Ultralight formwork system for thin, textile-reinforced concrete shells

Van Mele, T; Méndez Echenagucia, T; Pigram, D; Liew, A; Block, P

Ultralight formwork system for thin, textile-reinforced concrete shells

Van Mele, T Méndez Echenagucia, T Pigram, D

Liew, A Block, P

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Publisher:: Detail
Publication Type:: Chapter
Citation:: Robust Resilient Resistant. Reinforced Concrete Structures, 2021, pp. 20-28
Issue Date:: 2021-06-21

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Field	Value	Language
dc.contributor.author	Van Mele, T
dc.contributor.author	Méndez Echenagucia, T
dc.contributor.author	Pigram, D https://orcid.org/0000-0002-5875-2366
dc.contributor.author	Liew, A
dc.contributor.author	Block, P
dc.contributor.editor	Schoof, J
dc.date.accessioned	2023-02-06T20:10:26Z
dc.date.available	2023-02-06T20:10:26Z
dc.date.issued	2021-06-21
dc.identifier.citation	Robust Resilient Resistant. Reinforced Concrete Structures, 2021, pp. 20-28
dc.identifier.isbn	3955535460
dc.identifier.isbn	9783955535469
dc.identifier.uri	http://hdl.handle.net/10453/165948
dc.description.abstract	HiLo is a research and innovation unit for lightweight construction and smart and adaptive building systems. Construction began in 2018 on this two-storey innovation hub and collaborative working space on NEST, EMPA's modular research building in Dübendorf, Switzerland. The roof of the unit is a double-layered, doubly curved, carbon-fibre reinforced concrete shell structure with integrated hydronic heating and cooling and a thin-film photovoltaic system on top. With a total height of 7 metres, the roof covers an area of 120 square metres and has a total surface area of 160 square metres. A full-scale prototype of the bottom layer of the concrete roof was built at the Robotic Fabrication Lab of the Institute of Technology in Architecture at ETH Zurich as a dress rehearsal for its innovative construction system. The base of the system is composed of reusable scaffolding elements that support a set of timber edge beams. A cable net spans between the beams and the lower supports, and a fabric on top serves as shuttering for the sprayed concrete. The cable net is comprised of custom-cut steel cables connected by rings and brackets and is designed such that it deflects under the weight of the wet concrete into the correct final geometry, which it then supports until the shell has cured. To achieve this, the cable net must be precisely tensioned at the correct angle from specific anchor points on the CNC-milled edge beams.
dc.format.extent	23
dc.language	en
dc.publisher	Detail
dc.relation.ispartof	Robust Resilient Resistant. Reinforced Concrete Structures
dc.relation.ispartofseries	Edition Detail
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Ultralight formwork system for thin, textile-reinforced concrete shells
dc.type	Chapter
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Design, Architecture and Building
pubs.organisational-group	/University of Technology Sydney/Faculty of Design, Architecture and Building/School of Architecture
pubs.organisational-group	/University of Technology Sydney/Strength - CCDP - Contemporary Design Practice
utslib.copyright.status	closed_access	*
pubs.consider-herdc	true
dc.date.updated	2023-02-06T20:10:19Z
pubs.place-of-publication	Munich
pubs.publication-status	Published
dc.location	Munich

Abstract:

HiLo is a research and innovation unit for lightweight construction and smart and adaptive building systems. Construction began in 2018 on this two-storey innovation hub and collaborative working space on NEST, EMPA's modular research building in Dübendorf, Switzerland. The roof of the unit is a double-layered, doubly curved, carbon-fibre reinforced concrete shell structure with integrated hydronic heating and cooling and a thin-film photovoltaic system on top. With a total height of 7 metres, the roof covers an area of 120 square metres and has a total surface area of 160 square metres. A full-scale prototype of the bottom layer of the concrete roof was built at the Robotic Fabrication Lab of the Institute of Technology in Architecture at ETH Zurich as a dress rehearsal for its innovative construction system. The base of the system is composed of reusable scaffolding elements that support a set of timber edge beams. A cable net spans between the beams and the lower supports, and a fabric on top serves as shuttering for the sprayed concrete. The cable net is comprised of custom-cut steel cables connected by rings and brackets and is designed such that it deflects under the weight of the wet concrete into the correct final geometry, which it then supports until the shell has cured. To achieve this, the cable net must be precisely tensioned at the correct angle from specific anchor points on the CNC-milled edge beams.

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http://hdl.handle.net/10453/165948