Official Website: Geosystems Research Group
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Research Team
Fatemeh Karbalaee
Fatemeh Karbalaee
PhD Student
Current Position:
Research & Teaching Assistant, Department of Civil and Environmental Engineering, University of Massachusetts Lowell
Education:
M.Sc. in Civil Engineering - Geotechnics, K. N. Toosi University of Technology, Tehran, Iran
B.Sc. in Civil Engineering, Kharazmi University, Tehran, Iran
Biography:
My academic journey has been shaped by a deep interest in probabilistic approaches to geotechnical engineering. I am particularly drawn to problems at the intersection of risk assessment, numerical modeling, and infrastructure resilience, where I aim to bridge theory with practical applications.
Work Experience:
Civil Engineer, Asarsazan Mandegar (Privately Held Company), Tehran, Iran (Jan 2024 – Jul 2025)
Professional Publications:
Interests and Hobbies:
Fitness and outdoor activities, traveling, and exploring new cultures.
Contact:
Email: fatemeh_karbalaee@student.uml.edu
LinkedIn: https://www.linkedin.com/in/fatemeh-karbalaee-34221b19a
Uday Shankar Yadav
Uday Shankar Yadav
PhD Student
Current Position:
Research Assistant, Department of Civil and Environmental Engineering, University of Massachusetts Lowell
Education:
M.Tech in Civil Engineering, Indian Institute of Technology Patna, India
B.Tech in Civil Engineering, Jawaharlal Nehru Technological University Kakinada, India
Biography:
I am a results-driven Civil Engineer with expertise in sustainable construction materials and advanced concrete technology. My research primarily focuses on developing low-carbon, high-performance cementitious composites using industrial by-products and innovative geopolymerization techniques. I am passionate about driving eco-friendly engineering solutions and advancing sustainable practices in the construction industry.
Work Experience:
Engineer, Geo Engineering Pvt. Ltd., Nepal (Dec 2023 – Aug 2025)
Junior Research Fellow, Indian Institute of Technology Patna (Jul 2023 – Nov 2023)
Professional Publications:
Yadav, U.S., & A.K. Jha (2025). Enhancing Mechanical Characteristics of Fly Ash and Fly Ash–Stone Dust Using Geopolymerization Technique. Journal of Hazardous, Toxic, and Radioactive Waste. DOI: 10.1061/JHTRBP.HZENG-1416
R. Gautam, R. Jaiswal, U.S. Yadav & A.K. Jha (2025). AI-Enhanced Data-Driven Approach to Model the Mechanical Behavior of Sustainable Geopolymer Concrete. Journal of Structural Design and Construction Practice (Under Review).
Yadav et al. (2025). Exploring the Influence of Fly Ash, Rice Husk Ash, and Recycled Concrete Aggregates on Sustainable Concrete Production. International Conference Series of Nepal Geotechnical Society on Geotechnics for Sustainable Infrastructure 2025. (Accepted).
Yadav, U.S., & A.K. Jha (2025). Enhancing Strength Behavior of Fly Ash by Using Geopolymerization Technique as a Cement Replacement in Producing Construction Material. International Conference Series of Nepal Geotechnical Society on Geotechnics for Sustainable Infrastructure 2025. (Accepted).
Yadav et al. (2025). Durability Assessment of River Aggregate in Natural, Immersed, and Chemically Treated Conditions. International Conference Series of Nepal Geotechnical Society on Geotechnics for Sustainable Infrastructure 2025. (Accepted).
Interests and Hobbies:
Cricket, reading, and community volunteering.
Contact:
Email: uday_yadav@student.uml.edu | yaduwanshi.uday@gmail.com
LinkedIn: https://www.linkedin.com/in/yaduwanshi-uday-a9a4b2224/
PhD Student
Current Position:
PhD Student and Research, Development, and Production (RDP) Engineer at Geocomp
Education:
MS in Civil Engineering, California State University – Los Angeles
B.S in Civil Engineering, University Center of Belo Horizonte, Brazil
Biography:
Born and raised in Belo Horizonte, Brazil. Started my career by joining Inga Engineering in 2015, assisting with soil recovering projects, which brought the interest for Geotechnical Engineering. In 2019, joined CSU in Los Angeles to study Geotechnical Engineering for my Master's Degree.
Work Experience:
Inga Engineering an Engineering Intern (2015-2017)
Research Assistant in CSU during my masters degree (2019-2020)
RDP Geotechnical Engineering (2020 - today
Professional Publications:
Comparison of Advanced Hydraulic Properties Between Treated and Untreated Bauxite Residue – International Conference on Energy Geotechnics, San Diego, CA, 20-23, Sept. 2020 DOI: https://doi.org/10.1051/e3sconf/202020512002
Evaluation, Calibration, and Implementation of Soil Water Retention Models for Recycled Materials – 2021 Pan American Unsaturated Soils Conference, Rio de Janeiro, Brazil, July 2021.
Interests and Hobbies:
Big fan of soccer and tennis. Love to play and watch them.
Also love traveling, especially visiting amusing parks and riding rollercoasters.
Contact:
Email: Joao_AlvesRibeiroMachado@student.uml.edu / joao.machado@geocomp.com
LinkedIn: https://www.linkedin.com/in/jarmachado/
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