Articles
For answers to frequently asked questions about Superpave Technology, see our online searchable database of Superpave Newsgroup questions.
Articles and research are posted in the order received. Newest material is at the top of the page.
- A Case Study to Evaluate the Effect of CBp Modification on G*/Sin(Delta)
- By Yetkin Yildirim
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- By Yetkin Yildirim and Tom Kennedy.
- By Yetkin Yildirim and Tom Kennedy.
- By Yetkin Yildirim, Ph.D., Program Manager, Superpave and Asphalt Research
Program
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1250 Project Research Reports
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1250-1 Effect of Reclaimed Asphalt Pavement on Binder Properties Using the Superpave System
1250-2 The South Central Superpave Center: Report of Activites
1250-3 Evaluation of Superpave Gyratory Compactors
1250-5 Mixing and Compaction Temperatures for Hot Mix Asphalt Concrete
1250-S The South Central Superpave Center Summary Report
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By Ken Hobson, Bituminous Branch Manager, Oklahoma DOT (draft of article published by Asphalt Contractor magazine, November 1999.
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This link will take you away from our website and to the NCSC site, where they are posting all their PDF format versions of all the regional newsletters.
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This set of pages is a PowerPoint presentation made by Dan Reagan, of the FHWA. Here you will find both graphics and the spoken presentation made during the month of September in various locations in Texas.
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This PDF file is an electronic copy of the SCSC's contribution to the newsletter. This is Volume 1, Number 2, of the Winter/Spring 1998/1999 printing.
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This PDF file is an electronic copy of the NCSC's national insert that is added to each regional newsletter. This is Volume 1, Number 2, of the Winter/Spring 1998/1999 printing.
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This article, by Yetkin Yildirim, Dr. Tom Kennedy, and Dr. Mansour Solaimanian, discusses how to use shear rate to determine viscosity for mixing and compaction temperature calculations for modified asphalt binders.
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The Association of Asphalt Paving Technologists named Thomas W.
Kennedy, UT
professor of civil engineering, an honorary member at their 75th
annual meeting in March. (This article was taken from the UT Daily Texas Online)
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- Texas Department of Transportation (TxDOT) has been utilizing the static creep test as an integral part of mix design for Coarse Matrix High Binder (CMHB) asphalt mixtures. This paper is by Dr. Mansour Solaimanian.
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- This article discusses initiatives to develop Superpave-like specification requirements for surface treatment binders, both asphalt emulsions and hot applied asphalt cements. Article by Darren Hazlett, Branch Manager,
TxDOT Asphalt & Chemical.
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- This paper, by Dr. Mansour Solaimanian and Yetkin Yildirim, reports on the comparism of test results from Texas gyratory compactor (TGC) and Superpave gyratory compactors (SGC) on Superpave mixes.
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- Design number of gyrations plays an important role in determination of optimum asphalt content in the Superpave System. This article, by Bob McGennis, Weng Tam, and Mike Anderson, briefly explains the work accomplished towards modifying the design number of gyrations for use with the Superpave Gyratory Compactor.
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- Read Mansour Solaimanian's report of this conference, which was held in Austin October 12-16. Fill out the interest form on our website if you would like to be informed of the next "Asphalt Technology Conference of the
Americas."
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- This document, written by Mansour Solaimanian, Project Manager of the Superpave Asphalt Research Program, discusses Superpave used as an overlay mix containing waste toner.
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- This document provided by Paul Mack, Deputy Chief Engineer of the New York
State DOT, outlines the latest recommendations of the Superpave Lead States
team with respect to Superpave mix design and material requirements.
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- Manitoba's experience, related by Doug Fisher, Manager, Engineering Audit & Quality Assurance
for The Province of Manitoba, Highways & Transportation.
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- Minutes from the meeting held March 10-11, 1998, in Orlando, Florida.
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- This article
summarizes Superpave gyratory compactor evaluations conducted at the South
Central Superpave Center using AASHTO TP35. The new units evaluated include
new units produced by Pine, Troxler, Rainhart, Test Quip, and Interlaken.
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- This article, by Jerry R. Westerman, Assistant Materials Engineer, of Arkansas State Highway and Transportation Department, was presented
for the Arkansas Superpave Symposium, January 21, 1998 in Little Rock, Arkansas.
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- This article, by Jim Gee of Arkansas Highway and Transportation Department,
presents a summary of experience of Superpave projects.
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- This article, by Maghsoud Tahmoressi of TxDOT,
presents a summary of experience of Superpave projects constructed in Texas
in 1997.
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- Meeting minutes of September 1997 meeting of the FHWA
Superpave Mixtures Expert Task Group.
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- This article, by Phil Blankenship of Koch Materials Company, presents a case for using rate of ESAL application rather than
total ESALs for the purpose of selecting Superpave mix designs.
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- This is a description of a study
that was conducted to better analyze the moisture susceptibility of
Superpave mixes.
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- This study describes a comparison
of the Superpave and Texas gyratory compactors for field control of HMA
production.
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- This article, by Tim Stone, describes a case study of a successful Superpave project in
north Texas.
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- This resolution, recently passed by AASHTO, outlines uniform Implementation
of Superpave.
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- This documents presents a summary of the technical sessions at the 1997 U.S. Hot Mix Asphalt Conference and Superpave Workshop in Phoenix, Arizona. It was prepared by Mr. Phillip Arena of the Louisiana Division of the Federal Highway Administration.
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- This is a discussion of the acceptance procedures and specification impacts on TxDOT and the binder industry.
