2012 Annual Meeting

87th AAPT Annual Meeting and Technical Sessions
The 2021 Annual Meeting will be held at the OMNI Downtown hotel in Austin, Texas on April 1-4, 2012.

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• For hotel group reservations click here.
• For hotel government rate reservations click here.

Download the sponsoship flyer.

Agenda

Download agenda with abstracts included here.

Sunday, April 1, 2012

1:00-2:00 pm

AAPT Business Meeting – Part I

2:00-5:00 pm

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

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

Renewable Fuel Byproducts -- Potential Uses in Asphalt
Jeffrey C. Trewella, Ramon Bonaquist, Vicente Sanchez

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

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

5:30-7:00 pm

Ice Breaker Reception - including Poster Session

Monday, April 2, 2012

7:00-8:30 am

New Member Breakfast - including Poster Session

8:30-10:00 am

Welcoming Address: Harold Mullen – TxAPA
John Barton - TxDOT
Keynote Address: TBD
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

Characterizing Viscoelastic Properties of Asphalt Mixtures Utilizing Loaded Wheel Tester (LWT)
Hao Wu, Baoshan Huang and Xiang Shu

11:30 am - 1:00 pm

Authors Lunch
All authors/presenters including Symposium and International 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

Development of Fracture Energy Based Interface Bond Test for Asphalt Concrete
Salman Hakimzadeh, William G. Buttlar, Sarfraz Ahmed, Marvin Exline, Nathan Abay Kebede

2:30-5:00 pm

International Forum
Delmar Salomon

Evolution and Direction of Asphalt Specifications and Research in Latin America

Tuesday, April 3, 2012

7:00-8:30 am

Past Presidents Breakfast

8:30 am -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

Analysis of FHWA ALF Fatigue Data a Using Continuum Damage Approach
Donald W. Christensen, Jr. and Ramon Bonaquist

Modeling and Evaluation of the Semi-Circular Bending Test for Intermediate Temperature Cracking of Asphalt Mixtures Mostafa Elseifi, Louay N. Mohammad, Hao Ying, and Samuel Cooper III

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

Measured and Predicted Performance Impacts from Reduced Design Gyrations
Nelson Gibson, Xinjun Li

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, Ayesha Shah, Gerald A. Huber and Audrey Copeland

Performance Characteristics of Plant Produced High RAP Mixtures
Walaa S. Mogawer, Thomas Bennert, Jo Sias Daniel, Ramon Bonaquist, Alexander Austerman, Abbas Booshehrian

Recommendations for the Characterization of RAP Aggregate Properties Using Traditional Testing and Mixture Volumetrics
Elie Y. Hajj, Peter E. Sebaaly, Randy West, Nathan Morian, Luis Loria

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

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

The Effect of Loose Mix Aging on the Performance of Warm Asphalts
Thomas M. Clements, Phillip B. Blankenship, Kamyar C. Mahboub

1:30-5:00 pm

Session V Binder/Mix
James Moulthrop; Moderator, Andrew Braham

GB5 Mix Design: High-Performance & Cost-Effective Asphalt Concretes By Use of Gap-Graded Curves & SBS Modified Bitumens
François Olard

Laboratory Evaluation of High Polymer Plant-Produced Mixtures
J. Richard Willis, Adam Taylor; Nam H. Tran, Bob Kluttz, David H. Timm

Relationship between Bond Energy and Total Work of Fracture for Asphalt Binder-Aggregate Systems
Jonathan Howson, Eyad Masad, Dallas Little, Emad Kassem

Measuring Physico-Chemical Interaction in Mastics Using Glass Transition
Cristian Clopotel, Raul Velasquez, and Hussain Bahia

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

For Publication Only
Delayed mechanical response in modified asphalt binders - Characteristics, modeling and engineering implications
Filippo Merusi

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.