Modeling of rubber swelling in bituminous binders

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Modeling of rubber swelling in bituminous binders

Conference Paper (2018)

Author(s)

H. Wang (TU Delft - Civil Engineering & Geosciences)

P. Apostolidis (TU Delft - Civil Engineering & Geosciences)

X. Liu (TU Delft - Civil Engineering & Geosciences)

A. Scarpas (TU Delft - Civil Engineering & Geosciences, Petroleum Institute)

Research Group

Pavement Engineering

DOI related publication

https://doi.org/10.1201/9780429457791 Final published version

To reference this document use

https://resolver.tudelft.nl/uuid:44d79daa-062c-415b-a8e6-8b0bce11d33e

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Publication Year

2018

Language

English

Research Group

Pavement Engineering

Pages (from-to)

181-184

ISBN (print)

9781138313095

ISBN (electronic)

9780429855801

Event

AM3P 2018: International Conference on Advances in Materials and Pavement Performance Prediction (2018-04-16 - 2018-04-18), Doha, Qatar

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144

Abstract

Rubber swelling plays an important role in the property development of rubberized binders during bitumen-rubber interactions. Laboratory tests have shown that swelling of rubber in bitumen is a Multiphysics phenomenon which consists of liquid diffusion and solid volume expansion. Finite element model of rubber swelling was built to couple the above physics. The swelling process of rubber in bitumen was visualized using FEM software COMSOL. It was confirmed that rubber swelling is time and temperature dependent. More accurate model inputs and simulation at various interaction conditions will provide guidelines for material selection and sample preparation.