REMOVAL OF DIAPHRAGMS FROM THREE-SPAN STEEL GIRDER BRIDGE

The effects of removing interior channel diaphragms from an existing three-span bridge with rolled steel girders are reported in this paper. The effects of removing the diaphragms are evaluated using field measurements of girder stresses and deflections made before and after the diaphragms were taken out. Results from tests with trucks of known weight indicate that removing the diaphragms results in increases up to 15 percent in the maximum bottom flange stresses at the most heavily loaded girder. Comparisons of measured and calculated stresses show that the conservatism of common design practice is not significantly reduced by removing diaphragms, and the effects of removing interior diaphragms are judged insignificant.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/32947845
• Corporate Authors:

  American Society of Civil Engineers

  345 East 47th Street
  New York, NY  United States  10017-2398
• Authors:
  • Stallings, J M
  • Cousins, T E
  • Stafford, T E
• Publication Date: 1999-2

Language

• English

Media Info

• Features: Figures; References; Tables;
• Pagination: p. 63-70
• Serial:
  • Journal of Bridge Engineering
  • Volume: 4
  • Issue Number: 1
  • Publisher: American Society of Civil Engineers
  • ISSN: 1084-0702
  • Serial URL: http://ojps.aip.org/beo

Subject/Index Terms

• TRT Terms: Deflection; Girder bridges; Load tests; Stresses; Structural diaphragms
• Subject Areas: Bridges and other structures; Design; Highways; I24: Design of Bridges and Retaining Walls;

Filing Info

• Accession Number: 00759963
• Record Type: Publication
• Files: TRIS
• Created Date: Feb 3 1999 12:00AM