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Influence of fly ash and limestone on the properties of self-compacting concrete

Author(s): M. Skazlić
Paper category: Symposium
Book title: 3rd International RILEM Symposium on Rheology of Cement Suspensions such as Fresh Concrete
Editor(s): O.H. Wallevik, S. Kubens, S. Oesterheld
ISBN: 978-2-35158-091-2
e-ISBN: 978-2-35158-092-9
Pages: 237- 244
Total Pages: 8
Language: English

Self-compacting concrete is an innovative concrete type which requires no compaction during placement.
In this paper a description is given of an experimental investigation into self-compacting concrete with addition of fly ash and limestone. Self-compacting concrete properties (compressive strength, gas permeability, chloride ion diffusion) were tested in fresh and hardened state. Different quantities of fly ash (0, 30, 40, and 50%) and limestone (0 and 5%) were varied in experiments.
Fresh concrete properties are improved with the addition of fly ash. An analysis of test results suggested that the addition of fly ash and limestone has a positive effect on durability properties. Compressive strength values are lower with higher addition of these mineral additives.
Based on the results obtained from the experiment an optimum composition of self-compacting concrete with fly ash and limestone is recommended for its application in practice.

Online publication: 2009
Publication Type: full_text
Public price (Euros): 0.00

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