Publications are grouped into Refereed Journal Publications, Reviewed Conference Proceedings, Technical Reports, and Invited Articles. Within each group, publications are listed newest to oldest.
Refereed Journal Publications
Bowers, B., D. Timm, E. Turochy and B. Diefenderfer, “Accelerated Pavement Testing of Re-Recycled Cold Central Plant Recycled Asphalt Mixtures,” Transportation Research Record, Transportation Research Board, https://doi.org/10.1177/03611981241238223, 2024.
Kmetz, M., D. Timm, C. Rodezno, N. Tran, F. Yin, "Laboratory Characterization of Additive-Modified Asphalt Concrete Mixtures," Transportation Research Record, Transportation Research Board, Vol. 2678, Issue 8, pp. 1119-1130, https://doi.org/10.1177/03611981231224742, 2024.
Bowers, B.F., T. Lynn, D.H. Timm and B.K. Diefenderfer, S. Gatiganti, “Long Term Performance & Forensic Evaluation of an Asphalt Pavement with Cold Central Plant Recycled Asphalt,” Transportation Research Record, Transportation Research Board, Vol. 2678, Issue 4, pp. 917-931, https://doi.org/10.1177/03611981231186980, 2023.
Nakhaei, M. and D.H. Timm, “A New Methodology to Improve Backcalculation of Flexible Pavements with Stabilized Foundations,” Construction and Building Materials, Volume 368, https://doi.org/10.1016/j.conbuildmat.2023.130405, 2023.
Timm, D.H., F. Yin, N. Tran, M.M. Foshee, C. Rodezno, “Comparison of Relative Structural Characterization Methods for Additive-Modified Asphalt Mixtures,” Transportation Research Record, Vol. 2676 (11), Transportation Research Board, pp. 676-688, 2022.
Diefenderfer, B.D., G. Flintsch, W. Xue, F. Meroni, I. Boz, D.H. Timm, “Structural Performance of an Asphalt Pavement Containing Cold Central Plant Recycling and Full Depth Reclamation,” Transportation Research Record, Vol. 2677 (1), Transportation Research Board, pp. 409–419, 2022.
Tutu, K.A. and D.H. Timm, “Recursive Pseudo Fatigue Cracking Damage Model for Asphalt Pavements,” International Journal of Pavement Engineering, 2022, https://doi.org/10.1080/10298436.2020.1867856.
Timm, D.H., B.K. Diefenderfer, B.F. Bowers and G. Flintsch, “Utilization of Cold Central Plant Recycled Asphalt in Long-Life Flexible Pavements,” Transportation Research Record, Vol. 2675 (11), Transportation Research Board, pp. 1082-1092, 2021.
Nakhaei, M. and D.H. Timm, “Middle-Up Cracking Potential in Flexible Pavements with Stabilized Foundations,” Transportation Research Record, Vol. 2675 (5), Transportation Research Board, pp. 391-402, 2021.
Tutu, K.A. and D.H. Timm, “Asphalt Fatigue Endurance Limit Estimation and Impact on Perpetual Pavement Design,” International Journal of Pavement Engineering, 2020, https://doi.org/10.1080/10298436.2020.1797735.
Hossain, N., D. Singh, M. Zaman and D.H. Timm, “Performance Monitoring of Field Test Section to Evaluate Rutting Behavior of Different Pavement Layers,” International Journal of Pavement Research and Technology, 2019, pp. 519 - 526.
Timm, D. H., Diefenderfer, B. K., & Bowers, B. F., “Cold Central Plant Recycled Asphalt Pavements in High Traffic Applications,” Transportation Research Record Vol. 2672(40), Transportation Research Board, 2018, pp. 291-303.
Nakhaei, M., K. Naderi, A.A. Nasrekani and D.H. Timm, “Moisture Resistance Study on PE-Wax and EBS-Wax Modified Warm Mix Asphalt Using Chemical and Mechanical Procedures,” Construction and Building Materials, Volume 189, 2018, pp. 882-889.
Castro, A., N. Tran, F. Gu, D.H. Timm and C. Wagner, “Limiting Strain Distribution Criteria for Perpetual Pavement Design Using AASHTOWare Pavement ME Design,” Journal of the Association of Asphalt Paving Technologists, Volume 87, 2018, pp. 275-304.
Tutu, K. and D.H. Timm, “Determination of an Optimum Backcalculation Cross-Section for Unconventional Pavement Profiles,” Transportation Research Record No. 2641, Transportation Research Board, 2017, pp. 48-57.
Castro, A.J., N. Tran, M.M. Robbins, D.H. Timm and C. Wagner, “Further Evaluation of Limiting Strain Criteria for Perpetual Asphalt Pavement Design,” Transportation Research Record No. 2640, Transportation Research Board, 2017, 41-48.
Leiva-Villacorta, F., A. Vargas-Nordcbeck and D.H. Timm, "Non-Destructive Evaluation of Sustainable Pavement Technologies Using Artificial Neural Networks," International Journal of Pavement Research and Technology, 2016. DOI: http://dx.doi.org/10.1016/j.ijprt.2016.11.006
Willis, J.R., D.H. Timm and R. Kluttz, “Performance of a Highly Modified Asphalt Binder Test Section at the NCAT Pavement Test Track,” Transportation Research Record No. 2575, Transportation Research Board, 2016, pp 1-9.
Timm, D.H., R.C. West and A.J. Taylor, “Performance and Fatigue Analysis of High Reclaimed Asphalt Pavement Content and Warm Mix Asphalt Test Sections,” Transportation Research Record No. 2575, Transportation Research Board, 2016, pp 196-205.
Robbins, M.M., N. Tran, D.H. Timm and J.R. Willis, “Adaptation and Validation of Stochastic Limiting Strain Distribution and Fatigue Ratio Concepts for Perpetual Pavement Design,” Journal of the Association of Asphalt Paving Technologists, Volume 84, 2015, pp. 181-217.
Diaz-Sanchez, M. and D. Timm, “Influence of Sustainable Asphalt Technologies on Pavement Construction Cooling Predictions,” Transportation Research Record No. 2408, Transportation Research Board, 2014, pp. 69-77.
