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8 Documents associated with: Mix Designs >Superplasticizers
  1 EcoSmart Sustainable Concrete: Little Mountain Reservoir and Seymour Clearwell, The Contractor's Perspective
    Document Type: Presentation
    Publication Date: February 13, 2008
Author(s): Rob Karchewski, Graham Industrial Services
    The Engineering Manager of Graham Group Ltd., Impey presented the contractor perspective on the use of high volume fly ash concrete in the Little Mountain Reservoir and Seymour projects....[more]
    See Also: costs, finishing, high volume fly ash concrete, placing, slump
  2 Evaluation of the Potential Use of the Superplasticizer ALPHALITH FT30LV with Canadian Cements
    Document Type: Technical Report
    Publication Date: September 2003
Author(s): Benoit Fournier, Pierre-Claver Nkinamubanzi, CANMET Energy Technology Centre, Natural Resources Canada
    ECTechnology, Vancouver, via EcoSmart, provided ICON CANMET with a new superplasticizer produced by Rhein Chemotechnik GmbH, Breitscheid Germany, the ALPHALITH FT30LV, which meets the European standards and certifications for analyzing and testing of its suitability for the Canadian market. The superplasticizer belongs to the family of naphthalene...[more]
    See Also: air content, concrete tests, setting time, superplasticizers
  3 High Volume Fly Ash System: The Concrete Solution for Sustainable Development
    Document Type: Technical Report
    Publication Date: September 1998
Author(s): Alain Bilodeau, V.M. Malhotra, CANMET Energy Technology Centre, Natural Resources Canada
    Bilodeau and Malhotra presented this paper at the CANMET/ACI International Symposium on Sustainable Development of the Cement and Concrete Industry, Ottawa, Canada, October 21-23, 1998. This paper, partly based on a CANMET publication issued in 1993, gives an overview of the properties of high volume fly ash (hvfa) concrete, including slump, air co...[more]
    See Also: concrete tests, durability, mixture proportioning, strength development, superplasticizers, sustainability
  4 Mechanical Properties and Durability of Concrete made with HVFA Blended Cement Produced in a Cement Plant
    Document Type: Technical Report
    Publication Date: October 2001
Author(s): Nabil Bouzoubaa, Benoit Fournier, V.M. Malhotra, D.M. Golden
    This paper presents the results of a study on the mechanical properties and durability of concrete made with high volume fly ash (HVFA) blended cement produced in a cement plant. The test results obtained were compared with those of a control concrete made with a commercially available ASTM Type I cement; the control concrete had a 28-day compressi...[more]
    See Also: air content, blended cement, compressive strength, concrete tests, durability, flexural strength, high volume fly ash concrete, scaling, setting time, slump
  5 Optimization of Fly Ash in Concrete
    Document Type: Technical Report
    Publication Date: February 2002
Author(s): Nabil Bouzoubaa, Benoit Fournier, CANMET Energy Technology Centre, Natural Resources Canada
    This report outlines the preliminary results of a research project aimed at optimizing the fly ash content in concrete. Such fly ash concrete would develop an adequate 1-day compressive strength, and would be less expensive than the normal Portland cement concrete with similar 28-day compressive strength.

The results show that, in a norma...[more]

    See Also: aggregates, compressive strength, concrete tests, costs, penetration of chloride ions
  6 Performance of Mortars Incorporating Finely-Ground Fly Ash
    Document Type: Technical Report
    Publication Date: May 2000
Author(s): Nabil Bouzoubaa, V.M. Malhotra, CANMET Energy Technology Centre, Natural Resources Canada
    This paper presents results on the compressive strength of mortars in which 10 and 20% of ASTM Type I cement has been replaced by ground fly ash from two different sources. The results are compared with those of the mortars made with ASTM Type I cement, and with the mortar in which 10% of portland cement has been replaced by silica fume. The result...[more]
    See Also: aggregates, compressive strength, silica fume, superplasticizers, water-to-cementing materials ratio
  7 Production and Performance of Laboratory Produced High-Volume Fly Ash Blended Cements in Concrete
    Document Type: Technical Report
    Publication Date: April 19, 1999
Author(s): Nabil Bouzoubaa, M.H. Zhang, V.M. Malhotra, CANMET Energy Technology Centre, Natural Resources Canada
    This paper reports on CANMET's development of high volume fly ash (HVFA) blended cements, and their performance in concrete. The blended cements are made by intergrinding approximately 55% of fly ash and 45% of ASTM Type I or Type III cement clinker together with small amounts of gypsum and a dry superplasticizer. The concrete made with the HVFA b...[more]
    See Also: bleeding, clinker, compressive strength, durability, gypsum, modulus of elasticity, scaling, setting time, shrinkage, tensile strength
  8 The Role of Superplasticizers in the Development of Environmentally-Friendly Concrete
    Document Type: Technical Report
    Publication Date: April 19, 2000
Author(s): Monique Page, Nelu Spiratos
    Since their introduction in the early 60’s, superplasticizers have become an essential component of concrete. By reducing the amount of water in concrete, superplasticizers have contributed to a significant reduction in its porosity and to a concomitant increase in its compressive strength and durability. These chemical admixtures have also been at...[more]
    See Also: durability, emissions, freezing and thawing, penetration of chloride ions, superplasticizers
   
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