Updating the school bus standard vehicle for load rating Alabama bridges.

Details

• Creators:
  Richardson, Jim
• Corporate Creators:
  University of Alabama. Dept. of Civil, Construction and Environmental Engineering
• Corporate Contributors:
  Alabama. Department of Transportation. Bureau of Research and Development ; University Transportation Center for Alabama
• Subject/TRT Terms:
  • Load limits
  • Bridges
  • School buses
  • Live loads
  • Axle load force
  • School buses, Load limits, Bridges
• Publication/ Report Number:
  ALDOT #930-649 ; UTCA #06403
• Resource Type:
  Tech Report
• Geographical Coverage:
  Alabama
• Corporate Publisher:
  University Transportation Center for Alabama
• Abstract:
  The objective of this project is to identify a representative school bus (weight and axle spacing) for load rating highway bridges. The ALDOT Bridge Rating and Load Test Section currently uses a 12.5-ton school bus (four tons on the front axle and 8.5 tons on the rear axle) as one of its seven standard bridge load-rating vehicles. However, 99% of the buses in Alabama have a gross vehicle weight rating (GVWR, provided by the bus manufacturer) greater than 13 tons and the average GVWR is 14.5 tons. This project will compile a database of axle weights and spacings for all Alabama school buses, measure axle weights and spacings of selected school buses loaded with school children, and perform bridge rating analyses on a set of critical Alabama bridges to determine a representative school bus for bridge load rating.
• Format:
  PDF
• Funding:
  ALDOT Project #930-649 ; UTCA Project #06403
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/18049/dot_18049_DS1.pdf
• File Type:
  [PDF - 578.15 KB]
• Collection(s):
  University Transportation Centers ; US Transportation Collection
• Main Document Checksum:
  urn:sha256:59d86c25226eaa0b1d73cae70fd0cfad0a12adcb112696daaca9685c206a4d6d