Erol Tutumluer, Ph.D.

2018

• Lima, A. de O., M.S. Dersch, E. Tutumluer, J.R. Edwards and Y. Qian. 2018. Support Condition and Traffic Loading Patterns Influencing Laboratory Determination of Under Ballast Mat Bedding Modulus and Insertion Loss. In: Proceedings of Transportation Research Board 97th Annual Conference. Washington, DC. doi:10.1177/0361198118793501.
• Lima, A. de O., M.S. Dersch, E. Tutumluer, J.R. Edwards and Y. Qian. 2018. Support condition and traffic loading patterns influencing laboratory determination of under-ballast mat bedding modulus and insertion loss. Transportation Research Record: Journal of the Transportation Research Board. 2672 (10): 74-84. doi:10.1177/0361198118793501.
• Lima, A. de O., M.S. Dersch, Y. Qian, E. Tutumluer and J.R. Edwards. 2018. Laboratory fatigue performance of under-ballast mats under varying loads and support conditions. Journal of Rail and Rapid Transit, Part F. doi:10.1177/0954409718795920.

2017

• Lima, A. de O., M.S. Dersch, Y. Qian, E. Tutumluer and J.R. Edwards. 2017. Laboratory Evaluation of Under-ballast Mat Effectiveness to Mitigate Differential Movement Problem in Railway Transition Zones. In: 10th International Conference on the Bearing Capacity of Roads, Railways and Airfields. Athens, Greece. doi:10.1201/9781315100333-279.
• Lima, A. de O., M.S. Dersch, Y. Qian, E. Tutumluer and J.R. Edwards. 2017. Laboratory Mechanical Fatigue Performance of Under-ballast Mats Subjected to North American loading Conditions. In: Proceedings of the 11th International Heavy Haul Association Conference. Cape Town, South Africa.

2016

• Qian, Y., D. Mishra, E. Tutumluer, Y.M.A. Hashash and J. Ghaboussi. 2016. Moisture Effects on Degraded Ballast Shear Strength Behavior. In: Proceedings of the 2016 Joint Rail Conference. Columbia, SC. doi:10.1115/JRC2016-5840.

2015

• Qian, Y., E. Tutumluer, D. Mishra and H. Kazmee. 2015. Characterization of geogrid reinforced ballast behavior at different levels of degradation through triaxial shear strength test and discrete element modeling. Geotextiles and Geomembranes. 43 (5): 393-402. doi:10.1016/j.geotexmem.2015.04.012.
• Qian, Y., E. Tutumluer, Y.M.A. Hashash and J. Ghaboussi. 2015. Ballast settlement ramp to mitigate differential settlement in a bridge transition zone. Transportation Research Record: Journal of the Transportation Research Board. 2476: 45-52. doi:10.3141/2476-07.
• Saat, M.R., F. Bedini Jacobini, E. Tutumluer and C.P.L. Barkan. 2015. Identification of High-Speed Rail Ballast Flight Risk Factors and Risk Mitigation Strategies - Final Report. U.S. Department of Transportation, Federal Railroad Administration, Washington, DC, pp. 76, DOT/FRA/ORD-15/03.

2014

• Boler, H., Y. Qian and E. Tutumluer. 2014. Influence of size and shape properties of railroad ballast on aggregate packing: Statistical analysis. Transportation Research Record: Journal of the Transportation Research Board. 2448: 94-104.
• Mishra, D., Y. Qian, H. Hai and E. Tutumluer. 2014. An integrated approach to dynamic analysis of railroad track transitions behavior. Transportation Geotechnics. 1 (2014): 188-200. doi:10.1016/j.trgeo.2014.07.001.
• Mishra, D., Y. Qian, H. Kazmee and E. Tutumluer. 2014. Investigation of geogrid-reinforced railroad ballast behavior using large-scale triaxial testing and discrete element modeling. Transportation Research Record: Journal of the Transportation Research Board. 2462: 98-108. doi:10.3141/2462-12.
• Moaveni, M., Y. Qian, H. Boler and E. Tutumluer. 2014. Investigation of Ballast Degradation and Fouling Trends Using Image Analysis. In: Second International Conference on Railway Technology: Research, Development and Maintenance. Ajaccio, Corsica, France.
• Qian, Y., E. Tutumluer, D. Mishra and H. Kazmee. 2014. Behavior of Geogrid Reinforced Ballast at Different Levels of Degradation. In: GeoShanghai International Conference. Shanghai, China.
• Qian, Y., E. Tutumluer, Y.M.A. Hashash and J. Ghaboussi. 2014. Effects of Ballast Degradation on Permanent Deformation Behavior from Large-scale Triaxial Tests. In: Proceedings of the 2014 Joint Rail Conference. Colorado Springs, CO.
• Qian, Y., H. Boler, M. Moaveni, E. Tutumluer, Y.M.A. Hashash and J. Ghaboussi. 2014. Characterizing ballast degradation through Los Angeles abrasion test and image analysis. Transportation Research Record: Journal of the Transportation Research Board. 2448: 142-151. doi:10.3141/2448-17.
• Qian, Y., S.J. Lee, E. Tutumluer, Y.M.A. Hashash, D. Mishra and J. Ghaboussi. 2014. Simulating ballast shear strength from large scale triaxial tests: Discrete element method. Transportation Research Record: Journal of the Transportation Research Board. 2374: 126-135.
• Xiao, Y., E. Tutumluer and Y. Qian. 2014. DEM Approach for Engineering Aggregate Gradation and Shape Properties Influencing Mechanical Behavior of Unbound Aggregate Materials. In: ASCE Geo-Institute, Geo-Congress 2014 Technical Papers. Atlanta, GA, pp. 2898 - 2910.

