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 […]
Document: Research Study
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 […]
SUPERIOR AGING CHARACTERISTICS OF ASPHALT RUBBER
This paper highlights the aging superiority of asphalt rubber and asphalt rubber hot mixes compared to conventional asphalts and mixes. The paper […]
COMPARISONS OF RUBBERIZED ASPHALT BINDERS: Asphalt-Rubber and Terminal Blend
The paper provides a comparison between two different rubberized asphalt binders; namely asphalt rubber and terminal blend. It discusses the two processes […]
Field Performance of Projects Containing Crumb Rubber Modified Asphaltic Concrete
The United States Intermodal Surface Transportation Efficiency Act (ISTEA) of 1991 specified that all asphalt pavement projects funded by federal agencies must […]
Seven Year Itch – Evaluation of Caltrans Full Scale Experiment on Asphalt Rubber Modified Pavements
The California Department of Transportation (Caltrans) has been using scrap tire rubber in asphalt pavements since the 1970s in chip seals and […]
Asphalt-Rubber 45 Years of Progress
Since the mid 1960’s the state of Arizona in the United States has used a unique asphalt binder called asphalt-rubber (AR) which […]
Asphalt-Rubber Standard Practice Guide – An Overview
The objective of this paper is to provide an overview of the basic information about the design and use of asphalt-rubber (AR) […]
Performance Characteristics of Asphalt Rubber Mixtures Containing RAP and Warm Mix Asphalt Technology [Presentation]
The purpose of this study was to determine the effect of Reclaimed Asphalt Pavement (RAP) and Warm Mix Asphalt (WMA) technology on […]
Effect of Crumb Rubber Modifiers (CRM) on Performance-Related Properties of Asphalt Binders
Crumb rubber derived from used vehicular tires has been used for a wide variety of industrial applications (1). In the early 1960′s, […]