ON THE USE OF MEASURED VIBRATION FOR DETECTING BRIDGE DAMAGE

Bridge condition monitoring using modal properties, which has been suggested and studied recently, is perceived to supplement or even replace current inspection practice. However, its applicability is still unclear. A study conducted on a fracture-critical bridge, supplementing earlier studies on a scaled model bridge, is presented. The detectability of damage using measured vibration is addressed. Results indicate that modal frequencies can be used to detect the existence of damage or deterioration simulated here. However, the damage location cannot be identified with high confidence using the mode shapes and their derivatives because damage affects mode shapes comparably at both damaged and undamaged locations.

Language

  • English

Media Info

  • Features: Figures; References; Tables;
  • Pagination: p. 125-137
  • Monograph Title: FOURTH INTERNATIONAL BRIDGE ENGINEERING CONFERENCE, SAN FRANCISCO, CALIFORNIA, AUGUST 28-30, 1995. CONFERENCE PROCEEDINGS, 2 VOLUMES
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00711681
  • Record Type: Publication
  • ISBN: 0309061091
  • Files: TRIS, TRB
  • Created Date: Sep 5 1995 12:00AM