Our commitment to research and development forms the backbone of our expertise. The Institut für Gebirgsmechanik (IfG) continuously works on groundbreaking research projects that help expand our understanding and capabilities in rock mechanics. Together with renowned national and international partners, we develop innovative solutions to the challenges of mining. The following research projects represent our commitment to scientific excellence and practical application.

DurationTopicAcronymTitle / DescriptionPartner / Funding by*
1992 -
1995
 Host rock characterization  ANTON Rock Mechanics: Anhydrite / Salt Clay BMWi/CP
1995 - 1998 BARITON Barrier Rock Salt / Anhydrite / Salt Clay BMWi/CP
1998 - 2001 BARIAN Barrier Anhydrite BMWi/CP
2002 - 2004 BARIAN 2 Barrier Anhydrite BMWi/CP
1991 Deep geological repository (DGR)
in flat layering
  Review of Model Concepts
Salinar / Convergence of Complex Mine Structures
BMWi
1992 - 1995   DGR in flat layering Ph 1 BMBF
1995 - 1999   DGR in flat layering Ph 2 BMBF
2000 - 2002   DGR in flat layeringPh 3 BMBF
1995 - 1999 Fundamentals of mine working stability   Brittle fracture behavior of carnallite BMBF
2000 - 2001   Dynamic long-term stability BMBF
2002 - 2004   Dynamics and layered surfaces BMBF
2005 - 2009   Preservation of Evidence / Barrier Sizing BMBF
2000 - 2003 Crushed salt for backfill and closure Backfill / Host Rock + Temperature   CP
2004 - 2007 Crushed salt-Briquettes (NF-Pro)  Characterization and Potential Assessment EU
2012 - 2015 GESAV   TUBAF / SC
2017 - 2020 GESAV II   TUBAF / SC
2021 - 2023 SAVER Development of a crushed-salt-based backfill concept with the option of retrievability for the final disposal of high-level radioactive waste in the Salinar TUBAF / SC
2018 - 2020 KOMPASS pdfCompaction of crushed salt for safe containment (GER)18.59 MB BMWi
2021 - 2023 KOMPASS II pdfCompaction of crushed salt for safe containment – Phase 2 (GER)26.25 MB BMWi
vorauss. 2024 - 2027 MEASURES Multi-scale experiment and numerical analysis of crushed salt material used as engineered backfill for a nuclear waste repository in rock salt BMWi/CP
2004 - 2007 Bentonite/clay barrier structures Claystones (NF Pro) Hydromechanical Properties of Clay Rocks EU
2009 - 2013 FORGE Bentonite Molds - Gas Transport and HM Coupling EU/BMWi
2017 - 2019 SANDWICH – VP pdfPreliminary Project: Vertical Hydraulic Sealing System Based on the SANDWICH Principle (GER)15.48 MB BMWi
2019 - 2023 SANDWICH - HP-Project pdfMain Project: Vertical Hydraulic Sealing System Based on the SANDWICH Principle (GER)35.97 MB BMBF
2024 - 2027 SANDWICH – HP-Project - Phase 2 Laboratory tests on mini-sandwich samples and swelling pressure tests on bentonite as part of the R&D project “Main Project: Vertical Hydraulic Sealing System Based on the SANDWICH Principle – Phase 2” BMBF
1996 - 2002 Shaft and tunnel closures Shaft sealing for DGR Salzdetfurth shaft sealing project K+S
1997 - 2004 Tunnel sealing structure Sdhs. Tunnel sealing using bentonite blocks TUBAF
2013 - 2019 ELSA II pdfShaft seals for final repositories for high-level radioactive waste: Concept development for shaft seals and testing of functional components of shaft seals (GER)13.13 MB BMWi/TUBAF/SC
2021 - 2024 SalVe pdfFeasibility Study on the Applicability of Low-Temperature Molten Salts for Sealing Measures in Final Repositories for Radioactive Waste in Salt Host Rock (GER)7.02 MB BMWi/TUBAF/SC
2021 - 2022 VergE pdfBackfilling and Sealing of Geological Repositories: Assessment of the Current State of Knowledge Regarding Backfill and Sealing Materials and Concepts (GER)12.99 MB  BMU
2002 - 2004 MgO concrete sealing structures CARLA I pdfDevelopment of a basic concept for long-term stable embankments in easily soluble salt rock (carnallite) for DGR (GER)4.92 MB GTS/SC
2004 - 2010 CARLA II pdfConstruction of embankments in easily soluble salt rock (carnallite) for DGR (GER)8.97 MB GTS/SC
2005 - 2007 DBM2-Magnesia binder (K-UTEC) Characterization1.39 MB BMWi/CP
2010 - 2014 MgO-Building materials Fundamentals BMWi/TUBAF/SC
2012 - 2018 ESA-Long term stability A1 Phase Composition Development / Hydromechanical Properties ERCOSPLAN
2015 - 2019 MgO-Seal pdfMgO shotcrete: Behavior when exposed to MgCl₂ solution (GER)19.60 MB BMWi/TUBAF/SC
2018 - 2021 MgO-S3 MgO shotcrete: Geomechanical Investigations BMWi/TUBAF/SC
2022 - 2025 MgO-C3 MgO-concrete C3 as a long-term stable and rapidly effective sealing element for shaft closures in future HAW repositories in the Salinar BMWi/TUBAF/SC
2022 - 2025 DeSpriBi Demonstration structure for a tunnel seal in anhydrite made of magnesia-based material as shotcrete and bitumen/asphalt BGE
2004 - 2006 Properties of Rock Salt Joint Project I on the Comparison of Constitutive Models pdfModeling the Mechanical Behavior of Rock Salt: A Comparison of Current Constitutive Models and Methods (GER)30.49 MB BMBF
2006 - 2009 MOLDAU THMC for EDZ  EU
2007 - 2010 Joint Project II on the Comparison of Constitutive Models  pdfComparison of current material codes and methodologies using 3D model calculations of the long-term mechanical behavior of a real underground structure in rock salt (GER)16.11 MB BMBF
2010 - 2016 Joint Project III on the Comparison of Constitutive Models  pdfComparison of current material regulations and practices based on model calculations of the thermomechanical behavior and healing of rock salt (GER)13.72 MB BMWi
2016 - 2021 WEIMOS pdfFurther Development and Validation of Rock Mechanics Modeling for HAW Disposal in Rock Salt (GER)13.52 MB BMWi
2004 - 2006 Safety analyses for Final Repositories Data sources Reliable data sources for site selection BfS/Golder
2006 - 2008 Requirements Methods Requirements for Site Survey Methods BfS/Golder
2009 - 2011 Glacigenic impact  pdfGlacigenic impact on final repositories (long term) (GER)20.96 MB BfS/Golder
2010 - 2013 VSG Preliminary Safety Analysis of Gorleben CP
2015 - 2018 KOSINA

