AUTOMATION OF SCOUR ANALYSIS AT LOUISIANA BRIDGE SITES. FINAL REPORT

The computerized system for the organization, analysis, and display of field collected scour data is described. This system will enhance the current manual procedure of accomplishing these tasks. The system accepts input from the user, and based on user specification, allows the data to be organized and viewed in a variety of formats. These include cross sections from scour measurements at selected locations upstream or downstream of the bridge, longitudinal profiles through a selected pier, or the temporal history of maximum scour activity within a given specified area near the bridge. The data may be viewed in tabular as well as graphical formats. In addition, the available scour data in four bridge sites were analyzed and used to develop regression equations which relate long-term channel degradation at these bridge sites to flow and geometric variables. These equations were incorporated into the computer system such that the user may input desired hypothetical discharges and states and the system will compute the resulting long-term scour. This hypothetical value is then added to the scour activity graphs so the hypothetical bottom elevation can be compared to the existing bottom and critical pier elevations. Various digital hydrographic survey equipment systems were also investigated and recommendations are made with regard to possible future purchases.

• Record URL:
  http://www.ltrc.lsu.edu/pdf/2008/fr_217.pdf
• 
• Corporate Authors:

  Louisiana State University, Baton Rouge

  Department of Civil and Environmental Engineering
  Baton Rouge, LA  United States  70803

  Louisiana Transportation Research Center

  4101 Gourrier Avenue
  Baton Rouge, LA  United States  70808

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Cruise, J F
  • Argialas, D P
• Publication Date: 1988-12

Media Info

• Features: Appendices; Figures; References; Tables;
• Pagination: 78 p.

Subject/Index Terms

• TRT Terms: Bridges; Channels (Waterways); Data analysis; Equations; Equipment; Flow; Geometric elements; Hydrographic surveying; Information processing; Mathematical analysis; Performance evaluations; Regression analysis; Scour; User interfaces (Computer science)
• Uncontrolled Terms: Degradation; Interactive computing
• Geographic Terms: Louisiana
• Old TRIS Terms: Discharge; Geometrics data
• Subject Areas: Bridges and other structures; Data and Information Technology; Design; Highways; Hydraulics and Hydrology; I24: Design of Bridges and Retaining Walls;

Filing Info

• Accession Number: 00493604
• Record Type: Publication
• Report/Paper Numbers: FHWA-LA-217
• Contract Numbers: 87-1H(B)
• Files: TRIS, USDOT
• Created Date: Apr 30 1990 12:00AM