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An Investigation and Comparison of International Design Methods for Vertical Formwork
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Design and Bridges (name changed 20110630).
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Design and Bridges (name changed 20110630).
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Design and Bridges (name changed 20110630).ORCID iD: 0000-0002-1526-9331
2007 (English)In: 5th International RILEM Symposium on Self-Compacting Concrete / [ed] G. De Schutter and V. Boel, 2007, 479-484 p.Conference paper, Published paper (Other academic)
Abstract [en]

Concrete construction and reinforcing works have traditionally been laborious and time consuming. Self Compacting Concrete (SCC) offers an improved working environment and increased degree of mechanisation. Despite these advantages, the share of SCC in on-site casting is currently quite low. A few known factors may explain the low share. One is the formwork technique. The technique developed for conventional, vibrated concrete is not optimal for SCC. The special attributes of SCC, e.g. fast concrete filling, bottom to top form filling, casting against an overhead form, are not considered. The formwork design is highly dependent on the pressure and the movement of concrete in the formwork. An ongoing research project in Sweden aims at developing new design codes suitable for Swedish conditions, covering both SCC and conventional concrete, through benchmarking of international methods. This paper discusses the need for further and deeper understanding of how SCC influences the lateral formwork pressure. Currently, there is a lack of methods designing formwork for SCC. Most likely, they will be developed from the ones for conventional concrete. Therefore, a comparison has been made of the current design codes for conventional concrete in Sweden, Germany, U.K., USA and Japan.

Place, publisher, year, edition, pages
2007. 479-484 p.
National Category
Infrastructure Engineering
Identifiers
URN: urn:nbn:se:kth:diva-66558ISBN: 978-2-35158-047-9 (print)ISBN: 978-2-35158-088-2 (print)OAI: oai:DiVA.org:kth-66558DiVA: diva2:484308
Conference
5th International RILEM Symposium on Self-Compacting Concrete, Ghent, Belgium, September 3-5 2007
Note

QC 20120515

Available from: 2012-01-26 Created: 2012-01-26 Last updated: 2016-12-19Bibliographically approved

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Silfwerbrand, Johan

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