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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Magnetite Iron Ore Concrete for Nuclear Shielding
Author(s): J. O. Henrie
Publication: Journal Proceedings
Appears on pages(s): 541-550
Keywords: no keywords
Abstract:Discusses crushing and handling of the magnetite iron ore, which was used as the aggregate for a dense shielding concrete, and the physical properties and costs of magnetite ore concrete are compared to those of other concretes. The mix used had a compressive strength of 4000 psi in 10 days. The methods used in fabricating shielding block are described. Recommendations for pro-ducing a low cost, relatively high density shielding concrete are made. T h e shielding block used (9 x 9 x 18 in. nominal) had a density of 3.7 g per sq cm or 230 lb per cu ft and cost $163.50 per cu yd. The dimensions of the block were quite uniform, having a standard deviation of approximately 0.015 in.
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