Technology of Backfilling

Work out of concepts for backfilling and safekeeping for mine cavities filled with air or solution
Planning, basic engineering and project design of backfilling plants
Planning, coordination and realization of horizontal and vertical systems of barriers and dams in saline formations
Reconstruction and safekeeping of cavities and shafts filled with air or solution
Temporary and long term sealing of deep boreholes and caverns in saline formations
Supply at disposal of equipment and of specialists for backfilling, safekeeping and safety precautions

Application of the K-UTEC mixing equipment in the research mine Asse

Backfilling plant: Mixer with feeding of solid material and mixing fluid as well as the container for degassing with exhausting

Partial filled mine gallery in the research mine Asse

Backfilling of close to shaft cavities in the shaft Hattorf

Rehabilitation of mining damage situation on the south-west edge of the „Staßfurter Sattel“ by order of the DBU, Osnabrück in co-operation with Schachtbau Nordhausen GmbH and the university of Magdeburg, 1996 – 1998
Technical application of K-UTEC gel systems and high-strength building materials based on Sorel compounds for rehabilitation work and safekeeping in co-operation with the Schachtbau Nordhausen GmbH for the following shafts and mines by order of the country of Saxony-Anhalt:

Erection of horizontal flow barriers and outlet sealings in the research mine Asse by order of the GSF, 1998 – 2004
Backfilling of the close to the shaft cavities in the shaft Hattorf with K-UTEC’s special building materials by order of the Kali und Salz GmbH, Plant Werra in co-operation with Schachtbau Nordhausen GmbH, 2001 – 2002
Planning for permission to build for erection of a plant for hydraulic viscous slurry technique in the underground deposit Borth including the functional tendering/technical specification by order of the Trieneckens AG/RWE Umwelt AG, 2001 – 2002
Development of a basic concept for long term stable gallery dams in easy soluble salt rock (Carnallite) for underground disposals and underground backfilling by order of BMBF; Working team under the management of the GTS GmbH & Co. KG Teutschenthal
Part 1: 2003 – 2004
Part 2: 2004 – 2008
Sealing of the rock salt horizon at a thermal borehole in Bad Langensalza by order of the Angers Söhne GmbH, Hessisch-Lichtenau, 2005
Planning and basic engineering of a pilot plant for viscous slurry backfilling by order of the GTS GmbH & Co. KG, Teutschenthal, 2005