Current Issue

The current issue of the AAPT Journal is Volume 79 from the 2010 AAPT Annual Meeting. This journal is currently available for $150.00, which includes standard shipping. To purchase, send check or credit card info to:

Association of Asphalt Paving Technologists
6776 Lake Drive, Suite 215
Lino Lakes, MN 55014
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For more info, call 651-293-9188; or Fax 651-293-9193

There were several significant printing errors on the printed version of Volume 79. This was due to file conversion problems at the printer, and it affected several graphs and a few equations and tables in the papers noted in the Errata for Volume 79. The CD in the back of the book contains the correct papers. Please print the errata and affix it inside your copy of the proceedings. If you would like us to send you a hard copy, please contact the office and we will send one to you.

Volume 79 Table of Contents

Technical Sessions

Evaluation of Rigden Fractional Voids Test Method and the Relation to Mastic Viscosity
Ahmed F. Faheem, Hussain U. Bahia, Shih-Hsien Yang, and Imad Al-Qadi ………..1

Fatigue Performance Prediction of North Carolina Mixtures Using the
Simplified Viscoelastic Continuum Damage Model
Tian Hou, B. Shane Underwood, Y. Richard Kim ………………………………….35

Relationship Between Ideal and Practical Work of Fracture: Background and Experimental Results
Eyad Masad, Jonathan Howson, Amit Bhasin, Silvia Caro, and Dallas Little………..81

Investigation of Strain Tolerant Mixture Reflective Crack Relief Systems: An Integrated Approach
Eshan V. Dave, Sarfraz Ahmed, William G. Buttlar, Jason Bausano, Todd Lynn ….119

Asphalt Concrete Cracking Device to Evaluate Low Temperature Performance of HMA
Sang-Soo Kim, Andrew Warg, and David Power……………………………………157

The Use of Volume Increase Ratio on Dense-Graded Mixtures
Gary O. Thompson…………………………………………………………………...189

Probabilistic Modeling of the Effect of Air Voids on the Mechanical Performance
of Asphalt Mixtures Subjected to Moisture Diffusion
Silvia Caro, Eyad Masad, Amit Bhasin, Dallas Little, Mauricio Sanchez-Silva…….221

Characteristics of the Loading Pulse for the Flow Number Performance Test
Elie Y. Hajj, Alvaro Ulloa, Raj Siddharthan, Peter E. Sebaaly………………………253

Evaluation of Bending Beam Rheometer for Characterization of Asphalt Mixtures
Raul Velasquez, Mihai Marasteanu, Joseph Labuz, and Mugurel Turos ……………295

Developing Master Curve Predictive Equation Models for Local Conditions: A Case Study for Hawaii
Adrian R. Archilla……………………………………………………………………325

Mechanistic Design of Silent Asphalt Mixtures and its Validation
M. Huurman, L.T. Mo, M.F. Woldekidan……………………………………………365

Laboratory Evaluation of Sulfur-Modified Warm Mix …………………………403
Adam Taylor, Nam Tran, Richard May, David Timm, Mary Robbins, Buzz Powell

Fracture Properties of Gap & Dense Graded Thin Bonded Overlays
Sarfraz Ahmed, Eshan V. Dave, William G. Buttlar, and Marvin K Exline …….443

Estimating Allowable RAP in Asphalt Mixes to Meet Target Low Temperature PG Requirements
Tao Ma, Hussain U. Bahia, Enad Mahmoud , Eli Y. Hajj………………………..473

Laboratory Investigation of HMA Modulus, Flow and Flexural Fatigue on Samples of Varying Density
Phillip B. Blankenship, R. Michael Anderson……………………………………497

Endurance Limit of Hot Mix Asphalt Mixtures to Prevent Bottom-Up Fatigue Cracking
Brian D. Prowell, E. Ray Brown, R. Michael Anderson, Shihui Shen, Samuel H. Carpenter ……………519

Development of Stochastic Perpetual Pavement Design Criteria
J. Richard Willis, David H. Timm ………………………………………………..561

Advanced Asphalt Overlay Thickness Design and Analysis System
Fujie Zhou, Sheng Hu, and Tom Scullion…………………………………………597

Statistical Analysis of Critical Input Parameters in Mechanistic Empirical Pavement Design Guide
Senthilmurugan Thyagarajan, Nadarajah Sivaneswaran, Balasingam Muhunthan and Katherine Petros………635

SYMPOSIUM – Polyphosphoric Acid Modification

Why and How of Polyphosphoric Acid Modification – An Industry Perspective
Gaylon Baumgardner …………………………………………………………….663

Effect of Poly Phosphoric Acid on Asphalt Binder Properties
John D’Angelo …………………………………………………………………..679

Analytical Procedures for Determining Phosphorus Content in Asphalt Binders and
Impact of Aggregate on Quantitative Recovery of Phosphorus from Asphalt Binders
Gerry Reinke, Stacey Glidden …………………………………………………..695

PPA Modified Binders and Mixtures: Aggregate and Binder Interactions,
Rutting and Moisture Sensitivity of Mixtures
Gerald Reinke, Stacy Glidden, Doug Herlitzka, Scott Veglahn …………………719

Polyphosphoric Acid Binder Modification
Enrique Romagosa, Rene Maldonado, Darrell Fee, Raj Dongré, Gerald Reinke ………………………743

Polyphosphoric Acid in Combination with Styrene-Butadiene-Styrene
Block Copolymer – Laboratory Mixture Evaluation
Thomas Bennert, Jean-Valery Martin ……………………………………….....773

Case Study: Implementation of Polyphosphoric Acid Modification of
Asphalt Binders and Related Experience
Robert McGennis ………………………………………………………………793

Author’s Instructions……………………………………………………………..817

List of Award Winners …………………………………………………………. 819

List of Officers ……………………………………………………………….. .. 825

Index of Authors and Discussors ………………………………………………. 829

CD Table of Contents

AAPT List of Members

Constitution and By Laws

Several of the PowerPoint Presentations of Papers Presented at
2010 Annual Meeting (including Symposium Presentations)

2010 Annual Meeting Pictures