A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
IceFormwork for Cast HPFRC Elements : Process-Oriented Design of a Light-Weight High-Performance Fiber-Reinforced Concrete (HPFRC) Rain-Screen Façade
The following paper introduces a design implementation of an innovative fabrication method that aims at enabling an environmental and automated production of geometrically challenging cast concrete elements. The fabrication method is based on the use of ice as the moulding material for cast concrete. Empirical testing of ice CNC-processing, and a concrete mix capable of hardening at sub-zero temperatures was undertaken during previous research stages. The current paper illustrates a practical application of ice formwork. A façade rain screen has been developed using algorithmic modelling to illustrate a common case in which a non-repetitive geometrical pattern requires individual formwork to be produced for each element. Existing industrial methods capable of delivering such a project for formidable costs are based on CNC-processed expanded polystyrene (EPS), wood-based materials, or industrial wax formwork. These materials have been found to be either difficult to recycle, expensive, insufficiently strong, or energy- or labour-intensive to produce. Preliminary evaluation has shown that ice, used in their place, facilitates a much cleaner, economic, and an even more energy-efficient process. Moreover, a very gentle demoulding process through ice-thawing eliminates any shock stresses inflicted on newly cast concrete and provides optimal curing conditions. As a result, the thickness of façade elements can be reduced while still fulfilling all structural requirements. ; Part of ISBN 9780578591797 QC 20201027
IceFormwork for Cast HPFRC Elements : Process-Oriented Design of a Light-Weight High-Performance Fiber-Reinforced Concrete (HPFRC) Rain-Screen Façade
The following paper introduces a design implementation of an innovative fabrication method that aims at enabling an environmental and automated production of geometrically challenging cast concrete elements. The fabrication method is based on the use of ice as the moulding material for cast concrete. Empirical testing of ice CNC-processing, and a concrete mix capable of hardening at sub-zero temperatures was undertaken during previous research stages. The current paper illustrates a practical application of ice formwork. A façade rain screen has been developed using algorithmic modelling to illustrate a common case in which a non-repetitive geometrical pattern requires individual formwork to be produced for each element. Existing industrial methods capable of delivering such a project for formidable costs are based on CNC-processed expanded polystyrene (EPS), wood-based materials, or industrial wax formwork. These materials have been found to be either difficult to recycle, expensive, insufficiently strong, or energy- or labour-intensive to produce. Preliminary evaluation has shown that ice, used in their place, facilitates a much cleaner, economic, and an even more energy-efficient process. Moreover, a very gentle demoulding process through ice-thawing eliminates any shock stresses inflicted on newly cast concrete and provides optimal curing conditions. As a result, the thickness of façade elements can be reduced while still fulfilling all structural requirements. ; Part of ISBN 9780578591797 QC 20201027
IceFormwork for Cast HPFRC Elements : Process-Oriented Design of a Light-Weight High-Performance Fiber-Reinforced Concrete (HPFRC) Rain-Screen Façade
Sitnikov, Vasily (author) / Eigenraam, Peter (author) / Papanastasis, Panagiotis (author) / Wassermann-Fry, Stephan (author)
2019-01-01
Conference paper
Electronic Resource
English