2012 Annual Meeting

87th AAPT Annual Meeting and Technical Sessions
The 2012 Annual Meeting was held at the OMNI Downtown hotel in Austin, Texas on April 1-4, 2012.

Click here for the 2012 Meeting Summary.

Click here to access to preprint papers.

Download the sponsorship flyer.

 

 

 

Agenda

Download agenda with abstracts included here.

Sunday, April 1, 2012

1:00-2:00PM

AAPT Business Meeting – Part I

2:00-5:00PM

Leading Edge Workshop – Ramon Bonaquist, Moderator Andrew Hanz
“Sustainable Technologies for Flexible Pavements”

Laboratory and Field Evaluation of Sustainable Photocatalytic Asphalt Pavements
Marwa Hassan, Louay N. Mohammad, Heather Dylla, Somayeh Asadi, and Sam Cooper III; Louisiana State University

Renewable Fuel Byproducts -- Potential Uses in Asphalt
Jeffrey C. Trewella, PetroTech Consultants; Ramon Bonaquist, Advanced Asphalt Technologies;
Vicente Sanchez, KiOR, Inc.

Rutting Characterization of Warm Mix Asphalt and High RAP Mixtures
Adriana Vargas-Nordcbeck, David H. Timm; Auburn University

Evaluation of Laboratory Coating and Compaction Procedures for Cold Mix Asphalt
Daniel Swiertz, Petrina Johannes, Laith Tashman, and Hussain Bahia; University of WI - Madison

5:30-7:00PM

Ice Breaker Reception
Including the Poster Session

 

Monday, April 2, 2012

7:00-8:30 am

New Member Breakfast

8:30-10:00 am

Welcoming Address:
Harold Mullen – TxAPA
John Barton - TxDOT
Keynote Address: Peter Grass, Asphalt Institute
AAPT Business Meeting – Part II

Membership Drive – Bob McGennis
Strategic Plan Discussion

10:15am-11:30am

Session I Rutting – Rebecca McDaniel, Moderator Jo Daniel
Internal Structure Characterization of Asphalt Mixtures for Rutting Performance Using Imaging Analysis
Nima Roohi Sefidmazgi, Laith Tashman, and Hussain U. Bahia: University of WI - Madison

Characterizing Viscoelastic Properties of Asphalt Mixtures Utilizing
Loaded Wheel Tester (LWT)
Hao Wu, Central South University; Baoshan Huang and Xiang Shu, The University of Tennessee

11:30-1:00PM

Authors Lunch – all authors/presenters including Symposium and Intl Forum presenters

1:00-2:15 PM

Session II Layer Bond
Brian Prowell, Moderator Chris Abadie

Effects of Interface Condition Characteristics on Open-Graded Friction
Course Top-Down Cracking Performance
Yu Chen, Gabriele Tebaldi, Reynaldo Roque, and George Lopp; University of Florida

Development of Fracture Energy Based Interface Bond Test for Asphalt Concrete
Salman Hakimzadeh, William G. Buttlar, Sarfraz Ahmed, Marvin Exline, Nathan Abay Kebede; University of Illinois at Urbana-Champaign

2:30-5:00 PM

International Forum – Delmar Salomon
“Evolution and Direction of Asphalt Specifications and Research In Latin America”

Asphalt Technology in Chile: Leading Research and Practice
Rodrigo Delgadillo, Universidad Técnica Federico Santa María

Recent Evolution of Asphalt Specifications and Research in Brazil
Jorge Barbosa Soares, Universidad Federal de Ceara

New asphalt pavement protocol and trends for road design in Mexico
Raymundo Rodriguez, Quimikao, Guadalajara, Mexico

Asphalt Specifications and Research Challenges in Colombia
Silvia Caro, Universidad de Los Andes, Bogota, Colombia

Advances in Asphalt Research and Specifications in Central America
Luis Loria , Lanamme, Universidad de Costa Rica, San Jose, Costa Rica

5:00-6:00PM

Poster Session Judging

 

Tuesday, April 3, 2012

7:00-8:30 AM

Past President’s Breakfast

8:30-12:00 Noon

Session III Fatigue and Cracking – Hussain Bahia; Moderator Nathan Morian
Investigation of Size Effect in Asphalt Mixtures at Low Temperatures
Eyoab Zegeye, Mugur Turos, Jia-Liang Le, and Mihai Marasteanu; University of Minnesota

