Conference Presentations

Since 2021

  1. Gulzar, S.,  Xue, J. Preciado, A. Fried, C. Castorena, B.S. Underwood, J. Habbouche, and I. Boz (2024). “Understanding the Impact of Aging and Rejuvenation on Asphalt Binder Fatigue Characteristics: An LAS-Test Based Performance Indices Analysis,” 103rd Annual Meeting of the Transportation Research Board, Washington D.C., January 2024.
  2. Isied, M.,  Mocelin, J. Preciado, P. Vestana, B.S. Underwood, Y.R. Kim, and C. Castorena (2024). “Mechanical Properties and Performance of High Recycled Content Mixtures Designed Using Alternative Approaches,” 103rd Annual Meeting of the Transportation Research Board, Washington D.C., January 2024.
  3. Fried, A., Boz, J. Preciado, S. Gulzar, B.S. Underwood, J. Habbouche, and C. Castorena (2024). “Evaluation of Alternative Approaches to Restore the Rheology of Recycled Binders,” 103rd Annual Meeting of the Transportation Research Board, Washington D.C., January 2024.
  4. Othman, O., B.S. Underwood, J. Habbouche, I. Boz, and S.D. Diefenderfer (2024). “Assessment of Conventional and Engineered Surface Asphalt Mixtures through Empirical and Fundamental Performance Tests”, 103rd Annual Meeting of the Transportation Research Board, Washington D.C., January 2024.
  5. Preciado, J.,  Gulzar, C. Castorena, B.S. Underwood, J. Habbouche, and I. Boz (2024). “Performance Assessment of High RAP Asphalt Mixtures with Recycling Agents,” 103rd Annual Meeting of the Transportation Research Board, Washington D.C., January 2024.
  6. Elma. T. A. and B.S. Underwood (2024). “Evaluation of Climate Change Impact on Asphalt Pavement in Arizona.” 103rd Annual Meeting of the Transportation Research Board, Washington D.C., January 2024.
  7. Karanam, G. D. and B.S. Underwood (2024). “Bayesian Method for Integrating Spatial Dependencies into Flexible Pavement Performance Modeling,” 103rd Annual Meeting of the Transportation Research Board, Washington D.C., January 2024.
  8. Goenaga, B.,A. Sabillon-Orellana, B. Munywoki, B.S. Underwood, and J. Prozzi (2023). “Evaluation of Texture Indexes Isotropy and 2D-3D Equivalency,” 103rd Annual Meeting of the Transportation Research Board, Washington D.C., January 2024.
  9. Salehfard, R., Yeganeh, D. Dalmazzo, B.S. Underwood, E. Santagata (2024). “Chemical Structure to the Linear and Nonlinear Properties of Asphalt Binders,” 103rd Annual Meeting of the Transportation Research Board, Washington D.C., January 2024.
  10. Isied, M.,  Williams, N. Saleh, K. Kuchiishi, B.S. Underwood, and Y.R. Kim. (2024). “Mechanical Properties and Performance for Mixtures of the Same Classification,” 103rd Annual Meeting of the Transportation Research Board, Washington D.C., January 2024.
  11. Othman, O., B.S. Underwood, J. Habbouche, I.Boz, and S. Diefenderfer (2023). “Assessing VDOT’s BMD Procedures by Evaluating Typical Virginia Mixtures with Multiple Empirical and Fundamental Performance Tests,” Association of Asphalt Paving Technologists, San Diego, CA, September, 2023.
  12. Kuchiishi, K. and B.S. Underwood (2023). “Development of a Temperature- and Frequency-Dependent Failure Criterion for the Fatigue Cracking Modeling of Asphalt Mixtures,” Association of Asphalt Paving Technologists, San Diego, CA, September, 2023. ^.
  13. Gulzar, S. and B.S. Underwood (2023). “Use of Time-Temperature Shift Factors for Waveform-Based Viscoelastic Measures in Asphalt Binder Systems,” 2023 ASCE Engineering Mechanics Institute Conference, Atlanta, Georgia, June 2023
  14. Gulzar, S., Fried, J. Preciado, B.S. Underwood, and C. Castorena (2023). “Rheological Modeling of Recycled Asphalt Binder Blends as Fluid Mixtures,” 2023 ASCE Engineering Mechanics Institute Conference, Atlanta, Georgia, June 2023
  15. Saleh, N.F., B.S. Underwood, Y.R. Kim, and M. Corrigan (2023). “Overview of Asphalt Mixture Performance-Related Specifications Using Index- and Performance-Volumetrics Relationships,” Advances in Materials and Pavement Performance Prediction, Hong Kong, May 2023.
  16. Goenaga, B., B.S. Underwood, Castorena C., and Rogers P. (2023). “Texture Performance Models for North Carolina’s Primary Road Network,” 34th Annual Meeting of the Road Profiler User’s Group, St Louis, Illinois, May 2023.
