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Full-scale test of a pile supported steel fibre concrete slab
RISE, SP – Sveriges Tekniska Forskningsinstitut, CBI Betonginstitutet AB.
2014 (English)In: Materials and Structures, ISSN 1359-5997, E-ISSN 1871-6873, Vol. 47, no 4, 647-666 p.Article in journal (Refereed)
Abstract [en]

The aim of the short-term studies is to investigate the structural behaviour of pile supported slabs made of steel fibre concrete (SFC) only and combined reinforced steel fibre concrete. The studies include tests on an elevated slab where a combination of reinforcement bars and steel fibres have been used in one half of the slab and SFC only in the other half. The tests were performed on a column-supported elevated slab that simulates a half scale model of an industrial pile-supported floor slab. The short-term tests showed considerable structural and crack arresting performance that also increased with a higher dosage of fibres. A small addition of conventional reinforcement bars further increased the ultimate load capacity PMax. PMax was in the range of 125-298 kN for the two types of slab. The results indicate that SFC can be used with verifiable results in structural applications for elevated slabs and pile-supported floor slabs despite that the material testing from the ordered SFC showed a larger scatter in properties and that the calculated load capacities were only 40-220 kN. Main causes of deviance are arch and membrane effects.

Place, publisher, year, edition, pages
2014. Vol. 47, no 4, 647-666 p.
Keyword [en]
Combined reinforcement, Flat slabs, Full-scale testing, Pile-supported floors, Short-term structural performance, Steel fibre concrete
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-2712Local ID: 4029OAI: oai:DiVA.org:ri-2712DiVA: diva2:960315
Available from: 2016-09-07 Created: 2016-09-07 Last updated: 2017-11-21Bibliographically approved

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