Mai, D., R. Turochy and D. Timm, "Sensitivity of Flexible Pavement Thickness to Traffic Factors in Mechanistic-Empirical Pavement Design," ASCE Journal of Transportation Engineering, Vol. 140, Issue 2, DOI: 10.1061/(ASCE)TE.1943-5436.0000628, 2014.
Mai, D., R. Turochy and D. Timm, "Quality Control of Weigh-In-Motion Data Incorporating Threshold Values and Rational Procedures," Transportation Research Part C, No. 36, 2013, pp. 116-124.
Mai, D., R. Turochy and D. Timm, "Correlation-Based Clustering of Traffic Data for Mechanistic-Empirical Pavement Design Guide," Transportation Research Record No. 2339, Transportation Research Board, 2013, pp. 104-111.
Tran, N., D. Timm, B. Powell, G. Sholar and J.R. Willis , “Effectiveness of Heavier Tack Coat on Field Performance of Open-Graded Friction Course,” Transportation Research Record No. 2372, Transportation Research Board, 2013, pp. 1-8.
Willis, J.R., A.J. Taylor, N.H. Tran, B. Kluttz & D.H. Timm, "Laboratory Evaluation of High Polymer Plant-Produced Mixtures," Road Materials and Pavement Design, DOI:10.1080/14680629.2012.657077, 2012.
Vargas-Nordcbeck, A. and D.H. Timm, "Rutting Characterization of Warm Mix Asphalt and High RAP Mixtures," Road Materials and Pavement Design, DOI:10.1080/14680629.2012.65702, 2012.
Timm, D.H., A. Vargas-Nordcbeck, “Structural Coefficient of Open Graded Friction Course,” Transportation Research Record 2305, Transportation Research Board, 2012, pp. 102-110.
Timm, D.H., M.M. Robbins, G.A. Huber and Y. Yang, “Analysis of Perpetual Pavement Experiment Sections in China,” Transportation Research Record 2226, Transportation Research Board, 2011, pp. 94-103.
Robbins, M.M. and D.H. Timm, “Evaluation of Dynamic Modulus Predictive Equations for NCAT Test Track Mixtures,” Transportation Research Record 2210, Transportation Research Board, 2011, pp. 122-129.
Vargas-Nordcbeck, A. and D.H. Timm, “Validation of Cooling Curve Prediction Model for Nonconventional Asphalt Concrete Mixtures,” Transportation Research Record 2228, Transportation Research Board, 2011, pp. 111-119.
Timm, D.H., J.R. Willis and A. Kvasnak, “Full-Scale Structural Evaluation of Fatigue Characteristics in High Reclaimed Asphalt Pavement and Warm-Mix Asphalt,” Transportation Research Record 2208, Transportation Research Board, 2011, pp. 56-63.
Willis, J., D. Timm, A. Taylor, N. Tran and A. Kvasnak, “Correlating Laboratory Fatigue Endurance Limits to Field-Measured Strains,” Journal of the Association of Asphalt Paving Technologists, Volume 80, 2011, pp. 135-160.
Davis, K. and D. Timm, “Recalibration of the Asphalt Layer Coefficient,” ASCE Journal of Transportation Engineering, Volume 137, No. 1, 2011, pp. 22-27.
Willis, J.R. and D.H. Timm, “Development of Stochastic Perpetual Pavement Design Criteria,” Journal of the Association of Asphalt Paving Technologists, Volume 79, 2010, pp. 561-596.
Taylor, A.J., N. Tran, R. May, D.H. Timm, M.M. Robbins and B. Powell, “Laboratory Evaluation of Sulfur-Modified Warm Mix,” Journal of the Association of Asphalt Paving Technologists, Volume 79, 2010, pp. 403-442.
Solanki, P., M. Zaman, K. Muraleetharan and D. Timm, “Evaluation of Resilient Moduli of Pavement Layers at an Instrumented Section on I-35 in Oklahoma,” International Journal of Road Materials and Pavement Design, Volume No. 10, Special Issue, 2009, pp. 167-188.
Yang, Y., J. Wei, W. Lin, D. Timm and G. Huber, “Binzhou Perpetual Pavement Test Road Dynamic Response of Pavement Under Very Heavy Loads,” International Journal of Road Materials and Pavement Design, Volume No. 10, Special Issue, 2009, pp. 151-166.
Timm, D.H., G.A. Sholar, J. Kim and J.R. Willis, “Forensic Investigation and Validation of Energy Ratio Concept,” Transportation Research Record 2127, Transportation Research Board, 2009, pp. 43-51.
Willis, J.R. and D.H. Timm, “Repeatability of Asphalt Strain Measurements under Falling Weight Deflectometer Loading,” Transportation Research Record 2094, Transportation Research Board, 2009, pp. 3-11.
Willis, J.R. and D.H. Timm, “Repeatability of Asphalt Strain Measurements under Full Scale Dynamic Loading,” Transportation Research Record 2087, Transportation Research Board, 2008, pp. 40-48.
Willis, J.R. and D.H. Timm, “A Forensic Investigation of Debonding in a Rich-Bottom Pavement,” Transportation Research Record 2040, Transportation Research Board, 2007, pp. 107-114.
Timm, D.H. and D.E. Newcomb, “Perpetual Pavement Design for Flexible Pavements in the U.S.,” International Journal of Pavement Engineering, Vol. 7, No. 2, June 2006, pp. 111-119.
Priest, A.L. and D.H. Timm, “Mechanistic Comparison of Wide-Base Single Versus Standard Dual Tire Configurations,” Transportation Research Record No. 1949, Transportation Research Board, 2006, pp. 155-163.
Timm, D.H., R.E. Turochy and J.M. Bower, “Effect of Load Spectra on Mechanistic-Empirical Flexible Pavement Design,” Transportation Research Record No. 1947, Transportation Research Board, 2006, pp. 146-154.
McQueen, J.M. and D.H. Timm, “Statistical Analysis of Automated vs. Manual Pavement Condition Surveys,” Transportation Research Record 1940, Transportation Research Board, 2005, pp. 55-62.
Timm, D.H., Tisdale, S.M. and Turochy, R.E., “Axle Load Spectra Characterization by Mixed Distribution Modeling,” ASCE Journal of Transportation Engineering, Vol. 131, No. 2, Feb. 2005, pp. 83-88.