  17. Gulzar, S. and B.S. Underwood (2023). “Use of Time-Temperature Shift Factors for Waveform-Based Viscoelastic Measures in Asphalt Binder Systems,” 2023 ASCE Engineering Mechanics Institute Conference, Atlanta, Georgia, June 2023
  18. Gulzar, S., Fried, J. Preciado, B.S. Underwood, and C. Castorena (2023). “Rheological Modeling of Recycled Asphalt Binder Blends as Fluid Mixtures,” 2023 ASCE Engineering Mechanics Institute Conference, Atlanta, Georgia, June 2023
  19. Karanam, G.D. and B.S. Underwood (2023). “Using Pavement Management System Data to Detect Accelerated Pavement Deterioration due to Flooding,” 2023 North Carolina Research and Innovation Summit, Raleigh, NC, March 2023.
  20. Matini, N., S. Andanje, B.S. Underwood, and B. Montoya (2023). “”Improving Resilience of Transportation Infrastructure to Hurricane Damage,” 2023 North Carolina Research and Innovation Summit, Raleigh, NC, March 2023. ^.
  21. Preciado, J., Gulzar, A. Fried, B.S. Underwood, C. Castorena, J. Habbouhe, and I. Boz (2023). “Benchmarking Recycled Binder Blends Using Statistical Analysis,” 2023 North Carolina Research and Innovation Summit, Raleigh, NC, March 2023.
  22. Goenaga, B., B.S. Underwood, C. Castorena, and T. Nye (2023). “Safety Effect of Traffic Reductions,” 2023 North Carolina Research and Innovation Summit, Raleigh, NC, March 2023.
  23. Karanam, G.D. and B.S. Underwood (2023). “Using Pavement Management System Data to Detect Accelerated Pavement Deterioration due to Flooding,” 2023 North Carolina Research and Innovation Summit, Raleigh, NC, March 2023.
  24. Ding, J., B.S. Underwood, and Y.R. Kim (2023). “Using Uncertainty Quantification to Evaluate Repeatability of Simplified Viscoelastic Continuum Damage (S-VECD) Model Characterization,” 2nd Data Science in Pavement Symposium, Virtual, March 2023.
  25. Ding, J., J. Jeong, K.G. Lee, B.S. Underwood, Y.R. Kim, and C. Castorena (&) (2023). “Repeatability and Reproducibility Analysis for Functional Test Results from Asphalt Mixture Performance Tester (AMPT) Cyclic Fatigue Test,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  26. Karanam, G.D. and B.S. Underwood (2023). “Mechanical Characterization and Performance Prediction of Fiber-Modified Asphalt Mixes,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  27. Karanam, G.D.,Goenaga, and B.S. Underwood (2023). “Quantifying Uncertainty with Pavement Performance Models: Comparing Bayesian and Non-Parametric Methods,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  28. Goenaga, B., B.S. Underwood, C. Castorena, and Rogers (2023). “Early Friction and Texture Evolution after an Asphalt Overlay,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  29. Goenaga, B., B.S Underwood, C. Castorena, and Rogers (2023). “Friction and Texture Prediction after an Asphalt Overlay,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  30. Mocelin, D.M., Isied, M.C. Aparico, A. Kusam, B.S. Underwood, Y.R. Kim, and C. Castorena (2023). “Laboratory Performance Evaluation of Alternative Approaches to Incorporate Recycled Binder Availability in Mixture Design Procedures,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  31. Underwood, B.S. (2023). “Evaluation of Climate Input Issues in Pavement Performance Modeling,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  32. Rocha, M.L., F.T.S. Aragao, L.A.H. Nascimento, and B.S. Underwood (2023). “A Balanced Mixture Design Framework for Asphalt Mixtures Based on Indices and Performance,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  33. Sousa, T.D., A.J. Enriquez-Leon, M.L. Rocha, P.H. Osmari, F.T.S. Aragao, A.M.B. Pereira, and B.S. Underwood (2023). “A Criterion to Select the Maximum Aggregate Size of Fine-Aggregate Asphalt Matrices,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  34. Kuchiishi, A.K., C. Castorena, Y.R. Kim, and B.S. Underwood (2023). “Ruggedness Evaluation of Dynamic Modulus Test using Small-Scale Test Specimens for Asphalt Mixture Performance Tester (AMPT),” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  35. Preciado, J., Gulzar, A. Fried, C. Castorena, B.S. Underwood, J. Habbouche, and I. Boz (2023). “A Framework to Evaluate Recycling Agents based on Low-Temperature Rheological Performance,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  36. Preciado, J., Gulzar, A. Fried, J. Habbouche, I. Boz, C. Castorena, and B.S. Underwood, (2023). “Benchmarking Recycled Binder Blends using Statistical Analysis: A Case Study of Virginia and North Carolina,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  37. Isied, M. and B.S. Underwood (2023). “Developing an Artificial Neural Network-Based Mathematical Model for the Prediction of the Superpave Optimum Asphalt Content,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  38. Saleh, N., B.S. Underwood, Y.R. Kim (2023). “Case Studies of Asphalt Pavements Quality Assurance Specifications, Performance-Related Specifications, and Performance-Based Specifications,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  39. Ding, J and B.S. Underwood (2023). “Differentiating Asphalt Mixtures by Fatigue Performance Incorporating Uncertainty Quantification of Simplified Viscoelastic Continuum Damage (S-VECD) Model,” 102nd Annual Meeting of the Transportation Research Board, Washington D.C., January 2023.
