Utilize este identificador para referenciar este registo: http://hdl.handle.net/10198/9055
Título: Asphalt rubber interlayer benefits in minimizing reflective cracking of overlays over rigid pavements
Autor: Shatnawi, Shakir
Pais, Jorge
Minhoto, Manuel
Palavras-chave: Road Pavements
Cracking
Data: 2012
Citação: Shatnawi, Shakir; Pais, Jorge C.; Minhoto, Manuel (2012) - Asphalt rubber interlayer benefits in minimizing reflective cracking of overlays over rigid pavements. In 7th RILEM International Conference on Cracking in Pavements - Mechanisms, Modeling, Testing, Detection Prevention and Case Histories. 4, p. 1157-1167. ISBN 978-94-007-4565-0. Delft, Netherlands
Resumo: This paper provides an overview of the asphalt rubber interlayer benefits on reflective crack retardation in overlays over rigid pavements. These interlayers are known in California as asphalt rubber absorbing membrane interlayers (SAMI-R) or as asphalt rubber aggregate membrane interlayers (ARAM-I) chip seals. The paper focuses on the performance in terms of field project reviews, laboratory performance tests and finite element analysis. SAMI-R has been given a reflective cracking equivalent thickness of 15 mm of asphalt rubber hot mix overlays or 30 mm of dense graded hot mix overlays. The finite element analysis confirms the quantified reflective cracking benefits of SAMI-R and provides optimum design alternatives to conventional dense grades asphalt concrete overlays. The paper concludes that SAMI-R is effective in minimizing reflective cracking distress and in extending pavement life.
Peer review: yes
URI: http://hdl.handle.net/10198/9055
ISBN: 978-94-007-4565-0
ISSN: 2211-0844
Aparece nas colecções:DCCP - Artigos em Proceedings Não Indexados ao ISI/Scopus

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