LATERAL RESTRAINT OF NON-COMPOSITE BEAMS. RESEARCH REPORT

Full-scale laboratory and field testing was performed to determine the restraint to elastic buckling of a steel beam supporting a non-composite concrete deck. In the laboratory testing, a 21-ft S 12 X 31.8 beam was loaded to flange yield without indication of lateral instability. Loads were applied through a 6-in. thick reinforced concrete slab having neither mechanical nor chemical bond to the beam. The theoretical buckling stress for this beam was 23.8 ksi. The field test, performed on the 18.25-ft S 18 X 54.7 stringers of a truss bridge with a non-composite deck, showed that the induced live-load bending was less than 15 percent of the design value. Based on these results it is concluded that lateral buckling of non-composite bridge members is unlikely to occur in service.

• Corporate Authors:

  New York State Department of Transportation

  Engineering Research and Development Bureau, 1220 Washington Avenue
  Albany, NY  United States  12232
• Authors:
  • Kissane, R J
• Publication Date: 1985-8

Media Info

• Features: References;
• Pagination: 27 p.

Subject/Index Terms

• TRT Terms: Bridge decks; Buckling; Concrete; Constraints; Live loads
• Uncontrolled Terms: Steel beams
• Subject Areas: Bridges and other structures; Design; Highways; I24: Design of Bridges and Retaining Walls;

Filing Info

• Accession Number: 00458174
• Record Type: Publication
• Source Agency: Engineering Information, Incorporated
• Report/Paper Numbers: FHWA/NY/RR-85/123, RR-123
• Files: TRIS, STATEDOT
• Created Date: Sep 30 1988 12:00AM