Post Mining
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Renovation of a Flooded Water Release Tunnel: Wilsmicker and Altenberger Tunnels in Wenden in the Sauerland
In January 2023, a spontaneous outflow of water occurred in front of a residential building in Wenden in the Sauerland/Germany. The water flow was linked to the head of an old drainage shaft, which was connected to a wide mining gallery. Immediately after the damage, ad hoc investigation and security…
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Investigation of Historic Mining Infrastructure in the Upper Harz Mountains and Development of Repurposing Concepts
The Upper Harz in Germany is historically characterized by hydrothermal vein mining, which was carried out from the Middle Ages until the 20th century. The region was one of the most important mining centers in Europe, famous for its silver, lead and zinc deposits. Many relicts of this intensive mining…
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Stolberg Sinkholes: the Role of the Mining Authority in Cases of Non-Mining Sinkholes
In 2022, a sinkhole in the northern part of the city of Stolberg in North Rhine-Westphalia was reported to the Arnsberg District Government, Department Mining and Energy in NRW, Dortmund/Germany. Due to the known old mining in the area, a mining cause for the sinkhole could not be ruled out.…
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The DGGT & DMV Working Group “Post-Mining”. Development, Results and Perspectives
Due to the mining influence on many protected goods, there is considerable interest in many countries in dealing with abandoned mines and post-mining issues in an orderly manner. Mining leaves behind a wide range of challenges and unresolved tasks worldwide, often with negative impacts on people and the environment, as…
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Reorganisation of the Haus Aden Mine Water Pipeline – Special Challenges when Crossing Under the Datteln-Hamm Canal
Haus Aden is the only dewatering site in the eastern Ruhr district that will discharge mine water into the River Lippe in the long term. The reorganisation of the Haus Aden mine water pipeline is being carried out as part of individual final operating plans under the regime of mining…
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Change-Management in the Mining-Life-Cycle Needs Trust!
Trust is a valuable asset that must be built and maintained in scientific and technical projects. Especially in projects of the mining life cycle, which are due to the change of the social perception towards a circular value chain, trust is under special observation and has to be built up…
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Rock Mechanical Issues of the Planned Opencast Mining Lakes
After the end of lignite mining in the Rhenish mining area, the remaining volume of the three existing opencast mines will be filled with water. The creation of opencast mining lakes on a scale that has not yet been achieved anywhere in the world represents a complex task for the…
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Applications of Geophysical Measuring Methods for the Exploration and Securing of Old Mine Workings Near the Surface Using the Example of the Former Lignite Mine Robertshall
During the expansion of the Ehestorfer Heuweg road in the village of Ehestorf, district of Rosengarten/Germany, a daybreak occurred on 11th September 2019, which had a diameter of approximately 0.5 m and a depth of approximately 5 m. Research in the archives of the State Office for Mining, Energy and…
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WG Heave Phenomena – Insights, Knowledge Transfer, Research Topics, Results
Even before the Act on the Financing of the Phase Out of Subsidised Hard Coal Mining came into force at the end of 2018, the effects of mine flooding on mining damage were increasingly becoming the focus of public attention. In order to pool knowledge on the possible effects of…
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Mining Law and Water Management Challenges as a Result of the Coal Phase-Out
In the Rhenish mining area, RWE Power AG operates the three opencast lignite mines Inden, Hambach and Garzweiler. According to the original plans before 2016, the Hambach and Garzweiler opencast mines were scheduled to run until 2045, the Inden opencast mine until 2030. In the context of the energy turnaround,…
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