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Effect of water dispersible polymers on the properties of superplasticized cement paste, mortar, and concrete

From National Research Council Canada

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Affiliation
  1. National Research Council of Canada. NRC Institute for Research in Construction
SponsorSearch for: American Concrete Institute; CANMET
FormatText, Article
ConferenceProc. 3rd Int. Conf on Superplasticizers and Other Chemical Admixtures in Concrete: 1989, Ottawa, Ont. Canada
Subjectcement; paste (state); concrete admixtures; compressive strength; mortar setting agents; cement pastes; compressive strength; concrete; ethylene copolymers; flexural strength; mortars; plasticizers; plastics; polymers; resins; porosity; setting; hardening; shrinkage; styrene copolymers; workability; Mortar; Admixtures; ciment; materiau polymérique; pâte (forme); adjuvant; résistance à la compression; mortier; accéleration de prise
Abstract
A study was designed to assess the merits of polymer addition to superplasticized cement paste, mortar and concrete. Three superplasticizers - a sulfonated melamine formaldehyde, a sulfonated naphthalene formaldehyde and a commercial superplasticizer were used in combination with experimental polymers. Polymer and super-plasticizer dosages ranged from 0-15% and 0-0,3% respectively. The effect of binary admixture systems - (superplasticizer and polymer) - on the physico-mechanical properties of the cementitious systems was determined. Properties investigated included the following; slump retention, setting time, compressive strength, flexural strength, surface area, porosity and density. Compatibility of the polymers with the superplasticizer was assessed with respect to the influence of the individual admixtures on the properties of the various systems. Synergistic effects were observed for one polymer, the results of which are discussed in detail.
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  • ACI SP (1989): 221–242.
LanguageEnglish
Peer reviewedYes
IdentifierIRC-P-1634
NRC numberNRCC 31109
NRC-IRC-3104
NPARC number20375100
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Record identifierb49be234-95d2-47a9-aa9c-1aab5497d963
Record created2012-07-23
Record modified2020-06-06
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