Earth blocks embody two of the most effective strategies for reducing carbon in the built environment: avoiding the use of primary raw materials and adopting a low-carbon production process.

Building on the results of three years of research, Florian Foerster, Christian Gaeth and Micha Kretschmann of Bauhaus Earth recently published their findings in The Structural Engineer, the peer-reviewed journal of the Institution of Structural Engineers, UK.

The article discusses the possibilities of transforming urban waste into load-bearing building blocks and outlines strategies for material sourcing. It outlines the manufacturing process and provides a detailed analysis of material performance based on newly introduced German standards.




The authors conclude with a clear recommendation: to harmonise and expand national standards for earth-based construction across the European regulatory framework.

Sieve and sedimentation analysis © Gaeth & Kretschmann, 2023

Wall assmbly and pressure testing © Gaeth & Kretschmann, 2023

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