Asphalt Rubber Technology Information Center
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Asphalt Pavements Modified with Coarse Rubber Particles Design, Construction, and Ice Control Observations Final
Report
The Alaska DOT & PF installed six experimental pavement sections using the PlusRide system between 1979 & 1983.  Major modifications to normal asphalt pavement
aggregate gradations, asphalt contents, and mix design procedures are considered essential to achieve durable...
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Economic Analysis of Rubber-Modified Asphalt-Mixes
The Alaska DOT and Public Facilities are presently evaluating the use of recycled rubber in hot mix pavement applications.  The benefits of adding rubber to the mix
include increased skid resistance under icy conditions, improved flexibility and crack...
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Effect of Mix Ingredients on Performance of Rubber-Modified Asphalt Mixtures
This research project consisted mainly of a laboratory study of mix properties as a function of variables, such as rubber gradation and content, void content, aggregate
gradation, mix process, temperature, and asphalt...
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Effect of Mix Ingredients on the Behavior of Rubber-Modified Asphalt Mixtures
This paper presents the results of a laboratory study to evaluate the effect of rubber gradation and content, air voids, aggregate gradation, mix, temperature, and
curing conditions on the properties of rubber modified...
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Fatigue Behavior of Rubber Modified Pavements
Over the last 15 years, a number of rubberized pavement projects have been built in Alaska.  Initial laboratory and field investigations sponsored by the Alaska
Department of Transportation and Public Facilities (AKDOT & PF) and conducted by Raad er al.  (1995) indicated improved fatigue performance...
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Fatigue Properties of Rubber Modified Pavements
In accordance with original Intermodal Surface Transportation Efficiency Act mandate to use crumb tire rubber in pavements, Alaska would be required to use about 250
tons of used tire rubber starting in 1994 and increasing to about 1,000 tons of rubber to be used in 1997 and each year...
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Low Temperature Cracking of Modified AC Mixes in Alaska
Low temperature cracking is major distress mode in Alaskan pavements due to the extreme temperature conditions that range, in some instances, from about –50 in
winter to 40 degrees in summer.  The use of asphalt modifiers in Alaskan pavements occurred over the past 15 years.  These modifiers...
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Performance of Rubberized Asphalt Mixes in Alaska
This study evaluated fatigue and thermal cracking as well as permanent deformation resistance of several rubberized asphalt mixtures in comparison with conventional
mixes.  The rubberized mixes consisted of PlusRide and asphalt-rubber mixes, in addition to a trial mix consisting of a combination of the wet and...
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Remaining Fatigue Life Analysis: A Comparison Between Conventional Asphalt Concrete – Dense Graded (CAC-DG) and
Asphalt-Rubber Hot Mix – Gap Graded (ARHM-GG)
A procedure for estimating the remaining fatigue life of existing bituminous pavements is developed.  This procedure incorporates laboratory fatigue data for tensile
strain or surface curvature in terms of repetitions to failure.  It also utilizes laboratory data on reduction of flexural stiffness...
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The Feasibility of Using Recycled Rubber Tires in The Production of Asphalt in Alaska
Research was conducted to determine the feasibility of using recycled rubber tires in the production of asphalt in Alaska.  Employees of the DOT in Arizona, California,
and Florida were contacted to determine the best practices of those states in the production of asphalt using...
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Thermal Cracking of Rubber Modified Pavements
In accordance with original ISTEA mandate to use crumb tire rubber in pavements, Alaska would be required to use about 250 tons of used tire rubber starting in 1994
and increasing to about 1,000 tons of rubber in 1997 and each year...
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