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Dynamic Measurements for Determining Poisson’s Ratio of Young Concrete
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Byggvetenskap, Betongbyggnad.ORCID-id: 0000-0002-9609-4122
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Byggvetenskap.ORCID-id: 0000-0002-1526-9331
2018 (engelsk)Inngår i: Nordic Concrete Research, ISSN 0800-6377, nr 58, s. 95-105Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Knowledge of the elastic properties of concrete at early age is often a pre-requisite for numerical calculations. This paper discusses the use of a laboratory technique for determining Poisson’s ratio at early concrete age. A non-destructive test set-up using the impact resonance method has been tested and evaluated. With the method, it has been possible to obtain results already at 7 hours of concrete age. Poisson's ratio is found to decrease sharply during the first 24 hours to reach a value of 0.08 and then increase to approximately 0.15 after seven days.

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2018. nr 58, s. 95-105
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URN: urn:nbn:se:kth:diva-235278OAI: oai:DiVA.org:kth-235278DiVA, id: diva2:1249528
Merknad

QC 20180920

Tilgjengelig fra: 2018-09-19 Laget: 2018-09-19 Sist oppdatert: 2019-06-05bibliografisk kontrollert

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Ahmed, LamisSilfwerbrand, Johan
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