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Turner Truck Impact on Washington State Bridges

Description: Values of various impacts associated with the concrete bridges in the State of Washington as related to the operation of trucks with configurations as proposed by Francis C. Turner have been determined. These cost estimates are presented in matrix form and are based on permutations involving four basic Turner prototype trucks, a range of values for the bridge design life and a range of values for bridge live load overload. The various cost estimates were compiled for a population of 2,024 concrete bridges and were based on the assumption that each bridge in the population had a controlling maximum length simple span which was used in a failure criterion. The largest value of the cost estimate for the replacement of all deficient bridges in the population is $2.643 billion which resulted from the calculations involving the most severe Turner prototype truck loading (11AD), a 75 year design life, and a 0% live load overload. Several courses of action are postulated, and recommendations for further studies are given.

 

 

  • Date Published: December, 1992
  • Publication Number: WA-RD 287.1
  • Last Modified: October 13, 2007
  • Authors: Harold C. Sorensen, Francisco Manzo Robledo.
  • Originator: Washington State Transportation Center (TRAC)
  • # of Pages: 45 p., 900 KB (PDF)
  • Subject: Bridges, Concrete bridges, Cost estimating, Deficiencies, Equipment replacement, Impact studies, Service life, Structural deterioration and defects, Trucks.
  • Keywords: Turner Proposal, concrete bridges, fatigue, overload, replacement cost, remaining life, route assessment, maximum moments, maintenance, design loads, continuity.
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This abstract was last modified April 29, 2008