STRETCHED-OUT AASHO-PCI BEAMS TYPES III AND IV FOR LONGER SPAN HIGHWAY BRIDGES

A METHOD OF INCREASING THE SPAN CAPABILITY OF AASHO-PCI STANDARD I-BEAMS FOR HIGHWAY BRIDGES HAS BEEN INVESTIGATED AND DEMONSTRATED TO BE TECHNICALLY FEASIBLE. WITH A MODERATE AMOUNT OF MODIFICATION TO EXISTING FORMWORK, BEAM SECTIONS COMBINED WITH STRIPS OF DECKS CAN BE PRECAST IN SEGMENTS OF CONVENIENT LENGTH FOR TRUCK TRANSPORTATION FROM A PLANT TO THE CONSTRUCTION SITE. TWO-WAY SEGMENTAL CONSTRUCTION, WITH MAIN TENDONS FOR LONGITUDINAL POST-TENSIONING AND SMALLER TENDONS TENSIONED IN THE DECK SLAB, CAN PRODUCE A STRUCTURE EQUIVALENT TO MONOLITHIC CONCRETE CONSTRUCTION. /DOT/

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Filing Info

  • Accession Number: 00210021
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Apr 11 1974 12:00AM