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The paper presents the results of research on the interlayer bonding of asphalt layers compacted in the laboratory and in the field. To measure the interlayer bonding at a temperature of 20°C the Leutner test apparatus was used and load was applied at a rate of 50 mm/minute. Three types of interlayer interfaces were tested: no tack coat and tack coats made of two types of the pure bitumen emulsions. Four compaction techniques were used in laboratory conditions: rolling with and without vibrations, gyratory compaction and compaction with slab compactor, including both hot-to-cold and hot-to-hot. The fields specimens cored from pavements differed in terms of relative compaction. It was found out that interlayer bond strength between the layers of asphalt dependeds strongly on the applied compaction technique, as well as the compaction effort. In some cases efficient compaction produced a maximum shear force without tack coat. The type of emulsion used as the tack coat was also found to be highly relevant to the interlayer bonding.
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Informacje szczegółowe
- Kategoria:
- Aktywność konferencyjna
- Typ:
- materiały konferencyjne indeksowane w Web of Science
- Tytuł wydania:
- The 9th International Conference on Environmental Engineering : ICEE-2014 strony 1 - 7
- Język:
- angielski
- Rok wydania:
- 2014
- Opis bibliograficzny:
- Jaskuła P..: Influence of compaction effectiveness on interlayer bonding of asphalt layers, W: The 9th International Conference on Environmental Engineering : ICEE-2014, 2014, VGTU Press,.
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3846/enviro.2014.158
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 88 razy