Curing reaction model of epoxy asphalt binder

Abstract

In order to understand the strength developing law of the epoxy asphalt mixture, a curing reaction model of the epoxy asphalt binder was proposed based upon the thermokinetic analysis. Given some assumptions, the model was developed by applying the Kissinger law as well as Arrhenius equation, and the differential scanning calorimetry was performed for estimating the model parameters. To monitor the strength development of the epoxy asphalt mixture, a strength test program was employed and then results were compared to those produced from the proposed model. The comparative evaluation shows that a good consistency exists between the outputs from test program and the proposed model, indicating that the proposed model can be used effectively for simulating the curing reaction process for the epoxy asphalt binder and predicting the strength development for the epoxy asphalt mixture.

Keywords

epoxy asphalt / curing reaction / strength developing law / kissinger equation / differential scanning calorimetry (DSC)

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