LABORATORY INVESTIGATION TO DETERMINE STATIC AND REPEATED LOAD STRENGTH OF FULL-SIZE DOUGLAS FIR GLUED LAMINATED STRINGERS

This report contains a description and analysis of data recorded during the investigation of 24 dry, untreated, combination 10, Douglas fir. glued-laminated bridge stringers in the AAR Research Center Laboratory. A complete summary of the data obtained during this investigation can be found in Tables 1, 2 and 3. This report also contains a description and analysis of data pertaining to the growth characteristics and physical properties of the wood used in these stringers as determined by the Forest Products Laboratory, Madison, Wisconsin. The data obtained during this investigation can be found in Tables 6 to 8.

• Corporate Authors:

  Association of American Railroads Research Center

  3140 South Federal Street
  Chicago, IL  United States  60616
• Authors:
  • Digest, A
• Publication Date: 1962-10

Media Info

• Features: Appendices; Figures; Tables;
• Pagination: 10 p.

Subject/Index Terms

• TRT Terms: Bridges; Laminated wood; Stresses; Stringers; Trestles
• Old TRIS Terms: Bridge stresses; Glued laminated bridge stringers
• Subject Areas: Bridges and other structures; Railroads;

Filing Info

• Accession Number: 00083045
• Record Type: Publication
• Source Agency: Association of American Railroads Research Center
• Report/Paper Numbers: #ER-26
• Files: TRIS
• Created Date: Mar 26 1975 12:00AM