Coral Concrete at Bikini Atoll


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Title: Coral Concrete at Bikini Atoll

Author(s): Rick A. Ehlert

Publication: Concrete International

Volume: 13

Issue: 1

Appears on pages(s): 19-24

Keywords: aggregates; concrete durability; coral; cover; exposure; performance; reinforced concrete; seawater; General

Date: 1/1/1991

During World War II, concrete for military bases in the Gilbert, Marshall, Hawaiian, and other islands in the North Pacific Ocean was often made with coral aggregates and seawater. Post-war reconstruction and nuclear testing programs conducted by the Atomic Energy Commission at two Pacific atolls also used concretes made with coral aggregates and seawater. This paper examines the long-term strength of coral aggregate and seawater concrete and the durability of three reinforced concrete structures that used this type of concrete.