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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: Sand Grading Influence on Air Entrainment in Concrete
Author(s): M. A. Craven
Publication: Journal Proceedings
Appears on pages(s): 205-215
Keywords: no keywords
Abstract:Four series of mixes with various air-entraining agents, cement factors, amd sand grading and content were prepared in order to observe sand grading effect on concrete. Graphic record is presnted of air content and W/C plotted against finess modulus of sand; flow and compressive strength plotted against finess modulus of sand; and air content plotted against percent of No.30-No.50 sand and total sand percentage. Generally the percentage of air entrained in concrete increased with decrease in fineness modulus of sand. Quantity of air appears to be a function of the quantity of No.30-No.50 sand. Effect of grading and quantity of sand on other properties of fresh and hardened concrete is noted.
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