SES_2008_presentation-Pour-Ghaz et al. 2008.pdf - Central Concrete
SES_2008_presentation-Pour-Ghaz et al. 2008.pdf - Central Concrete
SES_2008_presentation-Pour-Ghaz et al. 2008.pdf - Central Concrete
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Background on One ShrinkageMechanism - Capillary Tension• A liquid-vapor interfaceresults in a meniscus• The meniscus exerts astress on the pore w<strong>al</strong>ls• This stress isresponsible for thevolume change c<strong>al</strong>led“shrinkage”• The Young-Laplaceequation can be used tocompute the stressSe<strong>al</strong>ed 2- Plain cos( )Cap. .rSoci<strong>et</strong>y of Engineering Science Oct 12-15, <strong>2008</strong>, Slides Developed by Jason Weiss Slide 23 of 29
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