A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Estimation of compaction of bituminous mixtures at microwave frequencies
This study is the beginning of a thesis dealing with the ability of electromagnetic methods based on waves propagation, to replace nuclear ones for measuring the compaction of bituminous mixtures. We study here the permittivity variation in function of compaction level of bituminous samples. For one part, a network analyzer with cylindrical cavities is used to obtain the permittivities of dry bituminous mixtures. These measurements are made with a controlled compaction between 0.88 and 0.96. For another part, each bituminous mixtures component (aggregates, binder, filler, air), their respective permittivity and their concentration are taken account in a permittivity model, based on the complex refractive index model (CRIM). The measurements of the mixtures are presented, discussed, and compared to their corresponding CRIM model. Further works are planned to improve the measurements quality.
Estimation of compaction of bituminous mixtures at microwave frequencies
This study is the beginning of a thesis dealing with the ability of electromagnetic methods based on waves propagation, to replace nuclear ones for measuring the compaction of bituminous mixtures. We study here the permittivity variation in function of compaction level of bituminous samples. For one part, a network analyzer with cylindrical cavities is used to obtain the permittivities of dry bituminous mixtures. These measurements are made with a controlled compaction between 0.88 and 0.96. For another part, each bituminous mixtures component (aggregates, binder, filler, air), their respective permittivity and their concentration are taken account in a permittivity model, based on the complex refractive index model (CRIM). The measurements of the mixtures are presented, discussed, and compared to their corresponding CRIM model. Further works are planned to improve the measurements quality.
Estimation of compaction of bituminous mixtures at microwave frequencies
Abschätzung der Verdichtung bituminöser Mischungen mittels Mikrowellen
Fauchard, Cyrille (author) / Li, Bo (author) / Ferrari, Estelle (author) / Laguerre, Laurent (author) / Derobert, Xavier (author) / Benjelloun, Nabil (author) / Mazari, Belahcene (author)
2009
6 Seiten, 3 Bilder, 8 Quellen
(nicht paginiert)
Conference paper
Storage medium
English
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