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Shrinkage Model for Heavyweight Concrete Using Magnetite Particles
Abstract:
The CEB-FIP equations generally underestimate the shrinkage strains of heavyweight concrete, showing a more notable trend with the increase in ages and equivalent porosities of aggregate. This study formulated the shrinkage behavior of heavyweight magnetite concrete as an expanded version of GL 2000 model by introducing the parameter of an equivalent porosity of aggregates. The proposed models gave significantly more accurate predictions than CEB-FIP equations even at long-term ages.
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216-219
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April 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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