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Study of the Shear Stiffness of Bituminous Mastics Incorporating Recycled Glass Fillers

Boussabnia, Mohamed Mounir / Vaillancourt, Michel / Perraton, Daniel

This paper studies the effect of recycled glass (RG) filler on the shear stiffness of mastics (mixture of bitumen and filler) in the linear viscoelastic domain (LVE). The research project was carried out at the Laboratory of Roads and Bituminous Materials (LCMB) of the École de technologie supérieure (ÉTS) using a new experimental device called the annular shear rheometer (ASR). The complex shear modulus G* of bitumen and mastics were measured under various temperatures and frequency conditions (from −25 to 45 °C and from 0.03 to 10 Hz). Two types of RG fillers (crushed glass and micronized glass) and a reference limestone filler were used to manufacture the PG70-28 based mastics. The complex coefficient of reinforcement ${R_{M}}^{*}$ \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${{{{R}}}_{{{M}}}}^{{*}}$$\end{document} was used to compare the shear stiffness of RG mastics with a limestone-based mastic. Results indicate that the RG filler effect is important at high temperature and/or low frequency where no significant effect was observed at low temperature and/or high frequency. Moreover, the filler size gradation seems to have most influence on the viscoelastic properties of the mastics at high temperature. Overall, it was shown that RG fillers are suitable for improving mastic shear stiffness in a pavement structure.

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Study of the Shear Stiffness of Bituminous Mastics Incorporating Recycled Glass Fillers

Boussabnia, Mohamed Mounir / Vaillancourt, Michel / Perraton, Daniel

This paper studies the effect of recycled glass (RG) filler on the shear stiffness of mastics (mixture of bitumen and filler) in the linear viscoelastic domain (LVE). The research project was carried out at the Laboratory of Roads and Bituminous Materials (LCMB) of the École de technologie supérieure (ÉTS) using a new experimental device called the annular shear rheometer (ASR). The complex shear modulus G* of bitumen and mastics were measured under various temperatures and frequency conditions (from −25 to 45 °C and from 0.03 to 10 Hz). Two types of RG fillers (crushed glass and micronized glass) and a reference limestone filler were used to manufacture the PG70-28 based mastics. The complex coefficient of reinforcement ${R_{M}}^{*}$ \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${{{{R}}}_{{{M}}}}^{{*}}$$\end{document} was used to compare the shear stiffness of RG mastics with a limestone-based mastic. Results indicate that the RG filler effect is important at high temperature and/or low frequency where no significant effect was observed at low temperature and/or high frequency. Moreover, the filler size gradation seems to have most influence on the viscoelastic properties of the mastics at high temperature. Overall, it was shown that RG fillers are suitable for improving mastic shear stiffness in a pavement structure.

Study of the Shear Stiffness of Bituminous Mastics Incorporating Recycled Glass Fillers

Boussabnia, Mohamed Mounir / Vaillancourt, Michel / Perraton, Daniel

This paper studies the effect of recycled glass (RG) filler on the shear stiffness of mastics (mixture of bitumen and filler) in the linear viscoelastic domain (LVE). The research project was carried out at the Laboratory of Roads and Bituminous Materials (LCMB) of the École de technologie supérieure (ÉTS) using a new experimental device called the annular shear rheometer (ASR). The complex shear modulus G* of bitumen and mastics were measured under various temperatures and frequency conditions (from −25 to 45 °C and from 0.03 to 10 Hz). Two types of RG fillers (crushed glass and micronized glass) and a reference limestone filler were used to manufacture the PG70-28 based mastics. The complex coefficient of reinforcement ${R_{M}}^{*}$ \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${{{{R}}}_{{{M}}}}^{{*}}$$\end{document} was used to compare the shear stiffness of RG mastics with a limestone-based mastic. Results indicate that the RG filler effect is important at high temperature and/or low frequency where no significant effect was observed at low temperature and/or high frequency. Moreover, the filler size gradation seems to have most influence on the viscoelastic properties of the mastics at high temperature. Overall, it was shown that RG fillers are suitable for improving mastic shear stiffness in a pavement structure.

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Title:

Study of the Shear Stiffness of Bituminous Mastics Incorporating Recycled Glass Fillers

Additional title:

RILEM Bookseries

Contributors:

Di Benedetto, Hervé (editor) / Baaj, Hassan (editor) / Chailleux, Emmanuel (editor) / Tebaldi, Gabriele (editor) / Sauzéat, Cédric (editor) / Mangiafico, Salvatore (editor) / Boussabnia, Mohamed Mounir (author) / Vaillancourt, Michel (author) / Perraton, Daniel (author)

Conference:

RILEM International Symposium on Bituminous Materials ; 2020 ; Lyon, France

Published in:

Proceedings of the RILEM International Symposium on Bituminous Materials ; Chapter: 214 ; 1689-1696

RILEM Bookseries ; 27

Publication date:

2021-09-26

Size:

8 pages

ISBN:

978-3-030-46455-4 , 978-3-030-46454-7

ISSN:

2211-0852 , 2211-0844

DOI:

https://doi.org/10.1007/978-3-030-46455-4_214

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Bitumen , Mastic , Annular shear rheometer , Reinforcement coefficient , Glass filler , Rheology Engineering , Building Materials , Characterization and Evaluation of Materials , Geoengineering, Foundations, Hydraulics

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