Contact Information:

City Campus (Lincoln)
(402) 472-2371

Research Engineer

About Me:


  • Ph.D., Civil Engineering (Geotechnical and Materials Engineering), University of Nebraska-Lincoln, USA.
  • M.Sc., Civil Engineering (Geotechnical Engineering), Tarbiat Modares University, Tehran, Iran.
  • B.Sc., Civil Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran.

Work Experience

  • Research Engineer, Department of Civil and Environmental Engineering, University of Nebraska-Lincoln, USA, October 2021-present.
  • Postdoctoral Research Associate, Department of Civil and Environmental Engineering, University of Nebraska-Lincoln, USA, October 2020-October 2021.

Research Experience and Activities

  1. "Nebraska Balanced Mix Design -Phase I", Agency: Nebraska Department of Transportation, 07/2021 - 05/2023, Role: Co-PI, Funding: $137,947.
  2. "Using Corn Oil for Improving Performance of Asphalt Pavements - Phase II", Agency: Nebraska Corn Board, 07/2021 - 07/2022, Role: Co-PI Funding: $89,757.
  3. "Using Corn Oil for Improving Performance of Asphalt Pavements - Phase I", Agency: Nebraska Corn Board, 07/2020 - 07/2021, Role: Co-PIFunding: $79,738.

Teaching Experience

  • Instructor: Mechanics of Elastic Bodies (MECH325), Department of Mechanical Engineering, University of Nebraska-Lincoln.


  • Robert and Becky Reisdorff Fellowship, 2019.
  • Albert Schultz Civil Engineering Fellowship, 2019.
  • Nebraska Center for Materials and Nanoscience (NCMN) Graduate Fellowship, 2018-2019.
  • Milton Mohr Graduate Scholarship and Fellowship, College of Engineering, University of Nebraska-Lincoln, 2017–2018.
  • Best Paper Award at the International Conference on Maintenance and Rehabilitation of Construction Infrastructure, 2017.
  • First Place in Nano Art Competition, Nebraska Center for Materials and Nanoscience, 2016.

Publications (Google Scholar)

  1. Mahdieh Khedmati, Xiang Zhang, Shayan Gholami, Bai Cui, Yong-Rak Kim, Hyu-Soung Shin, Jangguen Lee, and Young-Jae Kim. "Spark Plasma Sintering (SPS) for ISRU-Oriented Lunar Soil Simulant Densification: Microstructural Evolution and Mechanical Characteristics." In Earth and Space 2021, pp. 1409-1418. 2021.
  2. Zhang, Xiang, Shayan Gholami, Mahdieh Khedmati, Bai Cui, Yong-Rak Kim, Young-Jae Kim, Hyu-Soung Shin, and Jangguen Lee. "Spark plasma sintering of a lunar regolith simulant: effects of parameters on microstructure evolution, phase transformation, and mechanical properties." Ceramics International 47, no. 4 (2021): 5209-5220.
  3. Lilian Ribeiro de Rezendeh, Santosh Reddy Kommidi, Mahdieh Khedmati, and Yong-Rak Kim, "Strain Sweep Fatigue Testing of Sand Asphalt Mortar to Investigate the Effects of Sample Geometry, Binder Film Thickness, and Testing Temperature". Transportation Research Board 100th Annual Meeting, no. TRBAM-21-01551: 2021.
  4. de Moura, Bárbara Luiza Riz, Jamilla Emi Sudo Lutif Teixeira, Renata Antoun Simão, Mahdieh Khedmati, Yong-Rak Kim, and Patrício José Moreira Pires. "Adhesion between steel slag aggregates and bituminous binder based on surface characteristics and mixture moisture resistance." Construction and Building Materials 264 (2020): 120685.
  5. Mahdieh Khedmati, and Yong-Rak Kim. "Multiscale Characterization to Examine the Effects of Aggregate Properties on Aggregate-Paste Interphase in Cement Concrete Mixtures." Journal of Materials in Civil Engineering 32, no. 4 (2020): 04020059.
  6. Xiang Zhang, Mahdieh Khedmati, Yong‐Rak Kim, Hyu‐Soung Shin, Jangguen Lee, Young‐Jae Kim, and Bai Cui. "Microstructure evolution during spark plasma sintering of FJS‐1 lunar soil simulant." Journal of the American Ceramic Society 103, no. 2 (2020): 899-911.
  7. Mahdieh Khedmati, Hani Alanazi, Yong-Rak Kim, Gabriel Nsengiyumva, and Sussan Moussavi. "Effects of Na2O/SiO2 molar ratio on properties of aggregate-paste interphase in fly ash-based geopolymer mixtures through multiscale measurements.", Construction and Building Materials 191 (2018): 564-574.
  8. Mahdieh Khedmati, Yong-Rak Kim, and Joseph A. Turner. "Investigation of the interphase between recycled aggregates and cementitious binding materials using integrated microstructural-nanomechanical-chemical characterization.", Composites Part B: Engineering 158 (2019): 218-229.
  9.  Keyvan Zare Rami, Yong-Rak Kim, Mahdieh Khedmati, Gabriel Nsengiyumva, and Hani Alanazi. "Two-way linked multiscale method integrated with nanomechanical tests and cohesive zone fracture to model highly heterogeneous binding materials.", Journal of Engineering Mechanics 144, no. 10 (2018): 04018095.
  10. Hamzeh F. Haghshenas, Yong-Rak Kim, Martha D. Morton, Thomas Smith, Mahdieh Khedmati, and Davoud F. Haghshenas. "Effect of softening additives on the moisture susceptibility of recycled bituminous materials using chemical-mechanical-imaging methods.", Journal of Materials in Civil Engineering 30, no. 9 (2018): 04018207.
  11. Mahdieh Khedmati, Yong-Rak Kim, Joseph Turner, Hani Alanazi, Charles Nguyen. "An Integrated Microstructural-Nanomechanical-Chemical Approach to Examine Material-Specific Characteristics of Cementitious Interphase Regions.", Materials Characterization, 2018, Volume 138, Pages 154-164.
  12. Mahdieh Khedmati, Ali Khodaii, Hamzeh F. Haghshenas. "A study on moisture susceptibility of stone matrix warm mix asphalt." Construction and Building Materials, 2017, 42-49.
  13. Ali Khodaii, Ehsan Mousavi, Mahdieh Khedmati, Amirfarrokh Iranitalab, "Identification of dominant parameters for stripping potential in warm mix asphalt using response surface methodology.", Material and Structures, 2015, 1–13.
  14. Hamzeh F. Haghshenas, Ali Khodaii, Mahdieh Khedmati, S. Tapkin. "A Mathematical Model for Predicting Stripping Potential of Hot Mix Asphalt.", Journal of Construction and Building Materials, 2015, Volume 75, Pages 488–495 .
  15. Ali Khodaii, Mahdieh Khedmati, Hamzeh F. Haghshenas, Marzieh Khedmati, "A New Strategy to Evaluate the Effect of Varying Components on the Resilient Modulus of Hot Mix Asphalt.", International Journal of Pavement Research and Technology, 2014, Volume 7, Number 6, Pages 445-450.
  16. Ali Khodaii, Hamzeh F. Haghshenas, Hamid KazemiTehrani, Mahdieh Khedmati, "Application of response surface methodology to evaluate stone matrix asphalt stripping potential.", KSCE Journal of Civil Engineering, 2013, Volume 17, Number 1, Page 117-121.

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