Rock Print is an investigation into the constructive principle of the physical phenomena of jamming, in which granular matter can change from liquid to solid and back again. Rock Print exploits this characteristic with a congruent construction system that: 1) is informed by a computational design and realised with robotic fabrication machinery, 2) can be constructed into highly differentiated and load-bearing structures at an architectural scale using low-grade bulk material, such as gravel, and 3) is fully reversible. The construction system works as follows. To be able to control where and how gravel jams, the density between the aggregates has to be decreased to a level that forces it to behave like a solid. This can be achieved by introducing tensile reinforcement, such as string, to confine the gravel. A robotic arm enables the precise placement of string according to a digital blueprint and as such informs the shape and performance of a specific architectural artefact. To reverse the construction, the string is pulled, leading to a chain reaction restoring the gravel and the string to their initial state...
Collaborators: Prof. Fabio Gramazio, Prof. Matthias Kohler, Prof. Skylar Tibbits, Andreas Thoma (project lead installation), Petrus Aejmelaeus-Lindström (project lead research), Dr. Volker Helm, Sara Falcone, Jared Laucks, Lina Kara’in, Michael Lyrenmann, Carrie McKnelly, George Varnavides, Stephane de Weck, Dr. Jan Willmann
Selected experts: Prof. Dr. Hans J. Herrmann and Dr. Falk K. Wittel (Institute for Building Materials, ETH Zurich), Prof. Dr. Heinrich Jaeger and Kieran Murphy (Chicago University)
Selected consultants: Walt + Galmarini AG
Supported by ETH Zurich, ETH Zurich Foundation Grant, MIT’s Department of Architecture, the MIT International Design Center, MIT (MISTI) Grant, Pro Helvetia Swiss Arts Council, swissnex, MISAPOR Beton AG