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Folded Cardboard Sandwiches for Load-bearing Architectural Components

  • The high resource demand of the building sector clearly indicates the need to search for alternative, renewable and energy-efficient materials. This work presents paper-laminated sandwich elements with a core of corrugated paperboard that can serve as architectural components with a load-bearing capacity after a linear folding process. Conventional methods either use paper tubes or glued layers of honeycomb panels. In contrast, the folded components are extremely lightweight, provide the material strength exactly where it is statically required and offer many possibilities for design variants. After removing stripes of the paper lamination, the sandwich can be folded in a linear way at this position. Without the resistance of the missing paper, the sandwich core can be easily compressed. The final angle of the folding correlates with the width of the removed paper stripe. As such, this angle can be described by a simple geometric equation. The geometrical basis for the production of folded sandwich elements was established and many profile types were generated such as triangular, square or rectangular shapes. The method allows the easy planning and fast production of components that can be used in the construction sector. A triangle profile was used to create a load-bearing frame as supporting structure for an experimental building. This first permanent building completely made of corrugated cardboard was evaluated in a two-year test to confirm the efficiency of the developed components. In addition to the frame shown in this paper, large-scale sandwich elements with a core of folded components can be used to fabricate lightweight ceilings and large-scale sandwich components. The method enables the efficient production of linearly folded cardboard elements which can replace normal wooden components like beams, pillars or frames and bring a fully recycled material in the context of architectural construction.

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Document Type:Conference Proceeding
Author:Dr.-Ing. Stephan SchützORCiDGND
DOI (Cite-Link):
URN (Cite-Link):
Parent Title (English):WSBE17 Hong Kong - Conference Proceedings
Publisher:Construction Industry Council, Hong Kong Green Building Council Limited
Place of publication:Hong Kong
Date of Publication (online):2018/10/09
Date of first Publication:2017/06/13
Release Date:2018/10/29
Publishing Institution:Bauhaus-Universität Weimar
Institutes:Fakultät Architektur und Urbanistik [bis 2014 Fakultät Architektur] / bauhaus.institut für experimentelle architektur
Tag:Adaptable design; Architecture; Corrugated cardboard sandwich; Folded components; Sustainable construction technology
GND Keyword:Tragendes Teil; Platte; Sandwichbauteil; Papierware; Wellpappe
Dewey Decimal Classification:600 Technik, Medizin, angewandte Wissenschaften / 620 Ingenieurwissenschaften
700 Künste und Unterhaltung / 720 Architektur
600 Technik, Medizin, angewandte Wissenschaften / 620 Ingenieurwissenschaften / 629 Andere Fachrichtungen der Ingenieurwissenschaften
600 Technik, Medizin, angewandte Wissenschaften / 690 Hausbau, Bauhandwerk / 691 Baustoffe
600 Technik, Medizin, angewandte Wissenschaften / 690 Hausbau, Bauhandwerk / 698 Ausbau
BKL-Classification:50 Technik allgemein / 50.03 Methoden und Techniken der Ingenieurwissenschaften
50 Technik allgemein / 50.15 Konstruktionslehre
51 Werkstoffkunde / 51.20 Werkstoffoberflächeneigenschaften
56 Bauwesen / 56.03 Methoden im Bauingenieurwesen
56 Bauwesen / 56.45 Baustoffkunde
Licence (German):License Logo Zweitveröffentlichung