Prefabricated Bridge Elements and Systems for Off-System Bridges

Released on by Joseph Bryce Servos
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  • Prefabricated Bridge Elements and Systems for Off-System Bridges Book Detail

  • Author : Joseph Bryce Servos
  • Release Date : 2012
  • Publisher :
  • Genre : Civil engineering
  • Pages :
  • ISBN 13 :
  • File Size : 57,57 MB
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Prefabricated Bridge Elements and Systems for Off-System Bridges by Joseph Bryce Servos PDF Summary

Book Description: ABSTRACT: The Federal Highway Administration's (FHWA) "Every Day Counts'' initiative aims to shorten the overall project delivery time, enhance safety, and protect the environment both on and around construction projects. Using innovative planning, design, and construction methods, Accelerated Bridge Construction (ABC) techniques reduce on-site construction time for new or replacement bridges. One aspect of ABC is Prefabricated Bridge Elements and Systems (PBES), where bridge components are fabricated offsite to reduce on-site construction activities. Many state departments of transportation, including Florida DOT, are currently making efforts to implement PBES for their bridge construction projects. The purpose of this research project was to investigate other states standards and to evaluate them for possible implementation in Florida. An exhaustive search was made, and new literature was reviewed, to learn about current DOT standards and practices. The search revealed that the states with the most prefabricated bridge standards or activities are as follows: Utah, Alabama, Texas, Minnesota, and a collaboration of Northeastern states. These standards were reviewed for details such as the presence of post-tensioning, joint types, design load, and inspectability. The three standard bridge types that show the most promise for adoption by FDOT are: Florida DOT District 2s Truncated "Florida I-Beam'' (FIB), Minnesotas Inverted Tee Beam, and PCI's "Northeastern Extreme Tee'' (NEXT) Beam. A summary of the findings, including advantages and disadvantages of the bridge systems, is included in this report. Also included is a comprehensive list of web links to standard drawings from all state DOTs, which could also be helpful to expedite other research that involves standards and bridge construction/design practices.

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Prefabricated Bridge Elements and Systems

Prefabricated Bridge Elements and Systems

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This synthesis will be of interest to bridge designers, maintenance and construction personnel, and others concerned with the design, maintenance, and rehabilit