Bauer Resources Partner in GeoHeatStorage Project To Develop a Heat Storage Solution of Residential Neighborhoods

    The question of how to best reconcile sustainable technologies in built-up areas with affordable living space is currently being examined in the German city of Jena. As part of a research project, the regional growth initiative “smood – smart – neighborhood” is working on innovative solutions for the energy-efficient refurbishment of older neighborhoods.

    The mixed-in-place method (MIP) developed by Bauer has proven to be a particularly suitable specialist foundation engineering method for the project. © Guido Anacker

    The go-ahead for this initiative, and for Bauer Resources as a partner in the joint GeoHeatStorage project, was given in July 2019. The aim is to structurally develop gravel aquifers near the surface for large-scale, cost-effective heat storage with the capacity to provide seasonal heat storage to an entire neighborhood. For this purpose, Bauer Resources, in collaboration with Bauer Spezialtiefbau, is developing a standardized and cost-efficient specialist foundation engineering method for the construction of the cut-off wall for geothermal heat storage. The use of a natural aquifer for heat storage has never been realized for a whole neighborhood with current methods. After conducting extensive preliminary ground surveys, the mixed-in-place method (MIP) developed by Bauer proved to be particularly suitable for this project, building on its track record of 2.6 million MIP walls on about 650 sites. The method gets top marks not just from an economical and technical point of view but also in terms of ecology.

    Bauer Resources participates in the joint GeoHeatStorage project for development of a unique specialist foundation engineering method for the creation of geogenically-bound heat storage systems in urban neighborhoods. © Bauer Group

    Compared to the jet grouting method, this achieves a reduction in the amount of construction materials as well as a substantial decrease in the need for disposal of excavation material. For the first time, there is a viable option for a sustainable and economical heat supply of existing neighborhoods, not just making an important contribution to the energy revolution but also to climate protection.

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