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Title
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Peat as an example of a natural fiber in bitumen
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Author
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Abstract
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| In this study, the suitability of a natural peat fiber, as a modifier for bitumen was investigated. Peat fibers were dried, ground, and fractionated into a fiber and a granular fraction. Rheological data on peat modified binders indicated that the granular fraction is acting as a filler mainly stiffening the bituminous binders whilst the fiber fraction mainly increases the elastic behavior, which became especially visible at higher service temperatures. It was observed that by changing the ratio of fibers versus granular particles, the rheological behavior can be regulated. In addition, drainage tests were carried out on stone mastic asphalt (SMA) mixes. The data indicated that peat fibers can effectively reduce drainage, and can be used as an alternative for the currently used cellulose fibers. |
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Language
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English
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Source (book)
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RILEM 252-CMB Symposium : Chemo-Mechanical Characterization of Bituminous Materials / Poulikakos, Lily D. [edit.]
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Source (series)
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RILEM bookseries ; 20
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Publication
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Cham
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Springer international publishing ag
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2019
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ISSN
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2211-0844
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ISBN
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978-3-030-00475-0
978-3-030-00476-7
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Volume/pages
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20
(2019)
, p. 300-305
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ISI
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000559142900047
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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