Priest, A.L. and D.H. Timm, “A Full Scale Structural Pavement Structural Study for Mechanistic-Empirical Pavement Design,” Journal of the Association of Asphalt Paving Technologists, Volume 74, 2005, pp. 519-556.
Turochy, R.A., S.M. Tisdale and D.H. Timm, “Spatial and Temporal Variations in Axle Load Spectra and Impacts on Pavement Design,” ASCE Journal of Transportation Engineering, Vol. 131, No. 10, Oct. 2005, pp. 802-808.
Guzina, B.B., V.R. Voller and D.H. Timm, “Crack Spacing in Strained Films,” Journal de Physique IV, 120, 2004, pp. 201-208.
Timm, D.H., Guzina, B.B. and Voller, V.R., “Prediction of Thermal Crack Spacing,” International Journal of Solids and Structures, Volume 40, Issue 1, 2003, pp. 125-142.
Timm, D.H. and Newcomb, D.E., “Calibration of Flexible Pavement Performance Equations,” Transportation Research Record 1853, Transportation Research Board, 2003, pp. 134-142.
Timm, D.H. and Voller, V.R., “Field Validation and Parametric Study of a Thermal Crack Spacing Model,” Journal of the Association of Asphalt Paving Technologists, Vol. 72, 2003, pp. 356-387.
Timm, D.H. and Skok, E.L., “The Impact of Assumed vs. Measured Vehicle Distributions on County Road Flexible Pavement Design,” Transportation Research Record 1819, Volume 2, Transportation Research Board, 2003, pp. 244-250.
Timm, D.H., Voller, V.R., Lee, E.B. and Harvey, J., “CalCool: A Multi-Layer Asphalt Pavement Cooling Tool for Temperature Prediction During Construction,” International Journal of Pavement Engineering, Vol. 2, 2001, pp. 169 - 185.
Timm, D.H., David E. Newcomb and Theodore V. Galambos, “Incorporation of Reliability into Mechanistic-Empirical Pavement Design,” Transportation Research Record 1730, Transportation Research Board, 2000, pp. 73-80. Winner of the K.B. Woods Award for best paper in the area of design and construction.
Reviewed Conference Proceedings
Foshee, M.M. and D.H. Timm, “Strain Mode Reversal in Flexible Pavements & Impacts on Thickness Design,” 11th International Conference on the Bearing Capacity of Roads, Railways and Airfields, Volume 3, Trondheim, Norway, 2022, pp. 108 - 117.
Vrtis, M.C., B. Worel and D.H. Timm, “Comparison of In-situ Response from Companion Asphalt Pavement Sections in Different Climates,” Accelerated Pavement Testing to Transport Infrastructure Innovation, Proceedings of the 6th Accelerated Pavement Testing Conference, DOI https://doi.org/10.1007/978-3-030-55236-7_15 , 2020, pp. 137-146.
Timm, D.H., “Temperature Normalization of Flexible Pavement Response Measurements,” Accelerated Pavement Testing to Transport Infrastructure Innovation, Proceedings of the 6th Accelerated Pavement Testing Conference, DOI https://doi.org/10.1007/978-3-030-55236-7_59, 2020, pp. 574-582.
McCarty, C. and D.H. Timm, “Cooling Curve Analysis of Single Lift Asphalt Pavements,” 8th European Asphalt Technology Association Conference, Granada, Spain, 2019.
Tutu, K.A. and D.H. Timm, “Comparison of Flexible Pavement Responses Computed from Dynamic and Backcalculated Moduli,” 8th European Asphalt Technology Association Conference, Granada, Spain, 2019.
Tutu, K.A. and D.H. Timm, “A Recursive Pseudo Fatigue Cracking Damage Model for Asphalt Pavements,” Extended Abstract, Proceedings of the 98th Annual Transportation Research Board, Washington, D.C., 2019.
Naderia, K., M. Nakhaei, F. Jalali, A.A. Nasrekani, D.H. Timm, “Low PG Determination of Neat Binders: A Comparison Between AASHTO Procedure and Time Temperature Superposition Approach,” Extended Abstract, Proceedings of the 98th Annual Transportation Research Board, Washington, D.C., 2019.
Nakhaei, M., K. Naderi, A.A. Nasrekani and D.H. Timm, “Chemical, Rheological, and Moisture Resistance Properties of Warm Mix Asphalt Modified with Polyethylene-Wax and Ethylene-Bis-Stearamide Additives,” Extended Abstract, Proceedings of the 97th Annual Transportation Research Board, Washington, D.C., 2018.
Tutu, K.A. and D.H. Timm, “Comparison of Flexible Pavement Responses Computed from Dynamic and Backcalculated Moduli,” Extended Abstract, Proceedings of the 97th Annual Transportation Research Board, Washington, D.C., 2018.
Hossain, N., D. Singh, M. Zaman, D.H. Timm and P. Solanki, “Contribution of Different Structural Layers to Pavement Distress: A Case Study through Forensic Investigation of a Test Section on Interstate-35,” Proceedings of the 96th Annual Transportation Research Board, Washington, D.C., 2017.
Dossett, C.S. and D.H. Timm, “Structural Coefficient Calibration of Sustainable Asphalt Paving Materials,” World Conference on Pavement and Asset Management, WCPAM2017, Milan, Italy - June 12-16, 2017.
Moore, N.D. and D.H. Timm, “Prediction of Top-Down Cracking in Sustainable Asphalt Materials Using Energy Ratio Testing,” World Conference on Pavement and Asset Management, WCPAM2017, Milan, Italy - June 12-16, 2017.
Tutu, K.A. and D.H. Timm, “Determination of an Optimum Backcalculation Cross-Section for Flexible Pavements,” 10th International Conference on the Bearing Capacity of Roads, Railways and Airfields, Athens, Greece, June 28-30, 2017.
Robbins, M.M., K.A. Tutu and D.H. Timm, “Backcalculation of Asphalt Concrete Moduli using Field-Measured Strain,” 10th International Conference on the Bearing Capacity of Roads, Railways and Airfields, Athens, Greece, June 28-30, 2017.
