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Title: Volumetric strain of concrete under uniaxial compression
Subtitle: Sustained loading and high grade concrete

Ref Code: IP15/02
Authors: N Clayton

Abstract1: Uniaxial compression tests were carried out on concrete prisms made from concrete grades ranging from normal to very high grade. Axial and lateral strains were measured, giving the volumetric strain. The applied stress carried at minimum volume was compared with the long-term strength of concrete under sustained loading, and the effect of concrete grade was studied. The results were used to investigate the power curve for stress-strain relationships, and simple formulae for initial stiffness and Poisson's ratio were obtained.

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Year Published: 2002

ISBN: 978-1-86081-593-5

 

Pages: 6

 

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