Real-Time Remote Evaluation of Post-Event Residual Capacity of Highway Bridges

This project will develop and demonstrate the application of a base line-free sensor methodology for real-time monitoring and assessment of post-event integrity and safety of highway bridges. The work will be carried out in two stages. Work in Stage 1 will focus on two main tasks. The first task will involve development of a method for post-event bridge structural damage assessment based on vibration responses measured during the event and structural stiffness and damping identification. Four different methods as detailed in the proposal will be explored and compared through seismic shaking table tests of a multi-span bridge model. The second task will involve development of a method to estimate the post-event remaining capacity of a bridge based on the structural damage assessment results. The identified post-event structural stiffness will be used to update the structural model for push-over analysis to allow determination of the remaining capacity of the bridge. Work in Stage 2 will involve software development and field demonstration. The methods for post-event damage assessment and capacity estimation developed in Stage 1 will be packaged into efficient computer algorithms software. The software package will be evaluated using seismic shaking table test results and integrated with an instrumented test bed bridge for long-term evaluation. The final report will document development of the methods and the associated software and provide an assessment of their technical and commercial feasibilities. An exploratory software package along with a users manual for real-time, remote assessment of damage and evaluation of post-event residual capacity of bridges will also be provided.

Language

  • English

Project

  • Status: Completed
  • Contract Numbers:

    Project 20-30, IDEA

  • Sponsor Organizations:

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590

    American Association of State Highway & Transportation Officials (AASHTO)

    444 North Capitol Street, NW, Suite 225
    Washington, DC  United States  20001

    National Cooperative Highway Research Program

    Transportation Research Board
    500 Fifth Street, NW
    Washington, DC  United States  20001
  • Project Managers:

    Jawed, Inam

  • Performing Organizations:

    Transportation Research Board

    500 Fifth Street, NW
    Washington, DC  United States  20001
  • Start Date: 20090422
  • Expected Completion Date: 0
  • Actual Completion Date: 0
  • Source Data: RiP Project 22081

Subject/Index Terms

Filing Info

  • Accession Number: 01547248
  • Record Type: Research project
  • Source Agency: National Cooperative Highway Research Program
  • Contract Numbers: Project 20-30, IDEA
  • Files: TRB, RiP
  • Created Date: Dec 4 2014 1:00AM