304.3R-96: Heavyweight Concrete: Measuring, Mixing, Transporting, and Placing


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Title: 304.3R-96: Heavyweight Concrete: Measuring, Mixing, Transporting, and Placing

Author(s): ACI Committee 304

Publication: Technical Documents



Appears on pages(s): 8

Keywords: admixtures; aggregates; barite; cements; concrete construction; concretes; consolidation; construction equipment; conveying; density (mass/volume); formwork (construction); grout; heavyweight aggregates; heavyweight concretes; ilmenite; limonite

Date: 1/23/1996

Presents recommended methods and procedures for measuring, mixing, transporting, and placing heavyweight concretes that are used principally for radiation shielding in nuclear construction. Also covered are recommendations on cement, heavyweight aggregates, water, and admixtures. Mixture proportioning of heavyweight concrete is discussed. Recommendations for preplaced-aggregate heavyweight concrete are also included, together with suitable grout proportions. Mixing equipment, form construction, placing procedures, and methods of consolidation are described. Quality control, inspection, and testing are emphasized, and a list of references is included.


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