The Synthesis Of Polycarboxylate Ether Polymers For Use As Additive In Ternary Blended Concrete

Ground granulated blast furnace slag–pulverized fly ash (GGBS-PFA) cement concrete is widely used in the contemporary concrete industry. But both GGBS and PFA are incompatible with polycarboxylate (PCE) polymers as reported in previous studies. It can be seen by the segregation effect and bleedin...

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Main Author:	Ng, Peck Gee
Format:	Thesis
Language:	English
Published:	2019
Subjects:	TH2025-3000 Details in building design and construction
Online Access:	http://eprints.usm.my/55561/1/Final%20Thesis%20cut.pdf
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spelling	my-usm-ep.555612022-11-08T06:41:39Z The Synthesis Of Polycarboxylate Ether Polymers For Use As Additive In Ternary Blended Concrete 2019-08 Ng, Peck Gee TH2025-3000 Details in building design and construction Ground granulated blast furnace slag–pulverized fly ash (GGBS-PFA) cement concrete is widely used in the contemporary concrete industry. But both GGBS and PFA are incompatible with polycarboxylate (PCE) polymers as reported in previous studies. It can be seen by the segregation effect and bleeding of ternary blended cement concrete containing PCE in its fresh state. As such, the ratio of α- methoxy-ω-hydroxy-poly(ethylene glycol) (M-PEG) to methacrylic acid (MAA) was adjusted to reduce the water demand of the GGBS-PFA ternary blended cement concrete while maintaining favorable segregation and bleeding resistance. This study was conducted to investigate the effect of PCE polymers with varying main chain densities (M-PEG) and side chain densities (MAA) on fresh and hardened of GGBSPFA ternary blended cementitious composite properties. A total of five PCE polymers were designed and synthesized with various main chain densities (M-PEG) and side chain densities (MAA) for use in concrete fabrication. Before concrete fabrication, the mix design parameters for the concrete fabrication were optimized with respect to binder compositions, ratio of coarse aggregates to fine aggregates (CA/FA), PCE polymers dosage and the designed water-binder (w/b) ratio. The fabricated concrete was tested in terms of workability, strength development and durability performance while the properties of the GGBS-PFA cement paste with the synthesized PCE were accessed. Furthermore, an analysis of PCE polymer characteristics was carried out using Fourier Transform Infrared Spectroscopy (FTIR) and Nuclear Magnetic Resonance (NMR). 2019-08 Thesis http://eprints.usm.my/55561/ http://eprints.usm.my/55561/1/Final%20Thesis%20cut.pdf application/pdf en public masters Universiti Sains Malaysia Pusat Pengajian Perumahan, Banggunan & Perancangan
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	TH2025-3000 Details in building design and construction
spellingShingle	TH2025-3000 Details in building design and construction Ng, Peck Gee The Synthesis Of Polycarboxylate Ether Polymers For Use As Additive In Ternary Blended Concrete
description	Ground granulated blast furnace slag–pulverized fly ash (GGBS-PFA) cement concrete is widely used in the contemporary concrete industry. But both GGBS and PFA are incompatible with polycarboxylate (PCE) polymers as reported in previous studies. It can be seen by the segregation effect and bleeding of ternary blended cement concrete containing PCE in its fresh state. As such, the ratio of α- methoxy-ω-hydroxy-poly(ethylene glycol) (M-PEG) to methacrylic acid (MAA) was adjusted to reduce the water demand of the GGBS-PFA ternary blended cement concrete while maintaining favorable segregation and bleeding resistance. This study was conducted to investigate the effect of PCE polymers with varying main chain densities (M-PEG) and side chain densities (MAA) on fresh and hardened of GGBSPFA ternary blended cementitious composite properties. A total of five PCE polymers were designed and synthesized with various main chain densities (M-PEG) and side chain densities (MAA) for use in concrete fabrication. Before concrete fabrication, the mix design parameters for the concrete fabrication were optimized with respect to binder compositions, ratio of coarse aggregates to fine aggregates (CA/FA), PCE polymers dosage and the designed water-binder (w/b) ratio. The fabricated concrete was tested in terms of workability, strength development and durability performance while the properties of the GGBS-PFA cement paste with the synthesized PCE were accessed. Furthermore, an analysis of PCE polymer characteristics was carried out using Fourier Transform Infrared Spectroscopy (FTIR) and Nuclear Magnetic Resonance (NMR).
format	Thesis
qualification_level	Master's degree
author	Ng, Peck Gee
author_facet	Ng, Peck Gee
author_sort	Ng, Peck Gee
title	The Synthesis Of Polycarboxylate Ether Polymers For Use As Additive In Ternary Blended Concrete
title_short	The Synthesis Of Polycarboxylate Ether Polymers For Use As Additive In Ternary Blended Concrete
title_full	The Synthesis Of Polycarboxylate Ether Polymers For Use As Additive In Ternary Blended Concrete
title_fullStr	The Synthesis Of Polycarboxylate Ether Polymers For Use As Additive In Ternary Blended Concrete
title_full_unstemmed	The Synthesis Of Polycarboxylate Ether Polymers For Use As Additive In Ternary Blended Concrete
title_sort	synthesis of polycarboxylate ether polymers for use as additive in ternary blended concrete
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Perumahan, Banggunan & Perancangan
publishDate	2019
url	http://eprints.usm.my/55561/1/Final%20Thesis%20cut.pdf
_version_	1776101093321736192

The Synthesis Of Polycarboxylate Ether Polymers For Use As Additive In Ternary Blended Concrete

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