Comparison of Laboratory and Field Aging Properties of Asphalt-Rubber and Other Binders in Arizona
Over the last 40 years, Arizona has successfully used asphalt-rubber (AR) binders as defined by the American Society for Testing and Materials […]
Month: February 2013
Utilizing Warm Mix Technologies in Rubberized Asphalt Pavements
Asphalt rubber has been successfully used in the United States since 1960s. Asphalt Rubber is produced by mixing a crumb rubber modifier […]
Evaluation of an Alternative Gradation of Crumb Rubber on Binders and Asphalt Hot Mixes
This paper presents an experimental evaluation regarding the modification of one Colombian Asphalt Binder (CAB) by wet process by using an alternative […]
Comparison of Conventional, Polymer, and Rubber Asphalt Mixtures Using Viscoelastic Continuum Damage Model
In this study, a laboratory experimental program was conducted to compare the material properties and fatigue performance characteristics for reference, polymer-modified and […]
Rubber modified stone matrix asphalts
This paper contains tests methods and analysis results of rubber modified asphalts and rubber modified bituminous mixtures. Two types of road asphalts […]
European Approach to Asphalt Rubber
In recent years the asphalt rubber technology has started to be used in European countries. Several approaches for incorporation of crumb rubber […]
HOT MIX ASPHALT RUBBER MATERIAL
This paper describes the testing, production and paving of hot asphalt mixtures based on asphalt binders modified with crumb rubber (Asphalt Rubber) […]
Performance Characteristics of Arizona Asphalt-Rubber and Conventional Mixes using Beam Fatigue and Simple Shear Tests
The Arizona Department of Transportation (ADOT) supported research to perform the Four Point Bending Beam and Simple Shear tests to evaluate the […]
Comparing Effects of Crumb Rubber and Synthetic Polymers on Hot Mix Asphalt Performance
One of the most widely used bitumen additives is styrene-butadiene-styrene (SBS) polymer. Addition of this polymer has been shown to improve asphalt […]
Elastomeric Asphalt Extender – A New Frontier on Asphalt Rubber Mixes
The Reacted and Activated Rubber (RAR), as an Asphalt Rubber Binder, is composed of plain soft bitumen, fine crumb rubber, and an […]