Application of resonant acoustic spectroscopy to asphalt concrete beams for determination of the dynamic modulus
2012 (English)In: Materials and Structures, ISSN 1359-5997, E-ISSN 1871-6873, Vol. 45, no 12, 1903-1913 p.Article in journal (Refereed) Published
In this paper, a new application of resonant acoustic spectroscopy (RAS) is examined for constructing asphalt concrete mastercurves from seismic testing. The frequency-dependent material properties can be characterized from multiple modes of vibration through the use of RAS. Beam-shaped asphalt specimens are tested at multiple temperatures to determine the resonance frequencies of the specimens. The resonance frequencies are estimated by applying a small load impulse and measuring the resulting acceleration through the specimens. Using RAS, the material properties of the specimens are determined numerically using the measured resonance frequencies. The results presented show that the frequency-dependent dynamic modulus of the asphalt concrete specimens can be characterized using several modes of vibration at each testing temperature.
Place, publisher, year, edition, pages
Springer Netherlands , 2012. Vol. 45, no 12, 1903-1913 p.
Resonant acoustic spectroscopy, Resonance frequency, Dynamic modulus, Mastercurve
IdentifiersURN: urn:nbn:se:kth:diva-104234DOI: 10.1617/s11527-012-9877-3ISI: 000311786400009OAI: oai:DiVA.org:kth-104234DiVA: diva2:563586
QC 201211122012-10-302012-10-302014-11-17Bibliographically approved