Timm, D.H., “Key Concepts in Dynamic Signal Processing from Instrumented Pavement Sections,” 5th International Conference on Accelerated Pavement Testing, San Jose, Costa Rica, September 19 – 21, 2016.
Vrtis, M.C. and D.H. Timm, “Laboratory Tack Coat Investigation of Factors Contributing to Debonding Observed at the NCAT Test Track,” 5th International Conference on Accelerated Pavement Testing, San Jose, Costa Rica, September 19 – 21, 2016.
Guo, X. and D.H. Timm, “Automating Mechanistic-Empirical Pavement Design Calibration Studies,” 5th International Conference on Accelerated Pavement Testing, San Jose, Costa Rica, September 19 – 21, 2016.
Díaz-Sánchez, M.A., D.H. Timm and B.K. Diefenderfer, “Structural Assessment of the Effect of a Cement-Stabilized Base Combined with a Cold Central Plant Recycled Layer at the NCAT Test Track,” 5th International Conference on Accelerated Pavement Testing, San Jose, Costa Rica, September 19 – 21, 2016.
Kluttz, R.Q., R. Dongre, B. Powell, J.R. Willis and D.H. Timm, “Long Term Performance of a Highly Modified Asphalt Pavement and Application to Perpetual Pavement Design,” Proceedings, 6th Eurasphalt & Bitume Congress, Prague, Czech Republic, June 1-3, 2016.
Willis, J.R., D.H. Timm and R. Kluttz, “Performance of a Highly Modified Asphalt Binder Test Section at the NCAT Pavement Test Track,” Proceedings of the 95th Annual Transportation Research Board, Washington, D.C., 2016.
Vrtis, M.C. and D.H. Timm, “Case Study on Premature Pavement Failure and Successful Reconstruction of a High RAP Section at the NCAT Test Track,” ASCE Transportation and Development Institute Airfield and Highway Pavement Conference, Miami, FL, 2015.
Diaz-Sanchez, M. and D.H. Timm, “Influence of Sustainable Technologies on In-Place Thermal Properties of Asphalt Pavements,” ASCE Transportation and Development Institute Airfield and Highway Pavement Conference, Miami, FL, 2015.
Guo, X., and D.H. Timm, “Local Calibration of MEPDG Using National Center for Asphalt Technology Test Track Data,” Proceedings of the 94th Annual Transportation Research Board, Washington, D.C., 2015.
Timm, D.H., Diaz-Sanchez, M. and B. Diefenderfer, “Field Performance And Structural Characterization of Full-Scale CCPR Pavements,” Proceedings of the 94th Annual Transportation Research Board, Washington, D.C., 2015.
Timm, D.H. and M.M. Robbins, “Perpetual Pavement Research at the NCAT Test Track,” Proceedings of the International Conference on Perpetual Pavements, Columbus, Ohio, 2014.
Robbins, M.M., N. Tran, D.H. Timm and J.R. Willis, “Stochastic Framework for Using the Fatigue Ratio Concept in Perpetual Pavement Design,” Proceedings of the International Conference on Perpetual Pavements, Columbus, Ohio, 2014.
Kluttz, R., R. Dongre, R.B. Powell, J.R. Willis and D.H. Timm, “Performance and Rational Design of Thin, Highly Modified Structural Pavements,” Proceedings of the International Conference on Perpetual Pavements, Columbus, Ohio, 2014.
Robbins, M. and D. Timm, “Development of Field-Calibrated Master Curves for In-Place Modulus,” Proceedings of the 12th ISAP Conference on Asphalt Pavements, Raleigh, NC, 2014.
Timm, D., M. Robbins and J.R. Willis, “Characteristics of Two Perpetual Pavements at the NCAT Test Track,” Proceedings of the 3rd International Conference on Transportation Infrastructure, Pisa, Italy, 2014.
Timm, D., and N. Tran, “Structural and Life Cycle Cost Analysis of Two Perpetual Pavements,” Proceedings of the 3rd International Conference on Transportation Infrastructure, Pisa, Italy, 2014.
Timm, D.H., M.M. Robbins, J.R. Willis and N. Tran, "Full-Scale Structural Performance Characterization of Trinidad Lake Asphalt Modified Flexible Pavement," Proceedings of the 93rd Annual Transportation Research Board, Washington, D.C., 2014.
Mai, D., R. Turochy and D. Timm, “Development of Traffic Factors for Rigid Pavement Design in MEPDG and Comparison with Factors Developed for Flexible Pavement Design,” Proceedings of the 93rd Annual Transportation Research Board, Washington, D.C., 2014.
Vargas-Nordcbeck, A. and D. Timm, "Structural Capacity of Open Graded Friction Courses," Ninth International Conference on the Bearing Capacity of Roads, Railways and Airfields, Trondheim, Norway, 2013.
Timm, D., M. Robbins and J. Willis, "Characterization of Two Perpetual Pavements at the NCAT Test Track," Ninth International Conference on the Bearing Capacity of Roads, Railways and Airfields, Trondheim, Norway, 2013, pp. 513-521.
Robbins, M. and D. Timm, "Prediction of Dynamic Modulus of Southeastern Asphalt Concrete Mixtures Using Artificial Neural Networks," Ninth International Conference on the Bearing Capacity of Roads, Railways and Airfields, Trondheim, Norway, 2013, 455-464.
Robbins, M. and D. Timm, "Characterizing the Load Spectra on a Rural Expressway in Binzhou, China: a Case Study," Ninth International Conference on the Bearing Capacity of Roads, Railways and Airfields, Trondheim, Norway, 2013, pp. 1023-1032.
Leiva-Villacora, F. and D.H. Timm, "Falling Weight Deflectometer Loading Pulse Duration and its Effect on Predicted Pavement Responses," Proceedings of the 92nd Annual Transportation Research Board, Washington, D.C., 2013.
Leiva-Villacora, F. and D.H. Timm, "Simulating the Effects of Instrumentation on Measured Pavement Response," 4th International Conference on Accelerated Pavement Testing, Davis, California, September 19-21, 2012.
Vargas-Nordcbeck, A. and D.H. Timm, "Structural Evaluation and Short Term Performance of Sustainable Pavement Sections at the NCAT Test Track," 4th International Conference on Accelerated Pavement Testing, Davis, California, September 19-21, 2012.
