Dr.-Ing Jörg Uhlemann
University Duisburg-Essen, Faculty of Engineering Sciences
1998-2006 Studies of Civil Engineering at University of Duisburg-Essen
2006-2008 Design Engineer, particularly for steel structures, Engineering Office Dipl.-Ing. Martin Neff, Oberhausen
2008-2016 Scientific Assistant at the Institute for Metal and Lightweight Structures, University of Duisburg-Essen, Prof. Dr. Natalie Stranghöner
Since 2010 Additional freelancing activities, particularly on damage assessments of membrane structures in collaboration with Prof. Dr. Natalie Stranghöner.
Since 2014 Associate Director of the Essen Laboratory for Lightweight Structures (ELLF) at the University of Duisburg-Essen
2016 Doctorate, Dissertation “Design elastic constants of coated architectural fabrics“ at the Institute for Metal and Lightweight Structures, University of Duisburg-Essen,
Supervisors:
Prof. Dr.-Ing. Natalie Stranghöner, University of Duisburg-Essen,
Prof. Dr.-Ing. Kai-Uwe Bletzinger, Technical University of Munich
Since 2016 Postdoc at the Institute for Metal and Lightweight Structures, University of Duisburg-Essen, Prof. Dr. Natalie Stranghöner
Since 2018 Associate Director of the Testing Laboratory and Certification Body NRW71, Institute for Metal and Lightweight Structures, University of Duisburg-Essen
Memberships – Standardization Committees
National Level
- NA 005-51-08 AA „Eurocode für Membrantragwerke DIN 18204-1 sowie DIN 4134 (SpA zu CEN/TC 250/WG 5)“ (Eurocode for Membrane Structures, DIN 18204 and DIN 4134 (Mirror Group of CEN/TC 250/WG 5))
- NA 054-04-04 AA „Kunststoff-Folien und kunststoffbeschichtete Flächengebilde (Kunstleder), allgemeine Eigenschaften“ (Plastic foils and plastic coated fabrics (synthetic leather), general properties)
European Level (nominated as German expert)
- Project Team for the Evolution of the Structural Eurocodes, WG5.T2 „Membrane Structures – Preparation of CEN TS“
- CEN/TC 248/WG 4 „Coated fabrics“
- CEN/TC 250/WG 5 „Membrane Structures“
Memberships – Working Groups
European Level
- TensiNet Association Working Group „Analysis and Materials“
- TensiNet Association Working Group „Specifications and Eurocode“
International Level
- International Association for Shell and Spatial Structures (IASS) Working Group 6 „Tension and Membrane Structures“
Main Research Activities
- Load bearing behaviour of membrane structures under particular consideration of the geometrical nonlinear load-deformation behaviour
- Determination of biaxial material stiffness properties of technical textiles and foils
- Weathering resistance of technical textiles and foils
- Strength degradation of technical textiles due to long-term and permanent loads
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