Articles

A Case Study to Evaluate the Effect of CBp Modification on G*/Sin(Delta) (PDF)

Design of Toner Modifications for the Houston, Loredo, Pharr, and Bryan Demonstration Projects (PDF)

Binder Designs for the Toner-Modified Asphalt Demonstration Projects (PDF)

4061-2: Performance Evaluation of Hot and Cold Pour Crack Sealing Treatments on Asphalt Surfaced Pavements (PDF)

3933-01-Imp1: Binder Designs for the Toner-Modified Asphalt Demonstration Projects (PDF)

Summary of Crack Sealing Techniques in the United States

1250 Project Research Reports

1250-1 Effect of Reclaimed Asphalt Pavement on Binder Properties Using the Superpave System (PDF)
1250-2 The South Central Superpave Center: Report of Activites (PDF)
1250-3 Evaluation of Superpave Gyratory Compactors (PDF file)
1250-5 Mixing and Compaction Temperatures for Hot Mix Asphalt Concrete (PDF)
1250-S The South Central Superpave Center Summary Report (PDF)

Elastic Recovery Testing in Oklahoma

By Ken Hobson, Bituminous Branch Manager, Oklahoma DOT (draft of article published by Asphalt Contractor magazine, November 1999.

All PDFs of all Superpave Newsletters (at the North Central Superpave Center Website): 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.

Superpave Binder Implementation: The 1999 Lead State Survey: 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.

South Central Superpave Newsletter: 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.

National Superpave Newsletter: 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.

Mixing and Compaction Temperatures for Modified Asphalt Binders: 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.

Dr. Thomas W. Kennedy honored for studies with asphalt: 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)

Static Creep Behavior of Superpave Mixes: 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.

Superpave Specifications for Surface Treatments?: 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.

Superpave and Texas Gyratory Compactors: How Do They Compare?: 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.

Update of Design Number of Gyrations: 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.

Asphalt Technology Conference of the Americas: 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."

Superpave on Loop 396 with Toner Modified Asphalt: This document, written by Mansour Solaimanian, Project Manager of the Superpave Asphalt Research Program, discusses Superpave used as an overlay mix containing waste toner.

Superpave Lead State Recommendations: 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.

The Importance of Quality Management of Asphalt Concrete Production: Manitoba's experience, related by Doug Fisher, Manager, Engineering Audit & Quality Assurance for The Province of Manitoba, Highways & Transportation.

FHWA SUPERPAVE Mixture Expert Task Group: Minutes from the meeting held March 10-11, 1998, in Orlando, Florida.

Evaluation of Various Superpave Gyratory Compactors: 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.

AHTD's Experience with Superpave Pavement Permeability: 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.

Summary of Superpave Projects in Arkansas: This article, by Jim Gee of Arkansas Highway and Transportation Department, presents a summary of experience of Superpave projects.

Summary of TxDOT Superpave Projects Constructed in 1997: This article, by Maghsoud Tahmoressi of TxDOT, presents a summary of experience of Superpave projects constructed in Texas in 1997.

FHWA Superpave Mixtures Expert Task Group: Meeting minutes of September 1997 meeting of the FHWA Superpave Mixtures Expert Task Group.

Proper Design ESAL Selection Is Critical for Superpave Mix Design Success: 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.

A Test Method For Identifying Moisture Susceptible Asphalt Concrete Mixes: This is a description of a study that was conducted to better analyze the moisture susceptibility of Superpave mixes.

Comparative Analysis Of Superpave Gyratory Compactors and TxDOT Gyratory Compactors: This study describes a comparison of the Superpave and Texas gyratory compactors for field control of HMA production.

Production and Placement of Superpave Hot Mix Asphaltic Concrete Pavement: This article, by Tim Stone, describes a case study of a successful Superpave project in north Texas.

Resolution SCOH-97 AM-1 (AASHTO Resolution): Uniform Implementation of SHRP Superpave: This resolution, recently passed by AASHTO, outlines uniform Implementation of Superpave.

1997 U.S. Hot Mix Asphalt Conference and Superpave Workshop: This 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.

The Status of Superpave Binder Implementation: This is a discussion of the acceptance procedures and specification impacts on TxDOT and the binder industry.

Roundtable Discussion on Superpave: By The American Association of State Highway and Transportation Officials (AASHTO) Subcommittee on Materials Meeting.

QC/QA project in Utah: This is abstract is from a report by the Utah DOT; it describes the results of a QC/QA case study.

AASHTO Task Force on SHRP Implementation 1996 Superpave Implementation: 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.

Investigation of Correction Factors in Back-Calculation of Density Using the Superpave Gyratory Compactor: 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.

Superpave Projects Review of Construction Experience: This article, prepared by the engineering staff of Asphalt Institute, describes the construction experience with Superpave projects constructed in 1996.

Evaluation of Recovered Binders from Swiss LTPP-Sections with Superpave Binder Tests: 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.

What is Happening at WesTrack: This article describes the latest news from the FHWA's performance related test experiment at the Nevada Automotive Test Facility.