Timm, D.H., R. Powell, J.R. Willis and R. Kluttz, “Pavement Rehabilitation Using High Polymer Asphalt Mix,” Proceedings of the 91st Annual Transportation Research Board, Washington, D.C., 2012.
Vargas-Nordcbeck, A. and D.H. Timm, “Evaluation of Pavement Responses of Warm Mix Asphalt Sections at the NCAT Test Track,” Proceedings of the 2nd International Warm Mix Conference, St. Louis, Missouri, October 11-13, 2011.
Davis, K. and D. Timm, “Structural Coefficients and Life Cycle Cost,” Proceedings, T&DI Congress 2011: Integrated Transportation and Development for a Better Tomorrow, Proceedings of the First T&DI Congress 2011, American Society of Civil Engineers, Chicago, IL, 2011, pp. 646-655.
Vargas-Nordcbeck, A. and D. Timm, “Evaluation of Pavement Temperatures of Various Pavement Sections,” Proceedings, T&DI Congress 2011: Integrated Transportation and Development for a Better Tomorrow, Proceedings of the First T&DI Congress 2011, American Society of Civil Engineers, Chicago, IL, 2011, pp. 782-791.
Ellison, A. and D. Timm, “Speed and Temperature Effects on Full-Scale Pavement Responses in Non-Conventional Flexible Pavements ,” Proceedings, T&DI Congress 2011: Integrated Transportation and Development for a Better Tomorrow, Proceedings of the First T&DI Congress 2011, American Society of Civil Engineers, Chicago, IL, 2011, pp. 824-833.
Leiva-Villacorta, F. and D. Timm, “Effects of Asphalt Pavement Instrumentation on In Situ Density,” Proceedings, T&DI Congress 2011: Integrated Transportation and Development for a Better Tomorrow, Proceedings of the First T&DI Congress 2011, American Society of Civil Engineers, Chicago, IL, 2011, pp. 607-616.
Timm, D., M. Robbins and R. Kluttz, “Full-Scale Structural Characterization of a Highly Polymer-Modified Asphalt Pavement,” Proceedings of the 90th Annual Transportation Research Board, Washington, D.C., 2011.
Leiva-Villacorta, F. and D. Timm, “Analysis of Measured Versus Predicted Critical Pavement Strain Responses,” Proceedings of the 90th Annual Transportation Research Board, Washington, D.C., 2011.
Robbins, M.M., D.H. Timm and R.W. May, “Structural Design of Sulfur-Modified Warm-Mix Asphalt,” Proceedings of the 89th Annual Transportation Research Board, Washington, D.C., 2010.
Timm, D.H., D. Gierhart and J.R. Willis, “Strain Regimes Measured in Two Full Scale Perpetual Pavements,” Proceedings, International Conference on Perpetual Pavements, Columbus, Ohio, 2009.
Timm, D.H., M.M. Robbins and R.W. May, “Incorporation of Sulfur Extended Asphalt Mix in Perpetual Pavement Design,” Proceedings, International Conference on Perpetual Pavements, Columbus, Ohio, 2009.
Robbins, M.M. and D.H. Timm, “Effects of Strain Pulse Durations on Tensile Strain in a Perpetual Pavement,” Proceedings, International Conference on Perpetual Pavements, Columbus, Ohio, 2009.
Willis, J.R. and D.H. Timm, “A Comparison of Laboratory Fatigue Thresholds to Measured Strains in Full-Scale Pavements,” Proceedings, International Conference on Perpetual Pavements, Columbus, Ohio, 2009.
Robbins, M.M. and D.H. Timm, “An Investigation into Strain Pulse Durations on a Full-Scale Instrumented Pavement,” Proceedings of the 88th Annual Transportation Research Board, Washington, D.C., 2009.
Robbins, M.M. and D.H. Timm, “Temperature and Velocity Effects on a Flexible Perpetual Pavement,” 3rd International Conference on Accelerated Pavement Testing, Madrid, Spain, 2008.
Taylor, A.J. and D.H. Timm, “Effects of Pavement Distress on Measured Pavement Response Under Accelerated Loading,” 3rd International Conference on Accelerated Pavement Testing, Madrid, Spain, 2008.
Timm, D.H., Peters, K.D. and R.E. Turochy, “Effects of Axle Load Spectra Shifts on Highway Infrastructure Damage and Cost,” Proceedings of the International Conference on Heavy Vehicles, Paris, France, 2008.
Peters, K.D. and D.H. Timm, “Effects of Increasing Truck Weight Limit on Highway Infrastructure Damage,” Proceedings of the International Conference on Heavy Vehicles, Paris, France, 2008.
Priest, A.L. and D.H. Timm, “A Framework for Flexible Pavement Fatigue Transfer Function Calibration Using Accelerated Full Scale Testing,” Proceedings of the 87th Annual Transportation Research Board, Washington, D.C., 2008.
Timm, D.H. and A.L. Priest, “Flexible Pavement Fatigue Cracking and Measured Strain Response at the NCAT Test Track,” Proceedings of the 87th Annual Transportation Research Board, Washington, D.C., 2008.
Timm, D.H. and A.L. Priest, "Utilization of Embedded Instrumentation to Enhance Material Characterization in Backcalculation," International Conference on the Advanced Characterization of Pavement and Soil Engineering Materials, Athens, Greece, June 2007, pp. 833-841.
Willis, J.R. and D.H. Timm, "Forensic Investigation of a Rich Bottom Flexible Pavement Under Accelerated Loading," International Conference on the Advanced Characterization of Pavement and Soil Engineering Materials, Athens, Greece, June 2007, pp. 1021-1030.
Huber, G., D.H. Timm, Yang and Gao, “Perpetual Pavements: Applying the Approach to Very Heavy Loads,” International Conference on the Advanced Characterization of Pavement and Soil Engineering Materials, Athens, Greece, June 2007, pp. 1723 – 1734.
Immanuel, S.S. and D.H. Timm, “A Field-Calibrated Strain Rut Prediction Model,” Proceedings of the 86th Meeting of the Transportation Research Board, Washington, D.C. 2007.
