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MODULUS OF ELASTICITY OF HIGH STRENGTH CONCRETE

Oana Gherman, Horia Constantinescu, Mircea Pastrav, Calin Gherman

First published: 2017-06-20https://doi.org/10.5593/sgem2017/62/s26.037View metrics

Abstract

Development of high strength concrete has been continuous over the years, its production becoming available at competitive prices to the construction industry, thus moving away from being a novelty product. Although high-strength concrete properties have been widely studied for nearly 100 years, currently available design standards for concrete structures contain stipulations based on research conducted on concrete with lower grades than those available today. The modulus of elasticity is a very important mechanical property of concrete and therefore is a key factor for estimating the deformation of structural elements and very important for structures that require strict control of their deformability. International codes propose a large variety of formulas to establish the relationship between modulus of elasticity and compressive strength. A research program has been carried out to establish the experimental values of modulus of elasticity according to Romanian Standard (STAS 5585), but also according to European Standard (EN 12390-13). Five classes of concrete were studied: C40, C60, C70, C80 and C90. Values obtained experimentally were compared with those obtained by calculation, taking into account the value of compressive strength. The influence of age on the modulus of elasticity is also discussed.

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Publication details

Title
MODULUS OF ELASTICITY OF HIGH STRENGTH CONCRETE
Authors
Oana Gherman, Horia Constantinescu, Mircea Pastrav, Calin Gherman
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Nano, Bio and Green - Technologies for a Sustainable Future
Publisher
STEF92 Technology
Year
2017
Pages
289-294
SWS Citekey
Gherman201726289294
ISSN
1314-2704
ISBN
978-619-7408-13-3
Language
en
Publication type
Conference Paper
Keywords
High strength concretemodulus of elasticitystressstrainEN 12390-13
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