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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 Replacement in Structural Lightweight Concrete-Creep and Shrinkage Studies
Author(s): Donald W. Pfeifer
Publication: Journal Proceedings
Appears on pages(s): 131-140
Keywords: aggregates;compressive strength;concretes;creep (materials);drying shrinkage;fine aggregates;lightweight aggregate concretes;lightweight aggregates;mix proportioning;research;sand (material).
Abstract:The creep and shrinkage volume changes of 47 structural lightweight concretes containing seven lightweight aggregates and varying amounts of a natural sand are reported. This paper is fifth and final in a series regarding the partial or complete replacement of lightweight fines with sand. Creep and shrinkage were generally reduced when increasing amounts of sand fines were used. Data are presented which correlate the reduced volume changes to increasing volume of coarse aggregate in the concrete. The increase of coarse aggregate volume arises from the proportioning procedures, and also reflects the reduction of water, cement, and fine aggregates in lightweight concretes containing increasing amounts of natural sand.
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