Asphalt rubber interlayer benefits on reflective crack retardation of flexible pavement overlays

This paper provides an overview of the asphalt rubber interlayer benefits on reflective crack retardation in flexible pavement preservation and rehabilitation strategies. These interlayers are known in California as asphalt rubber absorbing membrane interlayers (SAMI-R) or as asphalt rubber aggregat...

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Bibliographic Details
Main Authors: Shatnawi, Shakir, Pais, Jorge C., Minhoto, Manuel J. C.
Format: Conference Object
Language:English
Published: 2011
Subjects:
Interlayers
SAMI-R
ARAM-I
Asphalt rubber
Pavement preservation
Rehabilitation
Overlays
Cape seals
reflective cracking
sami
Online Access:http://hdl.handle.net/1822/15295
Description
Summary:This paper provides an overview of the asphalt rubber interlayer benefits on reflective crack retardation in flexible pavement preservation and rehabilitation strategies. 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. These interlayers have been used successfully as part of cape seals and as part of an overlay system. The paper focuses on the performance in terms of field project reviews, laboratory performance tests and finite element analysis. The paper concluded that SAMI-R are effective in minimizing reflective cracking distress and in extending pavement ...

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