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Response of Concrete Shell Panels to Simulated Impact

by M. Arockiasamy, Memorial Univ of Newfoundland, Faculty of Engineering & Applied, Science, St. John's, Newfoundl, Canada,
A. S. J. Swamidas, Memorial Univ of Newfoundland, Faculty of Engineering & Applied, Science, St. John's, Newfoundl, Canada,
K. Munaswamy, Memorial Univ of Newfoundland, Faculty of Engineering & Applied, Science, St. John's, Newfoundl, Canada,
D. Hamlyn, Memorial Univ of Newfoundland, Faculty of Engineering & Applied, Science, St. John's, Newfoundl, Canada,



Document Type: Proceeding Paper

Part of: Civil Engineering in the Arctic Offshore

Abstract:

Concrete gravity structures have been constructed in Arctic regions for oil and gas exploration/production. In addition to extreme winds and waves, sheet ice, annual ridges, rubble fields, multi-year ridges, ice island fragments, icebergs and bergy-bits are encountered. An analytical and experimental study carried out on the resistance of fibre/plain reinforced concrete cylindrical panels against simulated bergy-bit impact loads is presented. Using model-prototype similitude relationships, four cylindrical panels were designed and fabricated; of the four, two were of fibre-reinforced concrete and the other two of plain reinforced concrete. The panels were tested in a Universal Testing Machine. It was found that the fibre reinforced concrete panel was 1. 64-1. 87 times stronger (ultimate failure load) than the plain reinforced concrete panel. Considerable deformation took place in fibre-reinforced concrete before ultimate failure set in.

Subject Headings: Fiber reinforced concrete | Shell structures | Panels (structural) | Reinforced concrete | Impact loads | Failure loads | Ultimate loads | Arctic

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