Development of Relationships Between SHRP Asphalt Test Parameters and Structural Mixtures for Mechanistic Analysis and Rehabilitation Design of Flexible Pavement: This article, from the Florida DOT, describes a study to investigate the relationship between Superpave binder properties and conventional binder properties.

Superpave Protocols for Modified Asphalt Binders: This article, written by Dr. Hussain U. Bahia, describes the research approach for NCHRP Project 9-10, Superpave Protocols for Modified Asphalt Binders.

AASHTO Lead State Guidance on Superpave Implementation: This article, by Paul Mack of the New York DOT, offers guidance for implementation of Superpave by the AASHTO Lead States.

Aggregate Production For Superpave HMA: This article describes production of mineral aggregates for use in Superpave hot mix asphalt.

Experiences with Superpave Volumetric Mix Designs: This article, by Phillip Blankenship of Koch Materials Company, discusses issues pertaining to Superpave mix design.

Progress with the Performance Graded (PG) Specification for Asphalt: This article, by Gayle N. King of Koch Materials Company, describes pertinent issues related to implementation and use of Superpave binders.

Protocol for Evaluation of Superpave Gyratory Compactors: This article describes the method by which new Superpave Gyratory Compactors are evaluated for accuracy.

Implementing Strategic Highway Research Program Superpave Technology: This article by Donald Steinke, Chief, FHWA Highway Operations Division, outlines various important issues pertaining to Superpave implementation.

Superpave and Aggregate Properties: Where Did They Come From?: This article, by John D'Angelo, presents the background and sources behind some of the Superpave aggregate requirements.

Guidelines for the Design of Superpave Mixtures Containing Reclaimed Asphalt Pavement (RAP): This guideline was developed by the FHWA Superpave Mixtures Expert Task Group and outlines the proper means for incorporating RAP in Superpave mixtures.

Use of Rolling Wheel Rut Testers: A cautionary note from the FHWA Superpave Mixtures Expert Task Group pertaining to the use of rolling wheel rut testers.

The Use of Superpave PG Grading System for Selecting Asphalt Binders for Seal Coats: 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.

Performance-Based Seal Coat Asphalt Specifications: 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.

Evaluation and Quality Control of Asphalt Mixture Additives: This item establishes a procedure for highway agencies to use for the evaluation of mixtures containing solid additives.

The Bottom Line: The Superpave System Works: An editorial by Thomas W. Kennedy, Technical Director of the Superpave Asphalt Research Program.

Latin American/U.S. Asphalt Technical Conference: The Superpave system gets a boost in South, Central America (reprinted by permission from January 1997Focus magazine.

Meeting at SCSC by members of the Superpave Advisory Committee: Austin meeting focuses on updates, strategies

Implementing Superpave in Arkansas: An update on Superpave activities in Arkansas, by Jim Gee of the Arkansas Highway and Transportation Department.

Publications for reference: Resource and reference material assembled by TRB.

Superpave Models Update: The Federal Highway Administration (FHWA) has contracted with the University of Maryland at College Park for . . .

What is happening at WesTrack, and what does it mean for the future?: An article on WesTrack, the FHWA's hot-mix asphalt (HMA) performance related specification test facility in Nevada.

Proposed TxDOT Superpave Binder Implementation Plan: This article describes the proposed method that the Texas Department of Transportation will use to implement Superpave binders.

Superpave Binder Testing (m value): This memo from the FHWA defines the current issue of m value from different bending beam rheometers.

AASHTO - Superpave Lead State Team: 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.

P.E. Katherine Holtz welcomes new Superpave center: The quest to make The South Central Superpave Center a truly regional, state-shared center.

Superpave Evaluation of Gradation: A description of the methodology of the Superpave gradation requirements.

Suggested Changes to Tests in Superpave Mix Design: A list of proposed changes to standard and provisional AASHTO test procedures.

How to Increase Voids in Mineral Aggregate: Guidelines to Increase VMA of Superpave Mixtures: Superpave mix design incorporates minimum VMA requirements. This document describes ways to increase VMA during Superpave mix design.

What is Performance Based Property?: A discussion of the background and purpose of Superpave mix analysis.

Development of the Superpave Gyratory Compactor: A discussion of the history of the development of the Superpave gyratory compactor.

Superpave Regional Centers: 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.

Superpave Binder Selection for Low Temperature Performance: This article describes a rational approach to selection of PG binders for low temperature performance.

Comparison of 100 and 150 mm Specimens in the Superpave Gyratory Compactor: The results of a study conducted by the Colorado DOT on the effect of specimen size on volumetric properties of Superpave gyratory compacted specimens.

Fine Aggregate Angularity Research in the Rocky Mountain Region: The results of a study conducted within the Rocky Mountain Asphalt User Producer Group pertaining to fine aggregate angularity.

Superpave Mix Design for Interstate 10 in Louisiana: A description of a mix design recently conducted at The South Central Superpave Center for a demonstration project in Louisiana.

Ruggedness Evaluation of AASHTO TP4 - The Superpave Gyratory Compactor: 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.

Update on Superpave Short Term Aging: Recent research conducted by the FHWA's Superpave Mixtures Expert Task Group recommends changes to the Superpave short term aging protocol.