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Elias Toubia

Professor

Full-Time Faculty

School of Engineering: Department of Civil and Environmental Engineering and Engineering Mechanics

Contact

Email: Elias Toubia
Phone: 937-229-3847
Kettering Laboratories Room 422

Selected Publications

  • Toubia, E. A., Sihn, S., Pitz, J., Vernon, J. P., Flores, M., & Parks, S. (2021). Thermal response and edgewise compression failure of thermally degraded sandwich composite structures. Composite Structures, 256, 113070.
  • Toubia, E. A., Alomari, A., Morgan, A. B., & Klosterman, D. (2021). Influence of heat damage on the bolted double lap joint strength of pultruded E-glass/polyester composites. Thin-Walled Structures, 163, 107764.
  • Oluwabusi, O. E., & Toubia, E. A. (2020). Effect of central circular cut-out and low velocity impact damage on shear buckling and post-buckling of composite laminated plates. Composite Structures, 245, 112304.
  • Oluwabusi, O. E., Toubia, E. (2019). In-plane shear characterization of composite GFRP-foam sandwich panels. Journal of Composites for Construction, 23(5), 04019034. https://dx.doi.org/10.1061/(asce)cc.1943-5614.0000959 
  • Elmushyakhi, A., Toubia, E., Morgan, A. B. (2019). Post-fire failure mechanisms of seawater-accelerated weathering composites for coastal and marine structures. Marine Structures, 63, 304-317. http://dx.doi.org/10.1016/j.marstruc.2018.10.004
  • Toubia, E., & Elmushyakhi, A. (2017). Influence of core joints in sandwich composites under in-plane static and fatigue loads. Materials and Design/Elsevierdoi.org/10.1016/j.matdes.2017.06.009
  • Toubia, E. A., Emami, S., & Klosterman, D. (2017). Degradation mechanisms of balsa wood and PVC foam sandwich core composites due to freeze/thaw exposure in saline solution. Journal of Sandwich Structures & Materials, 1099636217706895.
  • Toubia, E. A., & Emami, S. (2016). Experimental evaluation of structural steel coating systems. Journal of Materials in Civil Engineering28(12), 04016147.
  • Toubia, E. A., Emami, S., & Klosterman, D. (2016). Failure mechanism of woven roving fabric/vinyl ester composites in freeze–thaw saline environment. Journal of Composite Materials, 0021998316681860.
  • Marziale, S.A., & Toubia, E. 2015. Analysis of brick veneer on concrete masonry wall subjected to in-plane load. Structures 2: 1-7. http://www.journals.elsevier.com/structures
  • Elmir, C., Toubia, E., & Brockman, R. (2014, December). Analysis of cylindrical sandwich structures with weak orthotropic core under patch loading. Engineering Structures, 80(1), 89-97.
  • Morgan, A., & Toubia, E. (2014, July). Cone calorimeter and room corner fire testing of balsa wood core/phenolic composite skin sandwich panels. Journal of Fire Sciences, 32(4), 328-345.
  • Lintz, J., & Toubia, E. (2013, December). In-plane loading of brick veneer over wood shear walls. TMS Journal, 31(1), 15-27, Longmont, Colorado: The Masonry Society.