  40. Underwood, B.S. (2022). “North Carolina & Virginia Joint Rejuvenator Study,” Mid-Atlantic Asphalt Expo and Conference, Richmond VA, December 2022.
  41. Samu, V., M.N. Guddati, and B.S. Underwood (2022). “Surface Wave Testing of Inverted Pavements,” 4th Structural Integrity Conference and Exhibition, Hyderabad, India, December 2022.
  42. Samu, V., M.N. Guddati, and B.S. Underwood (2022). “Surface Wave Testing of Inverted Pavements,” International Symposium on Nondestructive Testing in Civil Engineering, August 2022.
  43. Cavalline, T. and B.S. Underwood (2022). “Concrete Pavement Resilience Research and NCDOT Resilience Efforts,” 11th International Conference on Managing Pavement Assets, Workshop on Resilient Pavements, June 2022.
  44. Goenaga, B. and B.S. Underwood (2022). “Developing a Model to Predict Early Friction and Texture Based on Laboratory Observations,” 33rd Annual Meeting of the Road Profiler User’s Group, April 2022, Saratoga Spring, New York.
  45. Habbouche, J., I. Boz, B.S. Underwood, C. Castorena, Gulzar, A. Fried, and J. Preciado (2022). “State of the Practice on the Use of Recycled Asphalt Materials and Recycling Agents in Asphalt Concrete Mixtures,” 101st Annual Meeting of the Transportation Research Board, Washington D.C., January 2022.
  46. Yang, K., R. Li, C. Castorena, and B.S. Underwood (2022). “Correlation of Asphalt Binder Linear Viscoelasticity (LVE) Parameters and the Ranking Consistency Related to Fatigue Cracking Resistance,” 101st Annual Meeting of the Transportation Research Board, Washington D.C., January 2022.
  47. Williams, N., M. Isied , N. Saleh, K. Kuciishi, B.S. Underwood, Y.R. Kim (2022). “Statistical Comparisons and Index-Volumetric Relationship for Mixtures of the Same Classification,” 101st Annual Meeting of the Transportation Research Board, Washington D.C., January 2022.
  48. Ding, J. and B.S. Underwood (2022). “Reducing the Complexity of Simplified Viscoelastic Damage (S-VECD) Model: Tradeoff between Bias and Variation,” 101st Annual Meeting of the Transportation Research Board, Washington D.C., January 2022.
  49. Fried, A., G. Xue, S. Gulzar, B.S. Underwood, C. Castorena (2022). “Evaluation of Recycling Agent and Extender Dosage Selection to Restore the High-Temperature Climatic Performance Grade,” 101st Annual Meeting of the Transportation Research Board, Washington D.C., January 2022.
  50. Noorvand, H., B. Mobasher, and B.S. Underwood (2022). “Development of a Fiber Pullout Test to Study the Interfacial Shear Strength Between Fiber and Asphalt Mixture,” 101st Annual Meeting of the Transportation Research Board, Washington D.C., January 2022.
  51. Matini, N., Gulzar, B. Goenaga, A. Fried, B.S. Underwood, and C. Castorena (2022). “Structural Performance of Pavements under Extreme Events: Flooding and Heatwave Case Studies,” 101st Annual Meeting of the Transportation Research Board, Washington D.C., January 2022.
  52. Goenaga, B., Karanam, B.S. Underwood (2022). “Imputation Techniques to Reduce Uncertainties in the Network Level Pavement Condition Predictions,” 101st Annual Meeting of the Transportation Research Board, Washington D.C., January 2022.
  53. Hernandez-Fernandez, N., J.T. Harvey, B.S. Underwood, A. Ossa-Lopez (2021). “Pavement Fatigue Damage Simulations using Second Generation Mechanistic-Empirical Approaches,” 100th Annual Meeting of the Transportation Research Board, Washington D.C., January 2021.
  54. Gulzar, S., B. Goenaga, and B.S. Underwood (2021). “Novel Index for Vulnerability Assessment of Flexible Pavement Infrastructure to Temperature Rise: A Case Study of Developing Countries,” 100th Annual Meeting of the Transportation Research Board, Washington D.C., January 2021.
  55. Jeong, J., B.S. Underwood, and Y.R. Kim (2021). “Rutting Performance Prediction Using Index-Volumetrics Relationships with Stress Sweep Rutting Test and Hamburg Wheel-Track Test,” 100th Annual Meeting of the Transportation Research Board, Washington D.C., January 2021.
  56. Gulzar, S. and B.S. Underwood (2021). “An Investigation on the Nonlinear Rheological Behavior of Modified Asphalt Binder,” 100th Annual Meeting of the Transportation Research Board, Washington D.C., January 2021.
  57. Ding, J., K.C. Lee, C. Castorena, Y.R. Kim, and B.S. Underwood (2021). “Variance Index and Repeatability Limit of Damage Characteristic Curve using Resampling Method,” 100th Annual Meeting of the Transportation Research Board, Washington D.C., January 2021.

2016-2020

  1. Ding, J., and B.S. Underwood (2020). “Sensitivity analysis of simplified viscoelastic continuum damage fatigue model,” Advances in Materials and Pavement Performance Prediction, San Antonio, Texas, May 2020.
