An Application of Scour Hazard Analysis and Management

by Dimitri A. Grivas, Rensselaer Polytechnic Inst, Troy, United States,
Keith E. Giles, Rensselaer Polytechnic Inst, Troy, United States,
Ernest Holmberg, Rensselaer Polytechnic Inst, Troy, United States,

Document Type: Proceeding Paper

Part of: Infrastructure: Planning and Management


A phased study for the assessment of bridge scour vulnerability is presented. Its objectives are to: (a) initiate a field assessment program, (b)establish data handling capabilities, (c) identify uncertainties in the scour predictions process, and (d) determine whether existing statistical models can be modified to improve scour predictions at New York State Thruway Authority (NYSTA) bridge crossings. Field scour vulnerability assessments are implemented in prioritized order for each of the 160 NYSTA bridges over water. A relational database is created to store scour data and facilitate data access and manipulation. Scour prediction models and conclusions are presented and discussed.

Subject Headings: Bridge tests | Scour | Structural models | Risk management | Management methods | Uncertainty principles | Existing buildings | Statistics | New York | United States

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