Timm, D.H., D.E. Newcomb and S. Suresh Immanuel, “A Practical Guide to Low Volume Road Perpetual Pavement Design,” International Conference on Perpetual Pavements, Columbus, Ohio, 2006.
Yongshun Yang, Xuechi Gao, Wang Lin, D.H. Timm, A.L. Priest, G.A. Huber and D.A. Andrewski, “Perpetual Pavements in China,” International Conference on Perpetual Pavements, Columbus, Ohio, 2006.
Timm, D.H. and A.L. Priest, “Practical Treatment of Dynamic Pavement Response Data,” 10th International Conference on Asphalt Pavements, International Society of Asphalt Pavements, Quebec, 2006.
Selvaraj, S.I. and D.H. Timm, “Measured and Theoretical Pressures in Base and Subgrade Layers Under Dynamic Truck Loading,” Transportation and Development Institute Airport and Highway Specialty Conference, American Society of Civil Engineers, Atlanta, 2006.
Timm, D.H., “Design Comparisons Using the New Mechanistic-Empirical Rigid Pavement Design Guide,” Transportation and Development Institute Airport and Highway Specialty Conference, American Society of Civil Engineers, Atlanta, 2006.
Timm, D.H. and A.L. Priest, “Measurement of Wheel Wander Under Live Traffic Conditions,” 7th International Conference on the Bearing Capacity of Roads, Railways and Airfields, Trondheim, Norway, 2005.
Barrett, W.E. and D.H. Timm, “Theoretical vs Measured Pavement Responses Under Dynamic Loading,” 7th International Conference on the Bearing Capacity of Roads, Railways and Airfields, Trondheim, Norway, 2005.
Timm, D.H. and J. Young, “The Effects of Load Spectra and Variability on Perpetual Pavement Design,” International Symposium on Design & Construction of Long Lasting Asphalt Pavements, International Society for Asphalt Pavements, Auburn, AL, 2004.
Guzina, Timm and Voller, “Prediction of Thermal Crack Spacing,” 2nd International Conference on Thermal Process Modeling and Computer Simulation, Nancy, France, 2003.
Timm, David H., David E. Newcomb and Bjorn Birgisson, “Variability of Mechanistic-Empirical Flexible Pavement Design Parameters,” Fifth International Conference on the Bearing Capacity of Roads and Airfields, Trondheim, Norway, 1998, pp. 629-638.
V. R. Voller, D. E. Newcomb, B. Chadbourn, R. De Sombre, D. Timm, and J. A. Luoma, “A Computer Tool for Predicting for Cooling of Asphalt Pavements,” Proceedings of the Ninth International Conference on Cold Regions Engineering held in Duluth, Minnesota, September 27-30, 1998, pp. 661-671.
Chadbourn, Bruce A., David E. Newcomb, and David H. Timm, “Measured and Theoretical Comparisons of Traffic Loads and Pavement Response Distributions,” Proceedings, Eighth International Conference on Asphalt Pavements, Seattle, WA, 1997, pp. 229-238.
Technical Reports
Diefenderfer, B.K., D.H. Timm and B.F. Bowers, “Structural Study of Cold Central Plant Recycling Sections at the National Center for Asphalt Technology (NCAT) Test Track: Phase II,” VTRC Report 19-R25, Virginia Transportation Research Council, 2019.
Rodezno, C., D.H. Timm, M.M. Robbins and N. Tran, “Material Selection Guidance for Asphalt Pavement Design,” NCAT Report 18-01, National Center for Asphalt Technology, Auburn University, 2018.
West, R.C., D.H. Timm, B. Powell, M. Heitzman, N. Tran, C. Rodezno, D. Watson, F. Leiva and A. Vargas, “Phase VI (2015-2018) NCAT Test Track Findings (Draft Report),” NCAT Report 18-04D, National Center for Asphalt Technology, Auburn University, 2018.
West, R.C., D.H. Timm, B. Powell, M. Heitzman, N. Tran, C. Rodezno, D. Watson, F. Leiva, A. Vargas, R. Willis, M. Vrtis and M. Diaz,” Phase V (2012-2014) NCAT Test Track Findings, “NCAT Report 16-04, National Center for Asphalt Technology, Auburn University, 2018.
Timm, D.H. and M.C. Vrtis, “Mechanistic Design Data from ODOT Instrumented Pavement Sites – Phase II Report,” Oregon Department of Transportation, SPR 763, 2017.
Tran, N., M.M. Robbins, C. Rodezno and D.H. Timm, “Pavement ME Design – Impact of Local Calibration, Foundation Support, and Design Reliability Thresholds,” NCAT Report 17-08, National Center for Asphalt Technology, Auburn University, 2017.
Robbins, C. Rodezno, N. Tran and D.H. Timm, “Pavement ME Design – A Summary of Local Calibration Efforts for Flexible Pavements,” NCAT Report 17-07, National Center for Asphalt Technology, Auburn University, 2017.
Timm, D.H., N. Tran and C. Rodezno, “Redesign & Updates of the Perpetual Pavement Design Software: PerRoad Version 4.3,” NCAT Research Synopsis 17-06S, National Center for Asphalt Technology, Auburn University, 2017.
Diefenderfer, B.K., M.A. Diaz-Sanchez, D.H. Timm and B.F. Bowers, “Structural Study of Cold Central Plant Recycling Sections at the National Center for Asphalt Technology (NCAT) Test Track,” Final Report VTRC 17-R9, Virginia Transportation Research Council, 2016.
Tran. N., M.M. Robbins, D.H. Timm, J.R. Willis and C. Rodezno, "Refined Limiting Strain Criteria and Approximate Ranges of Maximum Thicknesses for Designing Long-Life Asphalt Pavements ," Report No. 15-05, National Center for Asphalt Technology, Auburn University, 2015.
Timm, D.H., M.M. Robbins, N. Tran and C. Rodezno, "Recalibration Procedures for the Structural Asphalt Layer Coefficient in the 1993 AASHTO Pavement Design Guide," Report No. 14-08, National Center for Asphalt Technology, Auburn University, 2014.
