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Title
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The role of reinforced interface adhesive layer to construct resilient pavement
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Author
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Abstract
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| Resilience in general captures the goals of maintaining the continuity of performance and recovery to the desired function during an infrastructure designated service life. Nevertheless, pavement infrastructure is particularly vulnerable to the impacts of climate change due to being continuously exposed to outdoor conditions. Constructing a pavement that is resilient to a changing climate will necessitate challenging changes in materials, design, and execution techniques. Accordingly and irrespective of crucial parameters such as pavement structural and mix designs, interlayer bonding between pavement layers plays a crucial role in pavement durability. For instance, slippage of pavement layers occurs particularly during summer under heavy traffic loads. However, such distress has been exacerbated due to global warming which might be moderated using a proper adhesive layer. This study initially compared the shear resistance between pavement layers when conventional and polymer-modified bitumen (PMB) emulsions were applied as adhesive agents. Furthermore, the impacts of milk lime (slurry) and glass-fiber-reinforced adhesive layer were evaluated using the Leutner shear test. The results showed that incorporating PMB emulsion considerably enhanced bonding between layers and outperformed conventional materials. Although no considerable influence of slurry on shear resistance was found, less tack coat removal by paver during road execution was detected due to the presence of the slurry. The reinforced adhesive layer with glass fiber exhibited higher shear resistance, particularly for the specimens that were collected after being approximately one year in service. It was finally observed that a few parameters such as trapped moisture can destructively influence interface shear resistance. |
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Language
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English
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Source (book)
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Smart & Sustainable Infrastructure: Building a Greener Tomorrow : proceedings of the 1st Interdisciplinary Symposium on Smart & Sustainable Infrastructure (ISSSI 2023)
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Source (series)
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RILEM Bookseries ; 48
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Publication
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2024
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ISBN
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978-3-031-53388-4
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DOI
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10.1007/978-3-031-53389-1_13
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Volume/pages
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48
(2023)
, p. 122-136
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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