pdfConcept development for a generic final repository for heat-generating waste in shallow salt layers in Germany, as well as the development and review of a safety and verification concept (GER)7.39 MB

pdfSafety and Verification Concept for a Final Repository in Shallow Salt Formations (GER)693.15 KB

pdfTM- and THM-coupled numerical simulations for the integrity analysis of geological barriers in shallow salt formations (GER)23.58 MB

pdfCompilation of material parameters for THM model calculations (GER)3.61 MB

CP
2021 - 2024 MeMoDeck Evaluation of methods and models for predicting the protective function of surface rock in Germany over a period of 1 Ma BMU
2004 - 2007 Basics of Barrier Integrity single-repository / Gasfrac pdfStudies on barrier integrity in relation to the single-repository concept (GER)7.93 MB BfS
2009 - 2012 Effects of Gas Formation pdfEffects of gas formation in the repository on the rock mass effective for containment (GER)6.6 MB BfS
2018 PeTroS pdfPressure-driven percolation in a geological repository: Investigation of percolation-driven fluid transport in rock salt host rock under conditions relevant to a geological repository (GER)49.22 MB BMU
2017 - 2020 Energy storage in caverns: H2, CO2 GEOMINT pdfExperimental studies on pressure-driven percolation in barrier rocks (salt, clay) and numerical simulation using discontinuous-medium computational models (GER)17.14 MB BMBF
2017 - 2020 SUBI Geomechanical laboratory tests and modeling to assess the safety of underground storage facilities in salt rock under cyclic loading—verification of functionality and integrity BMBF
2018 - 2021 HYPOS - UGS pdfZwanzig20: HYPOS Collaborative Project: In-situ Geomechanical Investigations and Modeling (GER)23.61 MB BMBF
2019 - 2021 HYPOS -
H2-Research Cavern
pdfZwanzig20 – HYPOS Joint Project: H2 Research Cavern; Geotechnical Feasibility Study at the Bad Lauchstädt Site (GER)5.22 MB BMBF
2020 - 2022 GEOMINT 2 pdfModeling the Formation of Cracks Using a Continuum Mechanics Approach (GER)3.34 MB BMBF
2019 - 2021 ESsCO2 pdfEnergy storage in salt caverns using supercritical CO2 (GER)46.88 MB BMBF
2022 - 2024 SAMUH2 Safe and innovative development concepts for the expansion, repurposing, and monitoring of underground hydrogen storage facilities; Subproject: Simulation of salt cavern storage facilities BMWE

*Abbreviations:

  • BMWi / BMBF / BMU / BMWE - Funding from federal ministries
  • BfS - Bundesamt für Strahlenschutz (Federal Office for Radiation Protection)
  • EU - Funding from the EU
  • K+S - K+S Minerals and Agriculture GmbH
  • GTS - Grube Teutschenthal Sicherungs GmbH & Co. KG
  • Golder - Golder Associates GmbH
  • TUBAF - TU Bergakademie Freiberg
  • BGE - Bundesgesellschaft für Endlagerung mbH (Federal Company for Radioactive Waste Disposal)
  • SC - Subcontractor
  • CP - Collaborative project