Asphalt Rubber Technology Information Center
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A Study of the Use of Recycled Paving Material:  Report to Congress
The highway construction industry has a long history of using recycled products for highway construction.  This report summarizes some of the industries’ experiences
and, where sufficient information exists, it provides...
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A Study of the Use of Recycled Paving Material: Report to Congress, June 1993
The highway construction industry has a long history of using recycled products for highway construction.  This report summarizes some of the industries’ experiences
and, where sufficient information exists, it provides documentation regarding the economic savings, technical...
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Air Emissions Associated with the Combustion of Scrap Tires for Energy Recovery
This report presents a compilation of available air emissions data from sources which combusted scrap source.  Air pollution control equipment requirements and air
emissions testing protocols vary from state to state, resulting in a wide range in reported...
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Air Monitoring Survey: Asphalt Paving Operations Interstate 8, Dateland, Arizona
The objective of the air monitoring survey was to obtain additional information about potential air contaminants associated... Read More

Analysis of Asphalt-Rubber Emissions
Brief summary of study of emissions from asphalt rubber spray applications.  Samples were collected and tested for: three volatile organic compounds (benzene,
toluene, and xylene); total...
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Arkansas' Experience With Crumb Rubber Modified Mixes Using Marshall and SHRP Level 1 Design Methods
Unmodified and crumb rubber modified mixes conforming to the Arkansas State Highway and Transportation Department (AHTD) Type II Surface Course specifications
were designed for heavy traffic conditions and environmental conditions typical to the state of Arkansas using the Marshall and Superpave...
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Asphalt Emulsions Used in Construction and Maintenance
Emulsions are gaining in popularity.  They fulfill a need:  low cost materials for quality construction and maintenance.  Asphalt emulsions are widely used for every
phase of bituminous application.  Several years ago emulsions were used occasionally.  Interest for...
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Asphalt Plant Stack Emissions Testing Comparison of Emissions Form Hot Mix Production Virgin Aggregate and
Recycled Rubber Pavements
At the request of the Wisconsin Department of Transportation and Wisconsin Department of Natural Resources, Mathy... Read More

Background: EPA’s Dilemma Under Section 1038
Presents the EPA’s proposed approach in conducting studies as required by Sec. 1038 of ISTEA.  Sec. 1038 is interpreted not to require a “definitive scientific
determination of the significance of the health and environmental risks posed by recycling waste tires into...
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Biological Monitoring Assessment of Road Paving Workers Exposed to Asphalt and Crumb Rubber Modified Asphalt
The first objective of the present proposal is to determine if biological monitoring can add significantly to environmental sampling for CRM-asphalt-specific exposures.  
The specific aims associated with this objective are...
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Bitumen-Rubber in the United States – Its Origin, Cost-Effectiveness, Durability and New Uses
The origin and history of bitumen-rubber will be presented.  Since it has been used in the U.S. since 1968, we have a 20-year history.  This long period of use has
enabled us to prove that the product is cost effective, even at times on a first-cost basis.  There are also side benefits, such as reducing...
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Construction of Rubber-Modified Asphalt Pavements
Public road agencies are currently evaluating hot mix applications of PlusRide TM and Arm-R-Shield TM modified asphalt pavements.  The processes use reclaimed
rubber from ground automotive and light truck tires to reduce reflective and thermal cracking, suppress traffic noise, increase...
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Crumbling Roadways, “UFO’s”, and Asphalt-Rubber
Throughout the lengthy history of the Asphalt-Rubber program, emphasis has generally been placed only on the engineering merits of the product with little recognition
of the other factors which may be even more significant...
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Data Collection and Analyses Pertinent to EPA’s Development of Guidelines for Procurement of Highway Construction
Products Containing Recovered Materials Volume 1- Issues and Technical Summary Final Report
The primary objective of this study is to prepare a base of quantitative and qualitative information relating to the writing of guidelines for government... Read More

Design and Construction of Asphalt Paving Materials with Crumb Rubber Modifier
Provides a concise overview of the terminology, process, products, and application for crumb rubber modifier (CRM) technology.  Briefly discusses environmental and
legislative issues, history, CRM processing, wet...
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Engineering Aspects of Recycled Materials for Highway Construction - Final Report
This report presents an assessment of environmental aspects and engineering factors related to the utilization of recycled materials in highway construction.  A basic
overview and assessment of different technologies, processes, and methods for recycling of various materials into...
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Environmental Noise Analysis - Alta Arden Expressway Resurfacing Project
The acoustical consulting firm of Brown-Buntin Associates, Inc. (BBA) was retained by the Sacramento County Department of Public Works to study Alta Arden
Expressway traffic noise levels before and after paving with rubberized asphalt.  The purpose of this study was to describe...
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Environmental Noise Analysis - Antelope Road Widening Project
The acoustical consulting firm of Brown-Buntin Associates, Inc. (BBA) was retained by the Sacramento County Department of Public Works to study Antelope Road
traffic noise levels before and after paving with rubberized...
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Environmental Noise Analysis - Rubberized vs. Conventional Asphalt Overlays   Alta Arden Expressway and Bond Road
In late 1994, Sacramento County retained BBA to perform three additional acoustical analyses of the effects of roadway repaving on traffic noise levels.  The first of
these analyses was a return to the Alta Arden Expressway to re-evaluate the noise reduction provided...
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Evaluation of Pyrolized Carbon Black From Scrap Tires as an Additive in Hot Mix Asphalt
The main objective of this study is to evaluate the viability of using Pyrolized Carbon Black (CBp) derived from waste tires as a reinforcing agent in asphalt mixtures.  
Commercial Carbon Black (CB) has been previously shown to reduce the rutting resistance, the...
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Experimental Hot Mix Pavements with Scrap Tire Rubber at Thamesville, Ontario (Report 1 and 2)
The purpose of the demonstration was to confirm that (a) the construction of asphalt rubber hot mix pavements is environmentally acceptable and complies with worker
health and safety regulations; (b) asphalt rubber pavements can be recycled in both the plant...
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Categories:
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