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Title: Effect of various supplementary cementitious materials on rheological properties of self-consolidating concrete
Authors: Saleh Ahari, Reza
Erdem, Tahir Kemal
Ramyar, Kambiz
Keywords: HRWR demand
Plastic viscosity
Supplementary cementitious materials
Concrete mixtures
Yield stress
Publisher: Elsevier Ltd.
Source: Saleh Ahari, R., Kemal Erdem, T., and Ramyar, K. (2015). Effect of various supplementary cementitious materials on rheological properties of self-consolidating concrete. Construction and Building Materials, 75, 89-90. doi:10.1016/j.conbuildmat.2014.11.014
Abstract: In design of self-consolidating concrete (SCC) for a given application, the mixture's rheological parameters should be adjusted to achieve a given profile of yield stress and plastic viscosity. Supplementary cementitious materials (SCM) can be useful for this adjustment in addition to their other advantages. In this study, the rheological properties of 57 SCC mixtures with various SCM were investigated for a constant slump flow value. For this aim, various amounts of silica fume (SF), metakaolin (MK), Class F fly ash (FAF), Class C fly ash (FAC) and granulated blast-furnace slag (BFS) were utilized in binary, ternary, and quaternary cementitious blends in three water/binder ratios. Results showed that SF and BFS decreased plastic viscosity and V-funnel time values in comparison with mixtures containing only Portland cement (PC). However the opposite tendency was observed when MK, FAC and FAF were incorporated with PC. Substitution of PC with SF, MK and FAC increased high range water reducer (HRWR) demand in the SCC mixtures having constant slump flow. Use of SCM in SCC mixtures increased yield stress values. Good correlations were established between plastic viscosity and V-funnel flow time values for all w/b ratios.
ISSN: 0950-0618
Appears in Collections:Civil Engineering / İnşaat Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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