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Master's Dissertation
DOI
https://doi.org/10.11606/D.3.2017.tde-14112003-103348
Document
Author
Full name
Rafael Marcal Martins de Reis
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2002
Supervisor
Committee
Bernucci, Liedi Legi Bariani (President)
Ceratti, Jorge Augusto Pereira
Fernandes Junior, Jose Leomar
Title in Portuguese
Revestimento asfáltico tipo SMA para alto desempenho em vias de tráfego pesado.
Keywords in Portuguese
Pavimentação asfáltica
Polímeros (Materiais) (Aplicações)
Revestimento de superfícies
Abstract in Portuguese
Este trabalho apresenta alguns resultados de pesquisa laboratorial compreendendo projeto de dosagem, comportamento mecânico da mistura SMA (Stone Matrix Asphalt - Matriz Pétrea Asfáltica), bem como, aspectos executivos relacionados ao desenvolvimento de um trecho experimental em SMA para revestimento de pavimentos. Os resultados de laboratório obtidos mostram que o SMA é um revestimento asfáltico que pode apresentar bom desempenho sob cargas pesadas em climas quentes, pois estas misturas são muito resistentes à deformação permanente, mas preservam a flexibilidade como os concretos asfálticos densos. O SMA é uma solução bem conhecida para tráfego pesado na Europa e mais recentemente na América do Norte. O SMA também tem sido empregado para aumento de aderência em pista molhada e para redução de ruído.
Title in English
SMA asphalt surface course for high performance on heavy traffic roads.
Keywords in English
Asphalt mixtures
Permanent deformation
SBS polymer modified asphalt binder
SMA
Stone matrix asphalt
Abstract in English
This research presents laboratory test results of mixture design, mechanical behavior of SMA (Stone Matrix Asphalt), as well as some construction aspects regarding to development of Brazilian road trial section as a new bituminous surface course to pavement construction or maintenance.The laboratory results show that SMA can perform very well in hot climate under heavy load conditions due to the mixture to be very resistant against permanent deformation but still flexible like dense asphalt concrete. The SMA is a well Known solution for heavy traffic in Europe and, more recently, in North America. The SMA is also employed to increase the adherence in wet conditions and for noise reduction.
 
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Publishing Date
2017-09-27
 
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