curing times provide information related to the adhesive and cohesive behavior of hot-applied and emulsified asphalt binders. 5.2 Evaluation of pullout tensile strength on different aggregate substrates allows for assessment of asphalt-aggregate compatibility. 5.2.1 For emulsified binders, comparison of materials based on curing rate and ...

get price

Applications of FTIR on Epoxy Resins Identification ...

The curing process is the set of chemical reactions that leads to the formation of a highly crosslinked 3D network. For epoxy/amine the chemical process that leads to network formation can be described according to the scheme: Fig. 3. Epoxy-amine reaction scheme. k 1

get price

Influence of Polymer Concentration on the Microstructure ...

Mar 08, 2005  Phase behavior and hot storage characteristics of asphalt modified with various polyethylene: Experimental and numerical characterizations. ... Study on the Curing Process of Epoxy Asphalt. Journal of Testing and Evaluation 2012, 40 (7) ... Rubber-like thermosetting epoxy asphalt composites exhibiting atypical yielding behaviors.

get price

2017年实验室部分SCI收录论文 - chd.cn

Curing process and properties of hydrogenated bisphenol a epoxy resin particles by an interfacial polymerization method for asphalt pavements. ... Emission Reduction Performance of Modified Hot Mix Asphalt Mixtures. ... Characterizing the three-stage rutting behavior of asphalt pavement with semi-rigid base by using UMAT in ABAQUS.

get price

Study of the impact of the compaction and curing ...

【摘要】:In most countries, there is a low temperature limit to lay down hot asphalt mixes because if it is too cold, it becomes impossible to get proper compaction.For cold recycled bituminous mixture(CRM), there is little information on the effect of the low temperature on their behavior. The goal of this study is to evaluate, in laboratory, the impact of the compaction and curing ...

get price

TROUBLESHOOTING MOLDING PROBLEMS

• Improper cure cycle • Improper heating during bond cycle Tooling Corrective Action Material Process • Improve Q of adhesive material • Fully cure adhesive before pressure or clamping is removed • Properly prepare surfaces to be bonded • Ensure that periodic check of the mix ratio is performed

get price

Applied Sciences Special Issue : Asphalt Materials II

The asphalt tended to evenly be dispersed in the continuous phase of the epoxy resin during the formation of the epoxy resin network, and the network structure increased the deformation of the epoxy resin. The epoxy asphalt curing reaction process was classified into three stages based on the degree of curing. Full article

get price

Study on Epoxy Resin-Modified Asphalt Binders with ...

Epoxy resin-modified asphalt binder (ERMAB) has been wildly used in the pavement of steel bridges, while the improvement on its low temperature is still a big challenge to researchers. This paper tries to improve the low-temperature performance of ERMAB by optimizing the modifier, epoxy resin. Firstly, three epoxy resins and three amine curing agents were prepared and used for the modification ...

get price

Chemo-Rheological Study of Hardening of Epoxy Modified ...

Aug 17, 2018  The epoxy modified bituminous mixes were produced and compacted at a temperature range substantially lower than for conventional hot-mix asphalt mixes resulting in a decrease of the material production energy and reduction of carbon footprint of the whole pavement manufacturing chain.

get price