Ida Maria Gieysztor BertelsenView profile
Assistant Professor
Ida Maria Gieysztor Bertelsen is an Assistant Professor in the Department of Environmental and Resource Engineering at the Technical University of Denmark (DTU), specializing in Materials & Durability. Her research focuses on sustainable construction materials, waste recycling in building applications, and circular economy principles within the construction industry. She is actively involved in multiple research projects addressing environmental challenges through innovative material solutions. Dr. Bertelsen's research interests span across several interconnected domains of sustainable materials engineering. Her work primarily investigates the application of waste materials in construction, with specific expertise in clay bricks, cementitious binders, and earth construction materials. She explores how recycled clay brick powder, sewage sludge ash, and other industrial byproducts can be effectively integrated into building materials without compromising structural integrity. Her fingerprint analysis reveals strong expertise in Polyethylene Fiber Engineering (100%), Polyethylene Material Science (93%), Clay Brick Engineering (81%), Compressive Strength Material Science (72%), Plastic Shrinkage Engineering (59%), and Fibre Reinforcement Engineering (43%). Her recent publication trends indicate a strong focus on circular economy solutions for the construction industry, particularly examining how waste streams like sewage sludge ash can be valorized in traditional building materials. Her research demonstrates how materials science principles can address sustainability challenges while maintaining technical performance requirements for construction applications. The interdisciplinary nature of her work bridges environmental engineering, materials science, and civil engineering to develop practical solutions for sustainable construction. Dr. Bertelsen is actively involved in research funding and project leadership. She serves as Principal Investigator for the project "Influence of inorganic binders in earth construction materials and its recyclability" (2024-2027) and co-PI for "Genanvendelse af nedknust teglaffald i mørtel og beton" (2020-2024). She also supervises PhD research, notably serving as supervisor for Feldthus, F. B.'s doctoral work on "Valorization of sewage sludge ash in clay bricks" (2023-2026). Additionally, she contributes to the larger "AshCycle" project focused on "Integration of Underutilized Ashes into Material Cycles by Industry-Urban Symbiosis" (2022-2026). Her work significantly contributes to multiple United Nations Sustainable Development Goals, particularly those related to sustainable cities and communities, responsible consumption and production, and climate action. Through her research on recycling waste materials into construction products, she addresses critical environmental challenges while developing practical engineering solutions for the building industry.