2013

• Bedini Jacobini, F., E. Tutumluer and M.R. Saat. 2013. Identification of High-Speed Rail Ballast Flight Risk Factors and Risk Mitigation Strategies. In: Proceedings of the 10th World Congress on Railway Research. Sydney, Australia.
• Mishra, D., Y. Qian, E. Tutumluer and H. Huang. 2013. An Integrated Approach to Dynamic Analysis of Railroad Track Transitions Behavior. In: 6th International Symposium on Environmental Vibration. Shanghai, China. doi:10.1016/j.trgeo.2014.07.001.
• Qian, Y., D. Mishra, E. Tutumluer and J. Kwon. 2013. Comparative Evaluation of Different Aperture Geogrids for Ballast Reinforcement through Triaxial Testing and Discrete Element Modeling. In: Geosynthetics 2013. Long Beach, CA.
• Qian, Y., D. Mishra, E. Tutumluer and J. Kwon. 2013. Discrete Element Modeling of Ballast Reinforced with Triangular Aperture Geogrid. In: 9th International Conference on Bearing Capacity of Roads, Railways and Airfields. Trondeim, Norway.
• Qian, Y., E. Tutumluer, D. Mishra and H. Kazmee. 2013. Effect of Geogrid Reinforcement on Railroad Ballast Performance Evaluated through Triaxial Testing and Discrete Element Modeling. In: 18th International Conference on Soil Mechanics and Geotechnical Engineering. Paris, France.
• Tutumluer, E., Y. Qian, Y.M.A. Hashash, J. Ghaboussi and D. Davis. 2013. Discrete element modeling of ballasted track deformation behavior. International Journal of Rail Transportation. 1 (1-2): 57-73. doi:10.1080/23248378.2013.788361.

2012

• Tutumluer, E., T.D. Stark, D. Mishra and J.P. Hyslip. 2012. Investigation and Mitigation of Differential Movement at Railway Transitions for US High Speed Passenger Rail and Joint Passenger/Freight Corridors. In: Proceedings of the ASME Joint Rail Conference. Philadelphia, PA. doi:10.1115/JRC2012-74074.
• Xiao, Y., E. Tutumluer, Y. Qian and J.A. Siekmeier. 2012. Gradation effects influencing mechanical properties of aggregate base/granular subbase materials in Minnesota. Transportation Research Record: Journal of the Transportation Research Board. 2267: 14 - 16.

2011

• Qian, Y., E. Tutumluer and H. Huang. 2011. Ballast Vibrations and Deformations due to Different Train Loading Scenarios Studied using the Discrete Element Method. In: 5th International Symposium on Environmental Vibration (ISEV2011). Chengdu, Sichuan, China.
• Tutumluer, E., Y. Qian, Y.M.A. Hashash and J. Ghaboussi. 2011. Field Validated Discrete Element Model for Railroad Ballast. In: Proceedings of the American Railway Engineering and Maintenance-of-Way Association Annual Conference. Minneapolis, MN.

2009

• Huang, H., E. Tutumluer and W. Dombrow. 2009. Laboratory characterization of fouled railroad ballast behavior. Transportation Research Record: Journal of the Transportation Research Board. 2117: 93-101. doi:10.3141/2117-12.
• Tutumluer, E., H. Huang, Y.M.A. Hashash and J. Ghaboussi. 2009. AREMA Gradations Affecting Ballast Performance Using Discrete Element Modeling (DEM) Approach. In: Proceedings of the American Railway Engineering and Maintenance-of-Way Association Annual Conference. Chicago, IL.

2008

• Tutumluer, E., W. Dombrow and H. Huang. 2008. Laboratory Characterization of Coal Dust Fouled Ballast Behavior. In: Proceedings of the American Railway Engineering and Maintenance-of-Way Association Annual Conference. Salt Lake City, UT.

2007

• Tutumluer, E., H. Huang, Y. Hashash and J. Ghaboussi. 2007. Discrete Element Modeling of Railroad Ballast Settlement. In: Proceedings of the American Railway Engineering and Maintenance-of-Way Association Annual Conference. Chicago, IL.