DESIGN AND REVIEW OF PRECAST CONCRETE BRIDGE ELEMENTS

This study is part of an effort directed to the reduction of short span (lengths to 50') bridge costs in Louisiana. In particular the emphasis is placed on superstructure types which can be erected rapidly and progressively using erected portions as a working platform. Precast, prestressed concrete elements suitable for erection with a 100 ton crane are of primary interest. The study includes a review of what is found to be the best solution to the short span bridge problem by several other states. Rather popular solutions of the types sought are obtained in many states by use of voided slabs, channels and box sections, generally with positive lateral load transfer mechanisms and either a bituminous or cast in place concrete overlay. Designs for box, spread box, and channel sections along with cost estimates are included for consideration by the Louisiana Department of Highways. It does not appear that substantial savings will be achieved by use of new sections. A substantial breakthrough in both manufacturing and construction procedures along with increased competition in the industry appear as the only real solutions to this problem. /Author/

• Supplemental Notes:
  • Sponsored by Louisiana Department of Highways and Federal Highway Administration.
• Corporate Authors:

  Louisiana State University, Baton Rouge

  Division of Engineering Research
  Baton Rouge, LA  United States  70803
• Authors:
  • Mckee, D C
  • Turner, H T
• Publication Date: 1975-12

Media Info

• Pagination: 55 p.
• Serial:
  • Issue Number: 5F309

Subject/Index Terms

• TRT Terms: Asphalt concrete; Box girders; Bridge design; Bridge superstructures; Bridges; Costs; Precast concrete; Prestressed concrete; Structural design; Superstructures
• Uncontrolled Terms: Bridge spans
• Subject Areas: Bridges and other structures; Finance; Highways;

Filing Info

• Accession Number: 00149589
• Record Type: Publication
• Source Agency: Federal Highway Administration
• Report/Paper Numbers: FHWA-LDH-LSU(75-1ST)Final Rpt., o. 116, 2
• Contract Numbers: 75-1ST (HP&R)
• Files: TRIS, USDOT
• Created Date: Apr 13 1977 12:00AM