ACI PRC-304.3-96: Heavyweight Concrete: Measuring, Mixing, Transporting, and Placing (Reapproved 2004)

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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.

Keywords: admixtures; aggregates; barite; cements; concrete construction; concretes; consolidation; construction equipment; conveying; density (mass/volume); formwork (construction); grout; heavyweight aggregates; heavyweight concretes; ilmenite; limonite; magnetite; mass concrete; materials handling; mix proportioning; mixing; placing; quality control; preplaced-aggregate concrete; radiation shielding; segregation.


Document Details

Author: ACI Committee 304

Publication Year: 2002

Pages: 8

ISBN: 9780870313165

Categories: Placing

Formats: PDF

This document is Historical

Table of Contents


Chapter 2: MATERIALS

2.1 Cement

2.2 Aggregate

2.3 Mixing water

2.4 Admixtures

2.5 Proprietary premixed mortar


3.1 Physical properties

3.2 Mixture proportioning



5.1 Conventional method

5.2 Preplaced aggregate method


6.1 Conventional method

6.2 Preplaced aggregate method


7.1 Samples and tests

7.2 Cement

7.3 Aggregate

7.4 Admixtures

7.5 Control tests

7.6 Inspection


8.1 Specified and/or recommended references

8.2 Citied References


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