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ETH Zurich makes lightweight concrete ceiling using 3D sand-printing

ETH Zurich makes lightweight concrete ceiling using 3D sand-printing

Written by David

April 20, 2019

A lightweight concrete ceiling with formwork 3D-printed from sand is among the innovations to feature in an experimental robot-made house built by university ETH Zurich. The DFAB House, currently under construction in Dübendorf, Switzerland, showcases five digital building methods that have never before been seen in architecture, and the concrete Smart Slab is the latest addition. The structure has been computationally designed to use only the minimal amount of material necessary to make it load-bearing, and is less than half the weight of usual concrete slabs. The light weight form was enabled by using 3D sand printing to make the slab’s underlying formwork. With 3D printing, highly complex structures are as easy to produce as a solid block — meaning extraneous material can be cut out of a design before it is sent to the printer. ETH Zurich makes lighter concrete ceiling using 3D sand-printing ETH Zurich hopes the […]

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