  2. Gulzar, S. and B.S. Underwood (2020). “Fourier transform rheology of asphalt binder,” Advances in Materials and Pavement Performance Prediction, Texas, USA May 2020.
  3. Gulzar, S. and B.S. Underwood (2020). “Stress decomposition of nonlinear response of modified asphalt binder under large strains,” Advances in Materials and Pavement Performance Prediction, Texas, USA, May 2020.
  4. Gulzar, S. and B.S. Underwood (2020). “Large amplitude oscillatory shear of modified asphalt binder,” Advances in Materials and Pavement Performance Prediction, Texas, USA, May 2020.
  5. Braswell, E., N. Saleh, M. Elwardany, C. Castorena, B.S. Underwood, and Y.R. Kim (2020). “Refinement of Climate-, Depth- and Time-Based Laboratory Aging Procedure for Asphalt Mixtures,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020.
  6. Castorena, C. and B.S. Underwood (2020). “Fatigue Damage Characterization in the Dynamic Shear Rheometer,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020.
  7. Ding, J., D. Wang, S. Gulzar, Y.R. Kim, and B.S. Underwood (2020), “Uncertainty Quantification (UQ) of Simplified Viscoelastic Continuum Damage Fatigue Model using Bayesian Inference based Markov Chain Monte Carlo (MCMC) Method,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020.
  8. Ghanbari, A., B.S. Underwood, and Y.R. Kim (2020). “Development of Rutting Index Parameter Based on Stress Sweep Rutting Test and Permanent Deformation Shift Model,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020.
  9. Goenaga, B., B.S. Underwood, and L. Fuentes (2020). “Effect of Speed Bump on Pavement Condition,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020.
  10. Gulzar, S. and B.S. Underwood (2020). “Nonlinear viscoelastic response of crumb rubber modified asphalt binder under large strains,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020.
  11. Gundla, A., Salim, B.S. Underwood, and K.E. Kaloush (2020). “Implementation of the AASHTO M 332 Specification: A Case Study,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020.
  12. Jeong, J., D. Wang, A. Ghanbari, C. Nash, D. Nener-Plante, B.S. Underwood, and Y.R. Kim (2020). “Implementation Process for Performance-Related Specifications Shadow Projects: The Example of MaineDOT,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020.
  13. Matini, N., Gulzar, B. Goenaga, A. Fried, B.S. Underwood, and C. Castorena (2020). “Structural Performance of Pavements under Extreme Events: Towards a Resilient Pavement,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020.
  14. Saleh, N., Mocelin, F.Y. Rad, C. Castorena, B.S. Underwood and Y.R. Kim (2020). “A Predictive Framework for Modeling Changes in Asphalt Mixture Moduli with Oxidative Aging,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020.
  15. Saleh, N., B. Keshvarzi, Y. Rad, D. Mocelin, M. Elwardany, C. Castorena, B.S. Underwood, Y.R. Kim (2020). “Effects of Aging on Asphalt Mixture and Pavement Performance,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020.
  16. Salim, R., B.S. Underwood, and K.E. Kaloush (2020). “Correlating the Binder Fatigue Parameters to Axial Fatigue Test for Asphalt Mixtures,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020. ^
  17. Underwood, B.S. (2020). “Potential Impacts from Automated and Connected Vehicles on Flexible Pavement Performance,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020. *
  18. Wang, Y., A. Ghanbari, B.S. Underwood, and Y.R. Kim (2020). “Development of Preliminary Transfer Functions for Performance Predictions in the FlexPAVETM Program,” Construction and Building Materials. 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020. ^
  19. Zang, Z.A., B.S. Underwood, and C. Castorena (2020). “Low Temperature Performance Grade Characterization of Asphalt Binder Using the Dynamic Shear Rheometer,” 99th Annual Meeting of the Transportation Research Board, Washington D.C., January 2020.
  20. Fried, A., N. Matini, S. Gulzar, B. Goenaga, C. Castorena, and B.S. Underwood (2019). “Climate Change and the Challenges of Creating a More Adaptive and Flexible Pavement Engineering Paradigm,” 2nd International Conference on Resilience to Natural Hazards and Extreme Weather Events Transportation Resilience, Washington D.C., November 2019.
  21. Gulzar, S., and B.S. Underwood (2019). “Nonlinear Rheological Behavior of Asphalt Binders,” 91st Annual Meeting of the Society of Rheology, Raleigh, NC, October 2019.
  22. Ding, J. and B.S. Underwood (2019). “Physical and Chemical Interaction Mechanism between Asphalt and Aggregate in Asphalt Mastic,” 56th Petersen Asphalt Research Conference, Laramie, Wyoming, July 2019.
  23. Underwood, B.S. and C. Castorena (2019). “Damage Evolution Behaviors from Binders to Mixtures,” 98th Annual Meeting of the Transportation Research Board, Washington D.C., January 2019.
  24. Underwood, B.S. (2019). “Recent Research Studies and Improvements on MSCR,” 98th Annual Meeting of the Transportation Research Board, Washington D.C., January 2019. *
  25. Salim, R., Gundla, B.S. Underwood, and K. Kaloush (2019). “Effect of Percent Recovery from the Multiple Stress Creep and Recovery (MSCR) Test on Performance of Asphalt Mixtures,” 98th Annual Meeting of the Transportation Research Board, Washington D.C., January 2019.
