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Mechanical properties of different geometries of CFRP grid: tensile evaluation of material properties
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser.ORCID-id: 0000-0002-5154-7044
2006 (Engelska)Rapport (Övrigt vetenskapligt)
Abstract [en]

There are a number of components included in strengthening of concrete with mineral based composites; base concrete that is in need of strengthening, primers, polymer modified cement bonding agents and carbon fibre reinforced polymers (CFRP). CFRP are light weight composites of carbon fibres imbedded in a matrix that can be tailor-made into different geometries. This report is a part of an ongoing evaluation of a concrete strengthening technique using mineral based composites. This report was done to evaluate the tensile properties of different CFRP grids included in strengthening of concrete with mineral based composites. The experimental test set-up was performed as pure tensile of smaller parts of the different grids. The main mechanical properties presented in the report are failure stress, modulus of elasticity and failure strain. The result was compared to the values provided by the manufacturer. In the results no clear trends was evident between the experimental values and the manufacturer values. In the results it can be concluded that the mechanical properties provided by the manufacturer can not be used as design values. The experimental values were both higher and lower than the manufacturer values for the failure stress and modulus of elasticity. Different failure types of the grids are illustrated in the report.

Ort, förlag, år, upplaga, sidor
Luleå: Luleå tekniska universitet, 2006.
Serie
Forskningsrapport / Luleå tekniska universitet, ISSN 1402-1528 ; 2006:06
Nationell ämneskategori
Infrastrukturteknik
Forskningsämne
Konstruktionsteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-23909Lokalt ID: 8e5e8440-b223-11db-bf9d-000ea68e967bOAI: oai:DiVA.org:ltu-23909DiVA, id: diva2:996959
Anmärkning
Godkänd; 2006; 20070201 (ysko)Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2017-11-24Bibliografiskt granskad

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Blanksvärd, Thomas

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