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Bending behaviour of novel Textile Reinforced Concrete-foamed concrete (TRC-FC) sandwich elements
RISE - Research Institutes of Sweden, Built Environment, CBI Swedish Cement and Concrete Research Institute.ORCID iD: 0000-0002-0033-1841
RISE - Research Institutes of Sweden, Safety and Transport, Safety.
RISE - Research Institutes of Sweden, Built Environment, CBI Swedish Cement and Concrete Research Institute.
Mostostal Warszawa S.A., Warsaw, Poland.
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2017 (English)In: Composite structures, ISSN 0263-8223, E-ISSN 1879-1085Article in journal (Refereed) In press
Abstract [en]

A novel sandwich element design consisting of two facings made of carbon reinforced Textile Reinforced Concrete (TRC), a low density foamed concrete (FC) core and glass fibre reinforced polymer (GFRP) connecting devices was experimentally investigated according to quasi-static and cyclic quasi-static fourpoint bending. Optical measurements based on Digital Image Correlation (DIC) were taken during testing to enable a detailed analysis of the bending behaviour and level of composite action. A model, verified by the experiments, was developed based on non-linear finite element analysis (NLFEA) to gain further insight on the failure mechanisms. Under both loading conditions, the bending behaviour of the TRCFC composite elements was characterized by favourable load bearing capacity, partial composite action, superior ductility and multiple fine cracking. The connecting devices were found to be the critical elements causing the initial failure mechanism in the form of localized pull-out within an element.

Place, publisher, year, edition, pages
2017.
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:ri:diva-30029DOI: 10.1016/j.compstruct.2017.06.051OAI: oai:DiVA.org:ri-30029DiVA: diva2:1118232
Projects
H-House
Funder
EU, European Research Council, 608893
Available from: 2017-06-30 Created: 2017-06-30 Last updated: 2017-07-03Bibliographically approved

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