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Shrinkage and creep of SCC – The influence of paste volume and binder composition

✍ Scribed by Andreas Leemann; Pietro Lura; Roman Loser

Book ID
104017405
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
644 KB
Volume
25
Category
Article
ISSN
0950-0618

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✦ Synopsis

In this study, the stress-strain-behaviour of self-compacting concrete (SCC) and conventionally vibrated concrete (CVC) is compared. The influence of the paste volume and the cement type on E-modulus, flexural and compressive strengths, drying shrinkage, creep and stress development under restrained conditions is investigated on three SCC mixtures and three mixtures of CVC with identical waterto-cement-ratio. SCC reaches lower values for E-modulus, compressive and flexural strengths but higher values for shrinkage, creep and strain under restrained conditions. Besides the paste volume, the cement type plays a fundamental role regarding creep. Composite models were applied for comparisons and were able to predict the differences in E-modulus and shrinkage between CVC and SCC.

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