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Título : Laboratory Evaluation of Asphalt Rubber Mixtures Using the Dynamic Modulus (E*)
Autor : Sotil Chávez, Andrés
Kaloush, Kamil
Witczak, Matthew
Way, George
Palabras clave : Productos de hormigón
Densidad
Fecha de publicación : 2003
Editorial : Universidad San Ignacio de Loyola
Resumen : For thirty years, the Arizona Department of Transportation has been adding crumb rubber to the asphalt concrete with remarkable performance. A primary objective of this study was to evaluate the laboratory performance of these mixtures by conducting the Dynamic Complex Modulus (E*) test. Field samples of two Asphalt Rubber (AR) mixtures were used: Asphalt-Rubber- Asphalt-Concrete-Gap-Graded, and Asphalt-Rubber-Asphalt-Concrete-Friction-Course-Open- Graded mixes, which utilized a common base binder grade of PG 58-22. Tests were performed unconfined and confined (three different levels), and the E* master curves were developed for each mixture and test condition.Since the performance of the AR mixtures have been remarkable in the field, the results of this study showed the importance of using confined tests when comparing the performance of open graded to dense graded mixtures.For thirty years, the Arizona Department of Transportation has been adding crumb rubber to the asphalt concrete with remarkable performance. A primary objective of this study was to evaluate the laboratory performance of these mixtures by conducting the Dynamic Complex Modulus (E*) test. Field samples of two Asphalt Rubber (AR) mixtures were used: Asphalt-Rubber- Asphalt-Concrete-Gap-Graded, and Asphalt-Rubber-Asphalt-Concrete-Friction-Course-Open- Graded mixes, which utilized a common base binder grade of PG 58-22. Tests were performed unconfined and confined (three different levels), and the E* master curves were developed for each mixture and test condition.Since the performance of the AR mixtures have been remarkable in the field, the results of this study showed the importance of using confined tests when comparing the performance of open graded to dense graded mixtures.
URI : http://repositorio.usil.edu.pe/handle/123456789/1460
Aparece en las colecciones: Proyectos de Investigación

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