Fiber Optic Monitoring Methods for Composite Steel-Concrete Structures Based on Determination of Neutral Axis and Deformed Shape

The US civil infrastructure is aging and has been identified by several institutions (e.g. United States Department of Transportation [US-DOT], Federal Highway Administration [FHWA], Federal Transit Administration [FTA]) as an area in critical need of improvement. The American Society of Civil Engineers (ASCE) estimates that current deterioration trends can have disastrous consequences in terms of costs ($520 billion by year 2040), and socioeconomic impact (loss of ~ 400,000 jobs nationwide). Approximately 25% of bridges in the US were identified as structurally deficient or functionally obsolete in 2009. Most of these structures are typical bridges, consisting of a concrete deck supported by steel girders (stringers). It becomes evident that sustainable preservation of existing infrastructure represents a goal that is essential for future vitality of the US economy and the prosperity of the US society, and the need is growing every day. With an aging infrastructure it becomes crucial to make informed decisions about maintenance and preservation actions, and renewal. Structural Health Monitoring (SHM) can be an important aid in this decision process. In spite of its great potential, however, SHM is not applied in a widespread or generic manner, mainly due to the lack of reliable and affordable monitoring solutions. Thus, there is a demand for monitoring methods that are not specific to individual structures, are reliable and robust on-site, and applicable to typical bridges.

    Language

    • English

    Project

    • Status: Completed
    • Funding: $60029.00
    • Contract Numbers:

      DTRT12-G-UTC16

      CAIT-UTC-012

    • Sponsor Organizations:

      Center for Advanced Infrastructure and Transportation

      Rutgers University
      100 Brett Rd
      Piscataway, NJ  United States  08854-8058
    • Project Managers:

      Szary, Pat

    • Performing Organizations:

      Princeton University

      Department of Civil Engineering
      Princeton, NJ  United States  08450
    • Principal Investigators:

      Glisic, Branko

    • Start Date: 20120615
    • Expected Completion Date: 0
    • Actual Completion Date: 20131130
    • Source Data: RiP Project 32669

    Subject/Index Terms

    Filing Info

    • Accession Number: 01521845
    • Record Type: Research project
    • Source Agency: Center for Advanced Infrastructure and Transportation
    • Contract Numbers: DTRT12-G-UTC16, CAIT-UTC-012
    • Files: UTC, RiP
    • Created Date: Apr 10 2014 1:01AM