Coral and Salt Water as Concrete Materials
John G. Dempsey
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Concrete in which coral and its related soft and porous limestones are used as aggregate presents more than the usual number of problems in controlling uniformity and quality. Using sea water for mixing has always been a reluctant last resort. This paper describes coral materials, the problems arising from their use, and the methods of mix control used to btain uniformly satisfactory concrete. Notes on the action of sea water are presented with an account of field experience with it.