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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: Experiences in the Use of Superplasticizers in England
Author(s): P.C. Hewlett
Publication: Special Publication
Appears on pages(s): 101-122
Keywords: admixtures; age; bleeding (concrete); cements; concrete construction; concrete durability; concretes; flow table tests; mix proportioning; plasticizers; slump tests; workability
Abstract:Superplasticizers in the UK are not used extensively as routine admixtures but more in problem situations. The reasons for this are given. However, as a consquence, a number of relevant problem areas have come to light, for instance:-The time dependance of enhanced workability and the effect of aged concrete. Effect of cement type. Durability predictions of concrete containing superplasticiser. Inadequacy of standard workability tests. Mix design and consequential bleed. These aspects are discussed and taken in relation to case histories.
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