Timm, D.H., M.M. Robbins, J.R. Willis, N. Tran and A.J. Taylor, "Field and Laboratory Study of Trinidad Lake Asphalt Mixtures at the NCAT Test Track," Report No. 14-05, National Center for Asphalt Technology, Auburn University, 2014.
Timm, D.H., M.M. Robbins, N. Tran and C. Rodezno, "Flexible Pavement Design - State of the Practice," Report No. 14-04, National Center for Asphalt Technology, Auburn University, 2014.
Timm, D.H., M.M. Robbins, J.R. Willis and A.J. Taylor, "Field and Laboratory Study of High-Polymer Mixtures at the NCAT Test Track: Final Report," Report No. 13-03, National Center for Asphalt Technology, Auburn University, 2013.
Vargas-Nordcbeck, A. and D. Timm, "Physical and Structural Characterization of Sustainable Asphalt Pavement Sections at the NCAT Test Track," Report No. 13-02, National Center for Asphalt Technology, Auburn University, 2013.
West, R., D. Timm, R. Willis, B. Powell, N. Tran, D. Watson, M. Sakhaeifar, R. Brown, M. Robbins, A. Vargas-Nordcbeck, F. Leiva-Villacorta, X. Guo and J. Nelson, "Phase IV NCAT Test Track Findings," Report No. 12-10, National Center for Asphalt Technology, Auburn University, 2012.
Timm, D.H., M.M. Robbins, J.R. Willis, N. Tran and A.J. Taylor, "Field and Laboratory Study of High-Polymer Mixtures at the NCAT Test Track: Interim Report" Report No. 12-08, National Center for Asphalt Technology, Auburn University, 2012.
Timm, D.H., M.M. Robbins, J.R. Willis, N. Tran and A.J. Taylor, "Evaluation of Mixture Performance and Structural Capacity of Pavements Using Shell Thiopave: Phase II - Construction, Laboratory Evaluation, and Full-Scale Testing of Thiopave Test Sections - Final Report," Report No. 12-07, National Center for Asphalt Technology, Auburn University, 2012.
Timm, D.H., M.M. Robbins, J.R. Willis, N. Tran and A.J. Taylor, "Evaluation of Mixture Performance and Structural Capacity of Pavements Using Shell Thiopave: Phase II - Construction, Laboratory Evaluation, and Full-Scale Testing of Thiopave Test Sections - One Year Report," Report No. 11-03, National Center for Asphalt Technology, Auburn University, 2011.
Heitzman, M., D. Timm, G. Takle, D. Herzmann and D. Truax, "Developing MEPDG Climate Data Input Files for Mississippi," Final Report FHWA/MS-DOT-RD-11-232, Mississippi Department of Transportation, 2011.
N. Tran, A.J. Taylor, D.H. Timm, M.M. Robbins, B. Powell and R. Dongre, “Evaluation of Mixture Performance and Structural Capacity of Pavements Using Shell Thiopave,” Report No. 10-05, National Center for Asphalt Technology, Auburn University, 2010.
Willis, J.R. and D.H. Timm, “Field-Based Strain Thresholds for Flexible Perpetual Pavement Design,” Report No. 09-09, National Center for Asphalt Technology, Auburn University, 2009.
Newcomb, D.E., J.R. Willis and D.H. Timm, "Perpetual Asphalt Pavement - A Synthesis," Report IM-40, Asphalt Pavement Alliance, 2010.
Timm, D.H., R.E. Turochy and K.P. Davis, “Guidance for M-E Pavement Design Implementation,” Final Report, ALDOT Project 930-685, Highway Research Center, Auburn University, 2010.
Timm, D.H., “I-35 Pavement Instrumentation Phase II,” Final Report – FHWA-OK-09-04, ODOT SPR Item No. 2200, Oklahoma Department of Transportation, December, 2009.
Willis, J.R., D.H. Timm, R.C. West, R. Powell, M.M. Robbins, A.J. Taylor, A. Smit, N. Tran, M. Heitzman and A. Bianchini, “Phase III NCAT Test Track Findings,” Report No. 09-08, National Center for Asphalt Technology, Auburn University, 2009.
Willis, J.R. and D.H. Timm, “Repeatability of Asphalt Strain Gauges,” Report No. 09-07, National Center for Asphalt Technology, Auburn University, 2009.
Taylor, A.J. and D.H. Timm, "Mechanistic Characterization of Resilient Moduli for Unbound Pavement Layer Materials," Report No. 09-06, National Center for Asphalt Technology, Auburn University, 2009.
Timm, D.H., N. Tran, A.J. Taylor, M.M. Robbins and R. Powell, "Evaluation of Mixture Performance and Structural Capacity of Pavements Using Shell Thiopave®," Report No. 09-05, National Center for Asphalt Technology, Auburn University, 2009.
Peters-Davis, K. and D.H. Timm, "Recalibration of the Asphalt Layer Coefficient," Report No. 09-03, National Center for Asphalt Technology, Auburn University, 2009.
Timm, D.H., "Design, Construction, and Instrumentation of the 2006 Test Track Structural Study," Report No. 09-01, National Center for Asphalt Technology, Auburn University, 2009.
Timm, D.H., R. West, A.L. Priest, S.S. Immanuel, J. Zhang and E.R. Brown, "Phase II NCAT Test Track Results," Report No. 06-05, National Center for Asphalt Technology, Auburn University, 2006.
Willis, J.R. and D.H. Timm, "Forensic Investigation of a Rich Bottom Pavement," Report No. 06-04, National Center for Asphalt Technology, Auburn University, 2006.
Priest, A.L. and D.H. Timm, "Methodology and Calibration of Fatigue Transfer Functions for Mechanistic-Empirical Flexible Pavement Design," Report No. 06-03, National Center for Asphalt Technology, Auburn University, 2006.
Timm, D.H. and A.L. Priest, “Material Properties of the 2003 NCAT Test Track Structural Study,” Report No. 06-01, National Center for Asphalt Technology, Auburn University, 2006.
Turochy, R.E., D.H. Timm and S.M. Tisdale, “Truck Equivalency Factors, Load Spectra Modeling and Effects on Pavement Design,” Report No. 930-594, Auburn University Highway Research Center, 2005.
