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Proceedings Paper

Nondestructive inspection of reinforced concrete reefs submersed in seawater
Author(s): Ho-Sang Kim; Chang-Gil Kim; Jinho Woo; Won-Bae Na
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Paper Abstract

The physical deterioration of reinforced concrete reefs, which were fully immersed in Tongyeong waters of South Korea for 19, 21, 23, and 25 years, respectively, were investigated. Firstly, the marine environmental factors such as sea temperature, salinity, pH, dissolved oxygen, sea bottom materials, and water depth of target water sites were observed from 1997 to 2002. Secondly, four reinforced concrete reefs recovered from different sites in Tongyeong waters were tested through various nondestructive tools such as visual inspection, composition test, tensile strength test, compressive strength test, absorption rate and apparent density test, and pore volume test. Thirdly, those test results are analyzed to see the physical deteriorations. Based on the observations and test results, it is shown that, in global, the reinforced concrete reefs have sound physical properties and their originally estimated service life is secured enough for a further service period in the water depth of 28 to 32 m.

Paper Details

Date Published: 11 April 2007
PDF: 8 pages
Proc. SPIE 6532, Health Monitoring of Structural and Biological Systems 2007, 65321B (11 April 2007); doi: 10.1117/12.715406
Show Author Affiliations
Ho-Sang Kim, National Fisheries Research and Development Institute (South Korea)
Chang-Gil Kim, National Fisheries Research and Development Institute (South Korea)
Jinho Woo, Pukyong National Univ. (South Korea)
Won-Bae Na, Pukyong National Univ. (South Korea)

Published in SPIE Proceedings Vol. 6532:
Health Monitoring of Structural and Biological Systems 2007
Tribikram Kundu, Editor(s)

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