Concrete Safety Shape with Metal Rail on Top to Redirect 80,000 Lb. Trucks

Details

• Creators:
  Hirsch, T. J. ; Fairbanks, William L. ; Buth, C. E.
• Corporate Creators:
  Texas Transportation Institute. Texas A&M University
• Corporate Contributors:
  Texas State Department of Highways and Public Transportation ; United States. Department of Transportation. Federal Highway Administration
• Subject/TRT Terms:
  • Bridge railings
  • Barriers (Roads)
  • Highway safety
  • Trucks
  • Heavy vehicles
  • Concrete
  • Strength of materials
  • Metal bridges
• Publication/ Report Number:
  FHWA/TX-83/+416-lF
• Resource Type:
  Tech Report
• Geographical Coverage:
  United States ; Texas
• Edition:
  Final Report: September 1983 - December 1984
• Corporate Publisher:
  Texas Transportation Institute. Texas A&M University
• Abstract:
  Since the 32 in. (81 cm) high concrete safety shape is a popular median and bridge barrier, it was desirable to see if it could be modified to make it an effective traffic rail for trucks. An 18 in. (46 cm) high metal traffic rail was mounted on top of the 32 in. (81 cm) high concrete safety shape to make a bridge rail 50 in. (127 cm) high to restrain and redirect 80,000 lb. (36,287 kg) van type trucks. The bridge rai1 was impacted by such a truck at 48.4 mph (77.9 km/h) at an angle of 14.5 degrees. The bridge rai1 did restrain and redirect the trucks on the simulated bridge. The truck did roll over; however, this was attributed to the 11.3 degree sloping face of the concrete safety shape.
• Format:
  PDF
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/86101/dot_86101_DS1.pdf
• File Type:
  [PDF - 1.58 MB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:8539197c74f3bb4a583cb8ec3b0b32f24484c7331bf71a61cf5ecd0387f2d175e2d3f4466fb45c2a70f1b6cbd4d7e3c28450989f2a70275f6ead55b17f2f5d79