Effects of Debris on Bridge Pier Scour (2010) / Chapter Skim
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41.1 Scope and Research Objectives 1.1.1 Background On Sunday, March 16, 1980, a portion of the Perkins Road Bridge over Nonconnah Creek in Memphis, Tennessee, collapsed during high flow (Figure 1.1)
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pier foundations for use by DOTs and other agencies in the design, operation, and maintenance of highway bridges. The objectives of this research were to develop (1)
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1.2.2 Research Plan Modifications The Interim Report (Task 5) provided all findings and recommendations from Phase 1, including the suggested laboratory test plan for Phase 2.
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and 2 were categorized, and selected debris configurations were prioritized for use in the Phase 2 laboratory experiments. A testing program was proposed to address three main objectives: 1.
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Task 8, Develop Scour Prediction Methods Based on the results of Task 7, the research team developed methods for predicting the depth, shape, and lateral extent of scour at bridge piers resulting from debris accumulations. The methods are suitable for incorporation into HEC-18.
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