Mitigation of Wind-Created Risks During Constructionby David V. Rosowsky, Purdue Univ, W. Lafayette, United States,
Robert T. Ratay, Purdue Univ, W. Lafayette, United States,
Document Type: Proceeding Paper
Part of: Structural Engineering in Natural Hazards Mitigation
Wind damage to structures during construction has been found to be significant and often catastrophic. Structural failures are often the result of wind loads that are far less than the design wind loads for the completed structure. Little or no guidance is provided in U.S. codes for establishing appropriate design values. A program of research is presented with the following objectives: (1) to evaluate significant scenarios and structural features during construction which contribute to wind-created hazards, (2) to perform safety analyses of structures during construction subjected to realistic gravity and lateral loads, and (3) to develop design guidelines to ensure improved and more risk-consistent performance of structures during construction. The proposed design guidelines should be based on probabilistic analyses, consistent with building code development efforts and concurrent construction load modeling research.
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