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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: Influence of Controlled Permeability Formwork Liner on the Quality of the Cover Concrete
Author(s): A. A. Sha'at, A. E. Long, F. R. Montgomery, and P. A. M. Basheer
Publication: Special Publication
Appears on pages(s): 91-106
Keywords: carbonation; concrete durability; curing; durability; sorption; formwork (construction); permeability; strength; tests; Materials Research
Abstract:Numerous methods are available to improve the surface durability of concrete. The most commonly used techniques are improved curing practices and the application of surface treatments. A new technique that employs a controlled permeability formwork liner (CPF) has been introduced in the U.K. This paper describes the results of an investigation to compare the effect of the controlled permeability formwork liner with that of various curing techniques and the absorption of silane in relation to the air permeability, sorptivity, water permeability, and strength of the cover concrete. Also, the resistance to carbonation has been studied. Results indicate that, in general, the use of CPF improves the surface properties compared with conventional steel formwork. The effect of variation of curing methods was marginal for concrete with CPF.
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