  26. Salim, R., Gundla, A. Zalghout, B.S. Underwood, and K. Kaloush (2019). “Relationship between Asphalt Binder Parameters and Asphalt Mixture Rutting,” 98th Annual Meeting of the Transportation Research Board, Washington D.C., January 2019.
  27. Lee, K., Pape, C. Castorena, B.S. Underwood, and Y.R. Kim (2019). “A Strain Level Determination Procedure for AMPT Cyclic Fatigue Tests,” 98th Annual Meeting of the Transportation Research Board, Washington D.C., January 2019.
  28. Wang, Y.D., Ghanbari, B.S. Underwood, and Y.R. Kim (*) (2019). “Development of a Performance-Volumetric Relationship for Asphalt Mixtures,” 98th Annual Meeting of the Transportation Research Board, Washington D.C., January 2019.
  29. Frasier, A., B.S. Underwood, and M. Chester (2019). “Managing Wildfire Risk, Precipitation, and Transportation Infrastructure,” 98th Annual Meeting of the Transportation Research Board, Washington D.C., January 2019.
  30. Frasier, A., B.S. Underwood, and M. Chester (2018). “Managing Wildfire Risk, Precipitation, and Transportation Infrastructure,” 15th Wildland Fire Safety Summit/5th Human Dimensions Conference, Asheville, NC, December 2018.
  31. Noovand, H. and B.S. Underwood (2018). “Implications of Autonomous Truck Positioning on Flexible Pavement Performance and Design,” 2018 Autonomous Vehicle Symposium, San Francisco, CA, July 2018.
  32. Markholf, S., M. Chester, G. Mascaro, and B.S. Underwood (2018). “A Critical Assessment of Infrastructure Design Criteria in the Face of Climate and Socio-Technical Uncertainties,” International Society of Industrial Ecology and International Symposium on Sustainable Systems and Technology Conference, Buffalo, NY, June 2018.
  33. Gundla, A. and B.S. Underwood (2018). “A Chemo-Mechanical Relationship for Asphalt Binders in Linear Viscoelastic and Non-Linear Viscoelastic Domain,” ASCE Engineering Mechanics Institute Conference, Cambridge MA, May 2018.
  34. Gudipudi, P. and B.S. Underwood (2018). “Probabilistic Assessment of Continuum Damage Model for Asphalt Concrete,” ASCE Engineering Mechanics Institute Conference, Cambridge MA, May 2018.
  35. Sanboskani, H., Cho, N.,B.S. Underwood, and M. El-Asmar (2018). “Evaluating the Ride Quality of Asphalt Concrete Pavements Delivered using Design-Build,” ASCE Construction Research Congress, New Orleans, April 2018.
  36. Markholf, S, C. Hoehne, A. Fraser, M. Chester, B.S. Underwood (2018). “Resilience of Transportation Systems under Climate Change – Beyond Risk and Robustness,” 97th Annual Meeting of the Transportation Research Board, Washington D.C., January 2018.
  37. Noorvand, H., R. Salim, J. Medina, K. Kaloush, B.S. Underwood (2018). “Effect of Synthetic Fiber Distribution and State on Mechanical Performance of Fiber Reinforced Asphalt Concrete,” 97th Annual Meeting of the Transportation Research Board, Washington D.C., January 2018.
  38. Zeiada, W.A., P. Gudipudi, B.S. Underwood (2018). “Effect of Waveform Pattern and Rest Period on Fatigue Life of Asphalt Concrete Using Viscoelastic Continuum Damage Model,” 97th Annual Meeting of the Transportation Research Board, Washington D.C., January 2018.
  39. Mamlouk, M., M. Vinayakamurthy, B.S. Underwood, and K. Kaloush (2018). “Effects of the International Roughness Index and Rut Depth on Crash Rates,” 97th Annual Meeting of the Transportation Research Board, Washington D.C., January 2018.
  40. Underwood, B.S. (2018). “A Method to Select Global Climate Models for Pavement Performance Evaluation,” 97th Annual Meeting of the Transportation Research Board, Washington D.C., January 2018.
  41. Gundla, A. and B.S. Underwood (2017). “Molecular Weight Distribution of Asphalt Binders from Laser Desorption Ionization (LDI) Technique and its Relationship to Relaxation Spectra,” Petersen Asphalt Conference, Laramie WY, July 2017.
  42. Underwood, B.S. (2017) “Resilient and Sustainable Pavements Through Multiple-Scale Modeling,” Politecnico di Torino, Noon Talk Seminar Series, Torino, Italy, July 2017.
  43. Markolf, S., C. Hoehne, A. Fraser, B.S. Underwood, and M. Chester (2017). “Maintaining Reliability of Transportation Systems and Interdependent Infrastructure under Climate Change,” International Society of Industrial Ecology and International Symposium on Sustainable Systems and Technology Conference, Chicago, IL, June 2017.
  44. Underwood, B.S. (2017). “Climate Change Threats to Transportation Infrastructure in the United States,” Green Pavements 2017, Lisbon, Portugal, May 2017.
  45. Stempihar, J., A. Gundla, B.S. Underwood (2017). “Alternate Interpretation of Stress Sensitivity in AASHTO T350,” 96th Annual Meeting of the Transportation Research Board, Washington D.C., January 2017.
