3D-gedruckte monolithische Stahlbetonwände im CONPrint3D-reinforced Verfahren

Abstract

Additive manufacturing of monolithic, steel-reinforced concrete walls using CONPrint3D-reinforced methods. 3D concrete printing technology is developing rapidly and is increasingly finding practical applications. However, the integration of load-bearing reinforcement remains a challenge. This paper presents three new methods for the construction of monolithic walls of reinforced concrete based on the CONPrint3D-technology developed previously by the authors. In detail, these are: 1) the additive covering of reinforcement meshes, which are hung in front of a printed core wall, 2) the lateral additive filling of a reinforcement cage and 3) the fully automatic construction of a reinforcement structure with immediate subsequent layer-by-layer encasing by extruded concrete. In addition to the current state of research and the material challenges, mechanical engineering development approaches and the calculative evaluation of the new processes in comparison to established construction methods will be presented.