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Fundamental Properties of Self-Compacting Concrete Using Viscosity Modifying Admixture
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 Title & Authors
Fundamental Properties of Self-Compacting Concrete Using Viscosity Modifying Admixture
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 Abstract
Hydroxyethyl cellulose -based-viscosity modifying admixture and melamine-basd-superplasticizer were selected to be admixtures for self-compacting concrete based on the test results of fluidity and air content of mortar using 3 different viscosity modifying admixtures. The experimental results show that the initial and final set of self-compacting concrete and fly ash concrete with viscosity modifying admixture only have been delayed approximately 5 hours and 8~9 hours, respectively. It is found that the optimum dosage of viscosity modifying admixtures, coarse aggregate and cement content are 0.2% of water content, under 742 kg/ and over 364 kg/, respectively. Test results also show that the optimum fly ash in replacement of cement is 10% of cement weight for the enhancement of fluidity and long-term strength.
 Keywords
Self-compacting concrete;Viscosity modifying admixture;Hydroxyethyl cellulose;Superplasticizer;Fly ash;Coarse aggregate content;Cement content;Setting time;
 Language
Korean
 Cited by
1.
Production of Extracellular Polysaccharide, EPS WN9, from Paenibacillus sp. WN9 KCTC 8951P and Its Usefulness as a Cement Mortar Admixture,;;;;

Biotechnology and Bioprocess Engineering:BBE, 2001. vol.6. 2, pp.112-116
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