  46. Gudipudi, P.  and B.S. Underwood (2017). “Improvement in Reliability of Fatigue Life Prediction of Asphalt Concrete using Fine Aggregate Matrix (FAM) Experimental Data and its Sensitivity to Input Parameters,” 96th Annual Meeting of the Transportation Research Board, Washington D.C., January 2017.
  47. Noorvand, H., G. Sai, and B.S. Underwood (2017). “Implications of Autonomous Truck use on Flexible Pavement Performance and Design,” 96th Annual Meeting of the Transportation Research Board, Washington D.C., January 2017.
  48. Gudipudi, P., B.S. Underwood, and Ali Zalghout (2017). “Impact of Climate Change on the Pavement Performance and Its Sensitivity to Various Climate Prediction Models,” 96th Annual Meeting of the Transportation Research Board, Washington D.C., January 2017.
  49. Abkarian, H. (∞,†), M. Asmar, and B.S. Underwood (2017). “Impact of Alternative Project Deliver Systems on the International Roughness Index (IRI) – Case Studies of Transportation Projects in the Western U.S.,” 96th Annual Meeting of the Transportation Research Board, Washington D.C., January 2017.
  50. Zeiada, W., B.S. Underwood, and K. Kaloush (2016). “Cost Analysis of Fiber-Reinforced Pavements,” 2nd IRF Asia Regional Congress and Exhibition, Kuala Lumpur, Malaysia, October 2016.
  51. Medina, J.  and B.S. Underwood (2016). “Use of Particulate Composite Models and Crumb Rubber Swelling to Estimate Stiffness of Rubberized Asphalt Binders,” International Society on Asphalt Pavements Symposium, ISAP. Jackson Hole, Wyoming, July 2016.
  52. Gundla, A.  and B.S. Underwood (2016). “Using Repeated Stress Sweep to Investigate Non-Linearity in Asphalt Binders and Mastics by Fourier Transform Analysis,” International Society on Asphalt Pavements Symposium, ISAP. Jackson Hole, Wyoming, July 2016.
  53. Stempihar, J., B.S. Underwood, S. Nazar, and K. Kaloush (2016). “Durable Fiber Reinforced Asphalt Concrete Friction Courses for Airfield Runways,” International Society on Asphalt Pavements Symposium, ISAP. Jackson Hole, Wyoming, July 2016.
  54. Underwood, B.S.  (2016). “A Nonlinear Viscoelastic Damage Model for Asphalt Binder and Mastics,” 1st Transportation Research Congress, Beijing, China, June 2016
  55. Noorvand, H.  and B.S. Underwood (2016). “Potential for Impacts of Autonomous Vehicles on Pavement Infrastructure,” 2016 Roads and Streets Conference, American Council of Engineering Companies of Arizona, Tucson, Arizona, April 2016.
  56. Nagarajan, S., J. Khalil, B.S. Underwood (2016). “Impact of Forecasted Freight Trends on Highway Pavement Infrastructure,” Arizona ITE-IMSA Annual Spring Conference, Phoenix, AZ, March 2016.
  57. Noorvand, H., B.S. Underwood, G. Sai (2016). “The Implications of Uniform Distribution of Trucks on Flexible Pavement Performance and Design,” Arizona ITE-IMSA Annual Spring Conference, Phoenix, AZ, March 2016.
  58. Medeiros, M., B.S. Underwood, C. Castorena, T. Rupnow, and M. Rawls (2016). “3D Measurement of Pavement Macrotexture using Digital Stereoscopic Vision,” 95h Annual Meeting of the Transportation Research Board, January 2016.
  59. Zeiada, W., K. Kaloush, K. B.S. Underwood, M. Mamlouk. (2016). “Development of Test Protocol to Measure Axial Fatigue Damage and Healing,” 95h Annual Meeting of the Transportation Research Board, January 2016.
  60. Gudipudi, P.  and B.S. Underwood (2016). “Reliability Analysis of Fatigue Life Prediction from the Viscoelastic Continuum Damage Model,” 95h Annual Meeting of the Transportation Research Board, January 2016.
  61. Karki, P., A. Bhasin, and B.S. Underwood (2016). “Fatigue Performance Prediction of Asphalt Composites Subjected to Cyclic Loading with Intermittent Rest Periods,” 95h Annual Meeting of the Transportation Research Board, January 2016.
  62. Mensching, D., J. Daniel, and B.S. Underwood (2016). “Identifying Indicators for Fatigue Cracking in Hot Mix Asphalt Pavements using Viscoelastic Continuum Damage Principles,” 95h Annual Meeting of the Transportation Research Board, January 2016.
  63. Mogawer, W., A.A. Austerman , and B.S. Underwood (2016). “Effect of Binder Modification on the Performance of an Ultrathin Overlay Pavement Preservation Strategy,” 95h Annual Meeting of the Transportation Research Board, January 2016.
  64. Gundla, A., Gudipudi, P., and B.S. Underwood (2016). “Evaluation of the Sensitivity of Asphalt Concrete Modulus to Binder Oxidation with a Multiple Length Scale Study,” 95h Annual Meeting of the Transportation Research Board, January 2016.

