Search: WFRF:(Ghafoori Roozbahany Ehsan) >
A new test to study...
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Ghafoori Roozbahany, EhsanKTH,Byggnadsmaterial
(author)
A new test to study the flow of mixtures at early stages of compaction
- Article/chapterEnglish2016
Publisher, publication year, extent ...
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2015-10-30
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Kluwer Academic Publishers,2016
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:kth-176317
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-176317URI
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https://doi.org/10.1617/s11527-015-0738-8DOI
Supplementary language notes
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Language:English
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Summary in:English
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Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20160818
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Workability is one of the most commonly used indicators for the capability of asphalt mixtures tobe placed and compacted on the roads with long lasting quality and minimum maintenancethroughout its service life. Despite of valuable previous efforts for measuring and characterizingworkability, none of them has proven successful in representing the field conditions of roadconstructions. This paper is an attempt towards developing a systematic workability test methodfocusing on compaction, the so-called Compaction Flow Test (CFT), by simulating fieldcompaction at early stages and at laboratory scale with the main focus on mixture flow. The CFTwas applied for different mixtures in order to identify the parameters with highest impact on theasphalt particle movements under compaction forces. A new setting inside X-ray ComputationalTomography (CT) allowed tracing asphalt particles during the CFT and acquiring CT imagesunderlining the reliability of the CFT results. In addition, simple Discrete Element Models (DEM)were successfully generated to justify some of the CFT results.
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Added entries (persons, corporate bodies, meetings, titles ...)
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Partl, ManfredKTH,Byggnadsmaterial(Swepub:kth)u1t8ihgf
(author)
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KTHByggnadsmaterial
(creator_code:org_t)
Related titles
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In:Materials and Structures: Kluwer Academic Publishers49:9, s. 3547-35581359-59971871-6873
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