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- By The American Association of State Highway and Transportation Officials (AASHTO)
Subcommittee on Materials Meeting.
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- This is
abstract is from a report by the Utah DOT; it describes the results of a QC/QA case study.
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- This article describes the activities of the AASHTO Lead States on
Superpave Implementation. It includes a survey of 1996/97 Superpave
projects and a listing of the Lead States pool of expertise.
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- The Bituminous Section of the Texas Department of Transportation, Materials and Tests Division, investigated some of the effects of using corrected back-calculated laboratory molded densities at Ndes, as used in the Superpave design procedure. This article is a brief summary of some of the interim findings of the investigation.
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- This article, prepared by the engineering staff of Asphalt Institute, describes the construction experience with Superpave projects constructed in 1996.
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- This is an abstract from a report by the Swiss Federal Laboratories for Materials Testing and Research. It describes a study characterizing binders recovered from a Swiss LTPP site using the Superpave binder tests.
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- This article describes the latest news from the FHWA's performance related test experiment at the Nevada Automotive Test Facility.
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This article, from the Florida DOT, describes a study to investigate the relationship between Superpave binder properties and conventional binder properties.
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- This article, written by Dr. Hussain U. Bahia, describes the research approach for NCHRP Project 9-10, Superpave Protocols for Modified Asphalt Binders.
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- This article, by Paul Mack of the New York DOT, offers guidance for implementation of Superpave by the AASHTO Lead States.
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- This article describes production of mineral aggregates for use in Superpave hot mix asphalt.
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- This article, by Phillip Blankenship of Koch Materials Company, discusses issues pertaining to Superpave mix design.
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- This article, by Gayle N. King of Koch Materials Company,
describes pertinent issues related to implementation and use of Superpave
binders.
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- This
article describes the method by which new Superpave Gyratory Compactors are evaluated for accuracy.
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- This article by Donald Steinke, Chief, FHWA Highway Operations Division, outlines various important issues pertaining to Superpave implementation.
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- This article, by John D'Angelo, presents the background and sources behind some of the
Superpave aggregate requirements.
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- This guideline was developed by the FHWA Superpave Mixtures Expert Task
Group and outlines the proper means for incorporating RAP in Superpave
mixtures.
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- Weng On-Tam was recently awarded the AAPT/Ward K. Parr Scholarship
from the Association of Asphalt Pavement Technologists.
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- A cautionary note from the FHWA Superpave Mixtures Expert Task Group pertaining to the use of rolling wheel rut testers.
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- This report summarizes the analysis
and evaluation of the use of PG graded asphalt for seal costs. This is an abstract of a research report suggesting a means of using
Superpave PG binders for seal coat applications.
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- The Texas Department of Transportation is moving to adopt the
requirements and nomenclature of the asphalt binders developed
for the Strategic Highway Research Program's Superpave design
system for hot-mixed asphalt concrete. This is an abstract of a research report describing test results that
classified common seal coat binders used in Texas in the Superpave PG system.
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- This item establishes a procedure for highway agencies to use for the evaluation of mixtures containing solid additives.
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- An editorial by Thomas W. Kennedy, Technical Director of the Superpave Asphalt Research Program.
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- The Superpave system gets a boost in South, Central America (reprinted by permission from January 1997Focus magazine.
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- Austin meeting focuses on updates, strategies
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- An update on Superpave activities in Arkansas, by Jim Gee of the Arkansas Highway and Transportation Department.
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- Resource and reference material assembled by TRB.
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- The Federal Highway Administration (FHWA) has contracted with the University of Maryland at
College Park for . . .
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- An article on WesTrack, the FHWA's hot-mix asphalt (HMA) performance related specification test facility in Nevada.
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- This article describes the proposed method that the Texas Department of Transportation will use to implement Superpave binders.
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- This memo from the FHWA defines the current issue of m value from different bending beam rheometers.
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- This update is based on information presented at the recent FHWA Superpave Mix ETG meeting and conversations with FHWA, Troxler, Pine, Heritage Research, and the other Superpave Centers.
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- AASHTO Task Force on SHRP Implementation headed by Bob Templeton of TxDOT has initiated a concept that promises to become a new wave in Technology implementation in coming years.
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- The quest to make The South Central Superpave Center a truly regional, state-shared center.
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- A description of the methodology of the Superpave gradation
requirements.
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- A list of proposed changes to standard and provisional AASHTO test procedures.
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- Superpave mix design incorporates minimum VMA requirements. This document
describes ways to increase VMA during Superpave mix design.
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- A discussion of the background and purpose of Superpave mix analysis.
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- A discussion of the history of the development of the Superpave gyratory compactor.
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- A description of the five Superpave Centers: their plans and activities for 1996, strategies for long term goals, and coordination with other State DOTs and the asphalt industry.
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- This article describes a rational approach to selection of PG binders for
low temperature performance.
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The results of a study conducted by the Colorado DOT on the effect
of specimen size on volumetric properties of Superpave gyratory compacted specimens.
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- The results of a study conducted within the Rocky Mountain Asphalt User
Producer Group pertaining to fine aggregate angularity.
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- A description of a mix design recently conducted at The South Central Superpave Center for a demonstration project in Louisiana.
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- A research project aimed at evaluating the ruggedness of AASHTO Method TP4, to determine whether tolerable variations in testing parameters and operator technique cause significant changes in test results.
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- Recent research conducted by the FHWA's Superpave Mixtures Expert Task Group
recommends changes to the Superpave short term aging protocol.
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© 1996 The Superpave Asphalt Research Program,
The University of Texas at Austin.