2015 and Before

  1. Underwood, B.S.  (2015) “Fiber Reinforced Asphalt Concrete: Overview, Mechanisms, and Applications,” 4th IRF Middle East Regional Congress, December 2015.
  2. Underwood, B.S. (2015). “Arizona Update on Multiple Stress Creep Recovery and AASHTO M332 Evaluation,” Pacific Coast Conference on Asphalt Specifications, Reno Nevada, October 2015.*
  3. Stempihar, J., R. Stevens, B.S. Underwood, and P. Dharminder (2015). “Properties of Arizona TR+ Binders in Multiple Stress Creep and Recovery Test,” 6th Asphalt Rubber Conference, Las Vegas, Nevada, October 2015.
  4.  Medina, J., K. Kaloush, and B.S. Underwood (2015). “Properties of Activated Crumb Rubber Modified Binders,” 6th Asphalt Rubber Conference, Las Vegas, Nevada, October 2015.
  5. Stempihar, J., W. Zeiada, B.S. Underwood and K. Kaloush (2015). “Laboratory Cracking Evaluation of a Warm Mix Rubber Modified Pavement,” 6th Asphalt Rubber Conference, Las Vegas, Nevada, October 2015.
  6. Nobakht, M., M. S. Sakhaeifar, D. Newcomb, B. S. Underwood, and T. Freeman (2015). “Techniques for Selecting Cost-Effective Pavement Rehabilitation Strategies,” ASCE T&DI 2015 Annual Meeting, Miami, Florida, June 2015.
  7. Kaloush, K.E., B.S. Underwood, W.A. Zeiada, J. Stempihar (2015). “Fiber Reinforced Asphalt Concrete: Performance Tests and Pavement Design Consideration,” International Conference on Bituminous Mixtures and Pavements, Thessaloniki, Greece, June 2015.
  8. Nagarajan, S. and B.S. Underwood (2015). “Impact of Freight Movement Trends on Highway Pavement Infrastructure,” 2015 Roads and Streets Conference, American Council of Engineering Companies of Arizona, Tucson, Arizona, April 2015.
  9. Underwood, B.S. (2015). “Arizona Update on MSCR and AASHTO M332 Evaluation,” Rocky Mountain Asphalt User Producer Group Meeting, San Antonio Texas, March 2015.
  10. Underwood, B.S.  (2015). “Multiaxial Viscoelastic Continuum Damage Model under Compressive and Tensile Deviatoric Loading,” 94th Annual Meeting of the Transportation Research Board, January 2015.
  11. Underwood, B.S.  (2014). “Fibers in Pavements,” Arizona Pavement/Materials Conference, November 2014.
  12. Underwood, B.S., W.A. Zeiada , and K. Kaloush (2014). “Comparison of Hot Mix Asphalt Endurance Limit using NCHRP 9-44A Developed Methodology to Other Analytical Techniques,” International Conference on Perpetual Pavement, October 2014.
  13. Underwood, B.S., M. Farrar, C. Hintz, Y.R. Kim (2014). “Evaluation of Methodologies for Crossover Modulus Determination,” 2014 Petersen Asphalt Research Conference, Western Research Institute, Laramie, Wyoming, July 2014.
  14. Underwood, B.S.  and Y.R. Kim (2014). “Structuralization as Characteristic to Link the Mechanical Behaviors of Asphalt Concrete at Different Length Scales,” Proceedings International Conference on Asphalt Pavements, ISAP. Raleigh, North Carolina, June 2014.
  15. Underwood, B.S., C.M. Baek, and Y.R. Kim (2014). “Effect of Asphalt Binder Oxidation on the Modulus of Asphalt Concrete Mixtures,” Proceedings International Conference on Asphalt Pavements, ISAP. Raleigh, North Carolina, June 2014.
  16. Zeiada, W.A., B.S. Underwood, and K.E. Kaloush (2014). “Uniaxial Fatigue Testing of Diverse Asphalt Concrete Mixtures,” Proceedings International Conference on Asphalt Pavements, ISAP. Raleigh, North Carolina, June 2014.
  17. Underwood, B.S.  and M. El Asmar  (2014). “Sustainable Construction Practices,” 2014 Roads and Streets Conference, American Council of Engineering Companies of Arizona, Tucson, Arizona, April 2014.
  18. Underwood, B.S.  and W.A. Zeiada (2014). “Modeling the Microdamage Healing in Asphalt Concrete with a Smeared Continuum Damage Approach,” 93rd Annual Meeting of the Transportation Research Record, January 2014.
  19. Underwood, B.S.  and M. El Asmar (2013). “Sustainable Construction Practices,” 2013 Arizona Pavements/Materials Conference, Tempe, Arizona, November 2013.
  20. Underwood, B.S.  and A. Gundla (2013). “Evaluation of In-situ RAP Binder Interaction in Asphalt Cement Composites,” 4th International Conference on Asphalt Materials, ICAM. Guangzhou, China, November 2013.
  21. Underwood, B.S.  and Y.R. Kim (2013). “Micromechanical Modeling of Particle Concentration Effect in Asphalt Mastic to Consider Physico-Chemical Interaction,” 2013 Petersen Asphalt Research Conference, Western Research Institute, Laramie, Wyoming, July 2013.