Modeling of Fatigue Damage Functions for Hot Mix Asphalt and Application to Surface Cracking
Donald W. Christensen, Jr. and Ramon Bonaquist; Advanced Asphalt Technologies

Modeling and Evaluation of the Cracking Resistance of Asphalt Mixtures Using the Semi-Circular Bending Test at Intermediate Temperatures
Mostafa Elseifi, Louay N. Mohammad, Hao Ying, and Samuel Cooper III; Louisiana State University

Predictive Relationships for HMA Fracture Properties Based on Mixture Component Characteristics
Sanghyun Chun, Jian Zou, Reynaldo Roque, and George Lopp; University of Florida

Measured and Predicted Performance Impacts from Reduced Design Gyrations
Nelson Gibson, Xinjun Li; Turner-Fairbank Highway Research Center

1:30-5:00 PM

Symposium Session
“Trends and Challenges in Production and Construction of HMA”
Hussain Bahia/Brian Prowell

 

Wednesday, April 4, 2012

8:30-12:00 PM

Session IV RAP–Rey Roque; Moderator, Stacey Diefenderfer
Effects of Reclaimed Asphalt Pavement Content and Virgin Binder Grade on Properties of Plant Produced Mixtures
Rebecca S. McDaniel and Ayesha Shah, North Central Superpave Center, Purdue University; Gerald A. Huber, Heritage Research Group; Audrey Copeland, Turner-Fairbank Highway Research Center

Performance Characteristics of Plant Produced High RAP Mixtures
Walaa S. Mogawer, University of Massachusetts Dartmouth; Thomas Bennert, Rutger’s University; Jo Sias Daniel, University of New Hampshire; Ramon Bonaquist, Advanced Asphalt Technologies; Alexander Austerman and Abbas Booshehrian, University of Massachusetts Dartmouth

Recommendations for the Characterization of RAP Aggregate Properties Using Traditional Testing and Mixture Volumetrics
Elie Y. Hajj, Peter E. Sebaaly, University of Nevada, Reno; Randy West, National Center for Asphalt Technology; Nathan Morian, NV DOT; Luis Loria, Universidad de Costa Rica

Successful High RAP Mixes Designed with Balanced Rutting and Cracking Requirements
Fujie Zhou, Sheng Hu, Gautam Das, Tom Scullion, Texas Transportation Institute; Robert Lee, German Claros, TX DOT

Laboratory Evaluation of Asphalt Mixtures Containing Dry Added Ground Tire Rubber and a Processing Aid
Gaylon L. Baumgardner, J. Michael Hemsley, Walter Jordan III, Paragon Technical Services; Isaac L. Howard, Mississippi State University

The Effect of Loose Mix Aging on the Performance of Warm Asphalts
Thomas M. Clements, Kentucky Transportation Cabinet; Phillip B. Blankenship, Asphalt Institute; Kamyar C. Mahboub, University of Kentucky

1:30-5:00 PM

Session V Binder/Mix – James Moulthrop; Moderator, Andrew Braham
GB5 Mix Design: High-Performance & Cost-Effective 1 Asphalt Concretes By Use of Gap-Graded Curves & SBS Modified Bitumens
François Olard, EIFFAGE Travaux Publics

Laboratory Evaluation of High Polymer Plant-Produced Mixtures
J. Richard Willis, Adam Taylor; Nam H. Tran, National Center for Asphalt Technology ; Bob Kluttz, Kraton Polymers; David H. Timm; Auburn University

Relationship between Bond Energy and Total Work of Fracture for Asphalt Binder-Aggregate Systems
Jonathan Howson, Eyad Masad, Dallas Little, Texas A&M University; Emad Kassem, Texas Transportation Institute

Measuring Physico-Chemical Interaction in Mastics Using Glass Transition
Cristian Clopotel, Raul Velasquez, and Hussain Bahia; University of WI - Madison

Development of a Compact Laboratory Aging Procedure for Asphalt Binders
Iliya Yut, Alexander Bernier and Adam Zofka; University of Connecticut

Delayed mechanical response in modified asphalt binders - Characteristics, modeling and engineering implications
Filippo Merusi, University of Parma

President Dave Newcomb is encouraging all members to contact potential new members and request them to apply for membership. They can apply for membership on the AAPT website on the MEMBERSHIP page.