Patrick Bedarf- Dr. sc ETH
- Senior Lecturer at ETH Zurich
Patrick Bedarf
- Dr. sc ETH
- Senior Lecturer at ETH Zurich
Foam 3D Printing for Lightweight and Insulating Building Elements
About
13
Publications
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Introduction
Patrick’s research investigates new possibilities for architectural design in large-scale 3D printing with porous materials. This involves the invention of new fabrication technologies with material experts and the development of computational design methods.
Current institution
Additional affiliations
July 2017 - September 2023
Publications
Publications (13)
Porous materials are ubiquitous. They make the bones of birds lightweight for flight and one of the oldest staple foods of humankind, bread, easy to digest. Distributing nothing inside something unleashes transformative powers and fascinates designers and engineers alike. In construction, different porosities are conventionally combined by pressing...
Foam 3D printing in construction is a promising manufacturing approach that aims to reduce the amount of material, hazardous labor, and costs in producing lightweight and insulating building parts that can reduce the operational energy in buildings. Research using cement-free mineral foams derived from industrial waste showed great potential in pre...
Foam 3D printing investigates additive manufacturing of porous construction materials for novel lightweight and insulating building components. It leverages the opportunities of automated, moldless fabrication that can reduce waste, hazardous labor, and costs for material-efficient, geometrically-optimized, and previously cost-prohibitive structure...
This paper presents an innovative design and fabrication workflow for a lightweight composite slab prototype that combines mineral foam 3D printing (F3DP) and concrete casting. Non-standardized concrete elements that are geometrically optimized for resource efficiency often result in complex shapes that are difficult to manufacture. This paper exte...
Optimizing the shape of concrete construction elements is significant in reducing their material consumption and total weight while improving their functional performance. However, the resulting non-standard geometries are difficult and wasteful to fabricate with conventional formwork strategies. This paper presents the novel fabrication method of...
This paper presents the design and fabrication of a lightweight composite concrete slab prototype using 3D printing (3DP) of mineral foams. Conventionally, concrete slabs are standardized monolithic elements that are responsible for a large share of used
materials and dead weight in concrete framed buildings. Optimized slab designs require less mat...
3D printing of mineral foams is a novel technology where the changes in material properties during and after fabrication affect the final geometry. These changes need to be quantified with sensing techniques, in order to increase the process robustness for fabricating custom-shaped building components. In this paper, camera tracking and 3D scanning...
Large-scale additive manufacturing for construction has gained momentum during the last two decades as a promising fabrication technology that can save materials, labor, and costs. Although foams are a significant material group in construction and explored in 3D printing (3DP) studies, no comprehensive review about this field exists to date. Conse...
Topology optimization (TO) is a numerical simulation to identify an optimal distribution of solid and void. A more efficient distribution of material means a reduction of natural resources consumption. TO results in branching structures, difficult to manufacture with conventional methods. Advances in additive manufacturing allow the production of c...
This paper presents the design and fabrication of a
lightweight composite facade shading panel using 3D printing (3DP)
of mineral foams. Albeit their important role in industrial construction
practice as insulators and lightweight materials, only little research has
been conducted to use foams in 3DP. However, the recent development
of highly porou...
This paper introduces the cutting-edge 3D Concrete
Printing (3DCP) process which stands at the core of
the project Concrete Choreography, a family of nine
prefabricated concrete columns. By simultaneously
overseeing technological development, computational
design and robotic fabrication, an interdisciplinary
research team was able to reframe the ch...
The context of digital fabrication allows architects to reinvestigate material, process and
the design decisions they entail to explore novel expression in architecture. This demands
a new approach to design thinking, as well as the relevant tools to couple the form of artefacts with the process in which they are made. This paper presents a customi...
Geometric differentiation is no longer a production setback for industrial grade
architectural components. This paper introduces a design and fabrication
workflow for non-repetitive large-scale space frame structures composed of
custom-manufactured nodes, which exploits the advantages of latest
advancements in 3D-printing technology. By integrating...