  22. Underwood, B.S.  (2013). “Use of Pavement Models to Evaluate Impacts of RAP in Pavement Construction,” 2013 Airfield and Highway Pavements Conference, ASCE, Los Angeles, California, June 2013.
  23. Underwood, B.S.  and Y.R. Kim (2013). “Mechanistic Behaviors of Fine Aggregate Matrix and its Relation to Asphalt Mixture Behaviors” 2013 Airfield and Highway Pavements Conference, ASCE, Los Angeles, California, June 2013.
  24. Zeiada, W.A., K.E. Kaloush, B.S. Underwood, and M.S. Mamlouk (2013). “Effect of Air Voids and Asphalt Content on Fatigue Damage Using the Viscoelastic Continuum Damage Analysis,” Proceedings 2013 Airfield and Highway Pavements Conference, ASCE, Los Angeles, California, June 2013
  25. Underwood, B.S.  (2013). “Emerging Methods of Asphalt Concrete Mixture and Pavement Analysis,” 2013 Roads and Streets Conference, American Council of Engineering Companies of Arizona, Tucson, Arizona, March 2013.
  26. Underwood, B.S.  and Y.R. Kim (2013). “Nonlinear Viscoelastic Behavior of Asphalt Concrete and its Implication on Fatigue Modeling,” 92nd Annual Meeting of the Transportation Research Record, January 2013.
  27. Zeiada, W.A., B.S. Underwood, T. Pourshams, J. Stempihar, and K. Kaloush (2012). “Comparison of Conventional, Polymer, and Rubber Asphalt Mixtures Using Viscoelastic Continuum Damage Model,” Proceedings of the 5th Asphalt Rubber Conference, Munich, Germany, October 2012.
  28. Underwood, B.S.  and Y.R. Kim (2012). “Experimental Investigation of Asphalt Concrete at Different Length Scales,” 2012 Engineering Mechanics Institute Conference, ASCE, South Bend, Indiana, June 2012.
  29. Underwood, B.S.  and Y.R. Kim (2012). “Experimental Investigation into the Behavior of Asphalt Concrete at Different Length Scales,” 2012 Engineering Mechanics Institute Conference, ASCE, South Bend, Indiana, June 2012.
  30. Baek, C.M., B.S. Underwood, and Y.R. Kim (2012). “Effect of Oxidative Aging on Asphalt Mixture Properties,” 91st Annual Meeting of the Transportation Research Record, January 2012.
  31. Underwood, B.S.  and Y.R. Kim (2011). “Experimental Investigation into the Behavior of Asphalt Concrete at Different Length Scales,” 2011 Engineering Mechanics Institute Conference, ASCE, Boston, Massachusetts, June 2011.
  32. Underwood, B.S., M. Ashouri, and Y.R. Kim (2011). “Effect of Dynamic Modulus Measurement Protocol on Predicted Pavement Performance,” 86th Annual Meeting of the Association of Asphalt Paving Technologists, March 2011.
  33. Underwood, B.S.  and Y.R. Kim (2009). “Analytical Techniques for Determining the Endurance Limit of Hot Mix Asphalt Concrete,” 2nd International Conference on Perpetual Pavements, Columbus, Ohio. September 30 – October 2009.
  34. Underwood, B.S.  and Y.R. Kim (2009). “Asphalt Pavement Response and Fatigue Performance Prediction with Viscoelastic Continuum Damage Modeling Approach,” 2009 Pavement Prediction Symposium: Validation of Predictive Models Using Full-Scale and Field Pavement Performance, WRI, Laramie, Wyoming, July 2009.
  35. Underwood, B.S., and Y.R. Kim, (2008). “Comparison of Automated and Manual Data Collection for Pavement Distresses,” National Workshop on Highway Asset Inventory and Data Collection, NCDOT/FHWA/AASHTO, Research Triangle Park, North Carolina, September 2008.
  36. Baek, C., B.S. Underwood, V. Subramanian, M.N. Guddati, Y.R. Kim, and K. Lee (2008). “Viscoelastic Continuum Damage Model Based Finite Element Analysis of Fatigue Cracking,” 7th RILEM International Conference on Cracking in Pavements, Chicago, June 2008.
  37. Underwood, B.S., Y.R. Kim and G. Chehab (2006). “Viscoelastoplastic Continuum Damage Model of Asphalt Concrete in Tension,” 10th International Conference on Asphalt Pavements, ISAP, Quebec City, Quebec, August 2006.
  38. Underwood, B.S., Y.R. Kim and M.N. Guddati (2006). “Characterization and Performance Prediction of ALF Mixtures Using a Viscoelastoplastic Continuum Damage Model,” 81st Annual Meeting of the Association of Asphalt Paving Technologists, March 2006.
  39. Underwood, B.S., A.H. Heidari, M.N. Guddati, and Y.R. Kim (2005). “Experimental Investigation of Anisotropy in Asphalt Concrete,” 84th Annual Meeting of the Transportation Research Board, January 2005.
  40. Underwood, B.S.  and Y.R. Kim (2003). “Determination of Depth of Surface Cracks in Asphalt Pavements,” 82nd Annual Meeting of the Transportation Research Record, January 2003.