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2020 | OriginalPaper | Chapter

The Influence of Type and Combination of Polycarboxylate-Based (PCE) Superplasticizer on the Rheological Properties and Setting Behaviours of the Self-consolidating Concrete Containing GGBS and DSF

Authors : Chow Wee Kang, Cheah Chee Ban, Oo Chuan Wei

Published in: Proceedings of AICCE'19

Publisher: Springer International Publishing

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Abstract

This paper is focus on the influence of the type and combined use of polycarboxylate-based (PCE) superplasticizer of fresh properties and the setting behaviour of self-consolidating concrete (SCC) incorporating ground granulated blast furnace slag (GGBS) and densified silica fume (DSF) as primary binder phase prepared at low water-to-binder (w/b) ratio. The MPEG, a fixed dosage of TPEG type of PCE superplasticizer and blend of MPEG and TPEG PCE were used as superplasticizer compound of the HPSCC. The assessment on fresh properties of the HPSCC includes slump-flow test (T500), L-box, and sieve segregation test. In addition, the effect of the various type and combinations of the PCE superplasticizer on the initial and final setting of the SCC were compared. The results obtained indicated that the blend of MPEG and TPEG PCE exhibited negative effect on the fresh properties of the SCC by increasing the water demand to achieve a similar workability as individual use of MPEG and TPEG PCE. Meanwhile, it was observed that the combination of MPEG and TPEG PCE has reduced the retarding effect on the binder phase hydration.

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Literature
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Metadata
Title
The Influence of Type and Combination of Polycarboxylate-Based (PCE) Superplasticizer on the Rheological Properties and Setting Behaviours of the Self-consolidating Concrete Containing GGBS and DSF
Authors
Chow Wee Kang
Cheah Chee Ban
Oo Chuan Wei
Copyright Year
2020
DOI
https://doi.org/10.1007/978-3-030-32816-0_29