Selected Conference Papers and Presentations

  • Alomari, A., Toubia, E. A., Morgan, A. B., Klosterman, D. A. (2019). Effect of heat damage on the double lap joint strength of pultruded E-glass/polyester composites. Anaheim, CA: CAMX – The Composites and Advanced Materials Expo. https://www.thecamx.org/
  • Toubia, E., Flores, M., Rapking, D. J. (2019). In Kalaitzidou, K. (Ed.), A systematic experimental approach for damage quantification in sandwich structures under low-heat fire induced damage. DEStech Publications: ASC. http://www.dpi-proceedings.com/index.php/asc34/author/submission/27962
  • Rapking, D., Whitney, T. J., Toubia, E., Mollenhauer, D., Klosterman, D. A. (2019). Damage progression of notched and unnotched composite laminates under picture-frame shear loading. Melbourne: 22nd International Conference on Composite Materials.
  • Elmushyakhi, A., Toubia, E. A., & Morgan, A. B. (2018). Effect of localized fire damage on failure mode shifts in sandwich structures. In 12th International Conference on Sandwich Structures ICSS-12: Proceedings (No. CONF, pp. 251-253). EPFL-CCLab Composite Construction Laboratory.
  • Oluwabusi, O. E., Toubia, E. A., & Hill, S. (2018). Assessing the in-plane core shear contribution of composite sandwich plates using the picture frame test method. In 12th International Conference on Sandwich Structures ICSS-12: Proceedings (No. CONF, pp. 194-197). EPFL-CCLab Composite Construction Laboratory.
  • Toubia, E. (2018). Novel testing methodology of two-coat and three-coat systems for steel bridge structures. Proceedings of the  SSPC 2018- New Orleans: The Coating Society -SSPC 2018http://www.sspc.org/event-sspc2018
  • Toubia, E., Morgan, A. B., & Elmushyakhi, A. (2017, October). Post-fire residual mechanical properties of a composite laminate — experimental study. CAMX: The Composites and Advanced Materials Expo, Dallas, TX. https://www.thecamx.org/
  • Toubia, E. (2017). Reliability-based approach for sandwich core composites. Annual International Conference on Composites or Nano Engineering: ICCE-25. July 16-22, in Rome, Italy.
  • Toubia, E., and S. Emami. 2016. Durability of sandwich composite structures due to freezing and thawing and ice chemicals. CAMX: The Composites and Advanced Materials Expo. http://www.thecamx.org
  • Toubia, E., M. Md. Rahman, and I. Sergeichev. 2016. Effect of core joints on axial fatigue of composite sandwich structures. CAMX: The Composites and Advanced Materials Expo. http://www.thecamx.org/
  • Naji, Behnam, and Elias A. Toubia. 2015. Flexural analysis and composite behavior of precast concrete sandwich panel. fib Symposium, Concrete – Innovation and Design, May 18-20, in Copenhagen, Denmark.
  • Ishtewi, Ahmad M., and Elias A. Toubia. 2015. Shear capacity of fiber-reinforced concrete. fib Symposium, Concrete – Innovation and Design, May 18-20, in Copenhagen, Denmark.
  • Toubia, Elias A., James M. Lintz, and Stephen A. Marziale. 2015. Effect of lateral ties on in-plane coupling of brick veneer on wood frame construction. The 12th North American Masonry Conference, May 17-20, in Denver, Colorado.
  • Toubia, E., C. Elmir, and R. Brockman. 2015. Analysis of cylindrical sandwich structures with weak orthotropic core under patch loading. 18th International Conference on Composite Structures (ICCS), June, in Lisbon, Portugal.
  • Bednarcyk, B.A., P. Yarrington, C. Lucking, C. Collier, J. Ainsworth, and E. Toubia. 2011. Efficient design and analysis of lightweight reinforced core sandwich and PRSEUS structures. 52nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. doi: 10.2514/6.2011-1909

Selected Patent

  • Toubia, Elias, and Danny Tilton. 2015. U.S. Patent publication number: US20150020463 A1, Rapid assembly of a modular structure. Contract No. N61331-10-C-0014 awarded by the U.S. Navy related to Advanced Composite Personnel Transport Module, (January 22).

Selected Honors and Awards

  • 2019 Summer Faculty Scholarship -Air Force Research Lab-WPAFB
  • 2018 Summer Faculty Scholarship -Air Force Research Lab-WPAFB
  • The Masonry Society Journal “Outstanding Paper Award” (2015)
  • Ph.D. Scholarship, Dayton Area of Graduate Studies-DAGSI (2004-2008)

Degrees

  • Ph.D., Civil Engineering, University of Dayton
  • M.S., Civil Engineering, University of Dayton
  • B.S., Civil Engineering, The Lebanese University

Courses Taught

  • Mechanics I
  • Mechanics II
  • Civil Engineering Materials
  • Design of Concrete Structures
  • Masonry Design
  • Design of Timber Structures
  • Structural Dynamics

Professional Activities

  • American Society of Engineering Education
  • American Concrete Institute
  • The Masonry Society
  • Society for the Advancement of Material and Process Engineering (SAMPE)​

Research Interests

  • Innovative structural design systems 
  • Structural materials and experimental testing 
  • Behavior of reinforced concrete and masonry structures 
  • Fiber-reinforced concrete