State of the Art and Potentials of Additive Manufactured Earth (AME)
Elisabeth Endres (Technische Universität Braunschweig)
Jan Mehnert (Technische Universität Braunschweig)
Linda Hildebrand (RWTH Aachen University)
Marcel Schweiker (RWTH Aachen University)
Eike Roswag-Klinge (Technical University of Berlin)
Ulrich Knaack (TU Delft - Design of Constrution, Technische Universität Darmstadt)
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Abstract
Additive production techniques such as 3D printing and robotics enable new production methods and possible uses for earth, as one of the most ancient building materials in the building industry. This study examines the potential of different building elements and components and their possible combinations made of or containing earthen building products. In addition to the 3D printing of lightweight, highly insulating external and heavy internal wall elements and load-bearing rammed earth walls for use as inner and outside walls are compared. Furthermore, the activation of the walls with water-based heating and cooling elements is taken into consideration. In particular, the sensitivity of earth to humidity and water has a positive effect on all life cycle phases from production through operation as a low-tech building to the end of use, i.e. the reuse as well as the possible return to natural cycles. The focus of the study is to assess the building material earth in light of modern production methodologies, the impact on indoor comfort and indoor air quality as well its life cycle assessment.
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