Construction of prestressed concrete single-tee bridge superstructures.

Details

• Creators:
  Sprinkel, Michael M
• Corporate Creators:
  United States. Federal Highway Administration ; Virginia Highway & Transportation Research Council
• Publication/ Report Number:
  VHTRC 77-R50
• Resource Type:
  Tech Report
• Geographical Coverage:
  Virginia
• OCLC Number:
  3201424
• Corporate Publisher:
  Virginia Transportation Research Council
• Abstract:
  This report discusses in detail the construction of the first five precast, prestressed concrete, single-tee beam bridge superstructures to be let to contract in Virginia. The data suggest that this single-tee beam enables efficient construction of the superstructures of bridges in the short-span range, because the contractor can move from the bridge seat stage of construction to the forms-in-place stage by erecting tee beams mass produced at a fabricating plant. Using a 45-ton (4 x 104 kg) crane, several men can erect, connect, and overlay the tee beams at the rate of about one 42 ft. x 44 ft. (12.6 m x 13.2 m) span per week. With the addition of precast parapets, superstructure form work at the bridge site is almost eliminated. On-site construction time for the single-tee superstructure is controlled primarily by the time required for the site-cast concrete used in the diaphragms, overlays, and backwalls to attain the design strength. Single-tee bridge construction should be continued in a manner consistent with the conclusions of this report. Some additional research is recommended.
• Format:
  PDF
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha256:5d5773a968def521735475a8df5e026b8ff3ed6d7024fde5c30377783666e4d4
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/18750/dot_18750_DS1.pdf
• File Type:
  [PDF - 5.01 MB ]