Priest, A.L., D.H. Timm and W.E. Barrett, "Mechanistic Comparison of Wide-Base vs. Standard Dual Tire Configurations," Report No. 05-03, National Center for Asphalt Technology, Auburn University, 2005.
Timm, D.H. and A.L. Priest, "Wheel Wander at the NCAT Test Track," Report No. 05-02, National Center for Asphalt Technology, Auburn University, 2004.
Timm, D.H. and A.L. Priest, "Dynamic Pavement Response Data Collection and Processing at the NCAT Test Track," Report No. 04-03, National Center for Asphalt Technology, Auburn University, 2004.
Timm, D.H. and A.M. Warren, "Performance of Rubblized Pavement Sections in Alabama," Auburn University Highway Research Center, Report No. IR-04-02, 2004.
Timm, D.H., A.L. Priest and T.V. McEwen, "Design and Instrumentation of the Structural Pavement Experiment at the NCAT Test Track," Report No. 04-01, National Center for Asphalt Technology, Auburn University, 2004.
Timm, D.H. and J.M. McQueen, "A Study of Manual vs. Automated Pavement Condition Surveys," Auburn University Highway Research Center, Report No. IR-04-01, 2004.
Skok, E.L., Timm, D.H., Brown, M.L. and Clyne, T.R., “Best Practices for the Design and Construction of Low Volume Roads,” Final Report, MN/RC-2002-17, Minnesota Department of Transportation, St. Paul, MN, 2002.
Timm, Guzina and Voller, “Prediction of Thermal Crack Spacing,” Supercomputing Institute for Digital Simulation and Advanced Computation, Report No. UMSI 2002/08, University of Minnesota, 2002.
Voller, McGannon, Rindal, Timm, Clyne, Newcomb, “Measurement of Moisture in Aggregate Stockpiles,” Minnesota Department of Transportation, Report No. MN/RC 2001-21, St. Paul, MN, 2001.
Timm, D.H., David E. Newcomb and Theodore V. Galambos, “Incorporation of Reliability into the Minnesota Mechanistic-Empirical Pavement Design Method,” Final Report, MN/RC-1999-35, Minnesota Department of Transportation, St. Paul, MN, 1999.
Newcomb, D.E., Skok, E.L. and Timm, D.H., “Minnesota Load Volume Road Design 1998,” Final Report, MN/RC-1999-34, Minnesota Department of Transportation, St. Paul, MN, 1999.
Timm, D.H., D.E. Newcomb and B. Birgisson, “Mechanistic-Empirical Flexible Pavement Thickness Design: The Minnesota Method,” Staff Paper, MN/RC-P99-10, Minnesota Department of Transportation, St. Paul, MN, 1999.
Chadbourn, B. A., D. E. Newcomb, V. R. Voller, R. A. DeSombre, J. A. Luoma and D. H. Timm, “An Asphalt Paving Tool for Adverse Conditions,” Final Report, MN/RC-1998-18, Minnesota Department of Transportation, St. Paul, MN, 1998.
Invited Articles
Timm, D.H., “Thick Lift Paving at the NCAT Test Track,” The Alabama Roadbuilder, Alabama Road Builders Association, Spring 2019, pp. 6 – 8.
Timm, D., A. Vargas-Nordcbeck and J.R. Willis, "Test Track Shows Outstanding Results for Warm Mix with 50% RAP," Asphalt Pavement Magazine, Volume 17, No. 2, March/April 2012, pp. 60-68.
Timm, D., M. Robbins and G. Huber, "Perpetual Pavements Withstand the Heaviest Trucks," Asphalt Pavement Magazine, Volume 17, No. 1, January/February 2012, pp. 42-47.
Timm, D. and A. Vargas-Nordcbeck, "NCAT Explores Structural Value of OGFCs," Asphalt Pavement Magazine, Volume 17, No. 1, January/February 2012, pp. 48-55.
Timm, D.H., "Comes at You Fast," Asphalt Today, February 2011, pp. S21-S23.
Newcomb, D.E., J.R. Willis and D.H. Timm, "Designing Perpetual Pavements", Hot Mix Asphalt Technology, Volume 15, No. 5, September/October 2010, pp. 26-35.
Timm, D.H. and K.P. Davis, "Are We Underestimating the Strength of Asphalt?" Hot Mix Asphalt Technology, Volume 15, No. 1, January/February 2010, pp. 24-29.
Timm, D.H., "Perpetual Pavement Design for Low Volume Roads," Paving the Way, Asphalt Pavement Association of Indiana, May 2007.
Timm, D.H., "Life Cycle Cost Analysis of a Perpetual Pavement," Ohio Asphalt Magazine, Issue 1, Vol. 4, Flexible Pavements of Ohio, Winter 2007, pp. 12-13.
Timm, D.H. and A.L. Priest "Year of the Pavement," Roads and Bridges, Vol. 44, No. 9, September, 2006.
Timm, D.H., A.L. Priest, Yongshun Yang and Xuechi Gao, "Perpetual Pavements in China," Hot Mix Asphalt Technology, Vol. 11, No. 3, May/June 2006, pp. 14 - 19.
Timm, D.H., "Perpetual Pavement Research at the NCAT Test Track," Better Roads, November, 2004.
Barrett, W.E., Timm, D.H. and Stroup-Gardiner, M., “Construction in Adverse Conditions: An Industry Survey,” Hot Mix Asphalt Technology, Volume 8, No. 1, 2003, pp. 33-34.
Timm, D.H., Newcomb, D.E., “Lies, Damned Lies and Traffic Forecasting,” Hot Mix Asphalt Technology, Volume 7, No. 3, 2002.
Newcomb, D.E., Timm, D.H. and Mahoney, J. “Mechanistic Pavement Design: It's Still Dirt, Rocks, and Asphalt, Right?” Hot Mix Asphalt Technology, Volume 7, No. 2, 2002.
Newcomb, D.E. and Timm, D.H., “Mechanistic Pavement Design: A Homogenized, Icey-Tropic Half-What?” Hot Mix Asphalt Technology, Volume 7, No. 1, 2002, pp. 26-30.
Newcomb, D.E. and Timm, D.H., “Mechanistic Pavement Design: The Next Wave,” Hot Mix Asphalt Technology, Volume 6, No. 5, 2001, pp. 49 – 51.