Münchmeier, Marlena

Diploma Thesis:
2071

Topic:
Surface evaluation of additively manufactured concrete components

Editor:
Marlena Münchmeier

University Professor Responsible:
Univ.-Prof. Dr.-Ing. Dipl.-Wirt.-Ing. Jens Otto

Supervisor:
University Supervisor: Dipl.-Ing. Florian Härtel

Editing Period:
02.12.2025 until 07.04.2026

Abstract: 
The increasing use of additive manufacturing processes in the construction industry, particularly 3D concrete printing, presents new challenges regarding contract drafting, the definition of construction specifications, and quality assessment. This thesis develops a model for the qualitative assessment of additively manufactured concrete surfaces based on standardised quality criteria, known as quality dimensions. The development of the model is based on principles of perceptual psychology, as the acceptance process and thus the quality assessment are significantly influenced by visual perception. The analysis identifies quality dimensions as visual surface characteristics that help explain the perceived degree of integration, which represents the parameter for the perception-related surface quality of additively manufactured concrete components. The operating principle of the quality dimensions is tested within the framework of an empirical study. Its inferential statistical results, taking into account findings from the psychology of perception, form the basis for the developed assessment model, which was devised in conceptual alignment with the DBV technical data sheet ‘Exposed Concrete’.