Effects of drying conditions, admixtures and specimen size on shrinkage strains |
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Authors: | Saleh A Al-Saleh Rajeh Z Al-Zaid |
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Affiliation: | a Riyadh College of Technology, P.O. Box 88800, Riyadh 11672, Saudi Arabia b King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia |
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Abstract: | The paper presents the results of an experimental investigation on the effects of drying conditions, specimen size and presence of plasticizing admixture on the development of shrinkage strains. The measurements are taken in a harsh (50 °C and 5% R.H.) and a moderate environment (28 °C and 50% R.H.). The results include strain development at various levels of cross sections of concrete prisms. The drying conditions are found to be the dominant parameter affecting the shrinkage strain development particularly in specimens of smaller sizes. The effect of plasticizing admixture on shrinkage strains is negligible. |
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Keywords: | Drying Humidity Temperature Shrinkage Admixture |
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