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Precision of modal analysis to characterise the complex modulus of asphalt concrete
Peab Asfalt AB.
University of Lyon .
EIFFAGE Infrastructures.
SKANSKA.
Show others and affiliations
2019 (English)In: International Journal on Road Materials and Pavement Design, ISSN 1468-0629, E-ISSN 2164-7402Article in journal (Refereed) Published
Abstract [en]

Modal analysis is an economic and efficient test method to characterise the complex modulus of asphalt concrete. In this paper, the precision of modal analysis was evaluated by performing testing at several laboratories on two cylindrical asphalt concrete specimens. In addition, the complex moduli characterised by modal analysis were compared to cyclic tension-compression testing. The results showed that the coefficient of variation was less than 3% at loading frequencies above 10 Hz for the complex modulus determined through modal analysis. The comparison of the complex modulus determined from modal analysis and tension-compression testing resulted in a coefficient of variation values not more than 9% for loading frequencies ranging from 0.1 to 10 9 Hz.

Place, publisher, year, edition, pages
Taylor and Francis Ltd. , 2019.
Keywords [en]
Pavement design, Bituminous mixture, Precision, Characteristics, Load, Frequency, Tension, Compression
National Category
Infrastructure Engineering
Research subject
30 Road: Highway design, 32 Road: Pavement design; 50 Road: Materials, 51 Road: Bituminous materials and binders
Identifiers
URN: urn:nbn:se:vti:diva-13736DOI: 10.1080/14680629.2019.1590224Scopus ID: 2-s2.0-85063028201OAI: oai:DiVA.org:vti-13736DiVA, id: diva2:1314594
Available from: 2019-05-09 Created: 2019-05-09 Last updated: 2019-08-09Bibliographically approved

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Ahmed, Abubeker W

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  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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