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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: Effect of Water-Cement Ratio on Concrete Weight Coatings
Author(s): Eugene Alymov
Publication: Concrete International
Appears on pages(s): 28-31
Keywords: aggregate, void, air, pressure
Abstract:Zero-slump concrete can be used for weight coating of steel pipes used for the underwater transmission of natural gas, primarily to provide negative buoyancy for the pipe sections. This concrete is prepared using heavyweight (iron ore) aggregates and typically has a water-cement ratio of 0.33. Results of the study described in this article indicate that void contents can be reduced using water-cement ratios that exceed the typical value. This will allow for cost savings through reductions in the proportion of heavyweight aggregate in the mixture.
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