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Information Paper 15/02 Volumetric strain of concrete under uniaxial compression, with reference to sustained loading and high grade concrete
Publication Year
2002
Document Status
Current
Abstract
Uniaxial compression tests were carried out on concrete prisms made from concrete grades ranging from normal to very high grade (C40, C70 and C130). Axial and lateral strains were measured, thus giving the volumetric strain. The applied stress carried at minimum volume, as determined from these short-term tests, was compared with the long-term strength of concrete under sustained loading, and the effect of concrete grade was studied. The results were also used to investigate the power curve for stress–strain relationships, and simple formulae for the initial stiffness and Poisson’s ratio were obtained.
Author
Clayton, N.
ISBN
9781860815935
Publisher Information
BRE
BRE is a building science centre that generates new knowledge through research. This is used to create products, tools and standards that drive positive change across the built environment. BRE helps its government and private sector clients meet the significant environmental, social and economic challenges they face in delivering homes, buildings and communities. BRE is owned by the BRE Trust, a registered charity. The Trust uses the profits made by the BRE companies to fund research and education that advances knowledge of the built environment.
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Bracknell
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UK
