Foundations and Breakaway Walls of Small Coastal Buildings in Hurricane Hugo

by Spencer M. Rogers, Jr., North Carolina State Univ, Kure Beach, United States,

Document Type: Proceeding Paper

Part of: Coastal Zone '91


After Hurricane Hugo a survey of damage to small, coastal buildings was conducted in North and South Carolina. The performance of elevated foundations, breakaway walls and foundation cross bracing was assessed. Adequately imbedded piling foundations were generally effective. Masonry and cast-in-place concrete foundations revealed major construction flaws and experienced widespread failures. Existing practices of constructing cross bracing and breakaway walls were found to have substantial weakness but their failure did not cause structural damage. Modified construction practices are suggested. Highly elevated, masonry foundations with shallow footings experienced widespread failures and were found to be inappropriate in coastal flooding.

Subject Headings: Failure analysis | Foundations | Walls | Coastal environment | Hurricanes and typhoons | Damage (structural) | Bracing | Masonry | North Carolina | South Carolina | United States

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