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Prefabricated Components Details

Prefabricated Components Details. Jim Nelson, P.E. Iowa Department of Transportation. Overview. Iowa ABC Workshop, August 11-12, 2008 Des Moines, Iowa. Prefabricated Components Details. Background.

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Prefabricated Components Details

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  1. Prefabricated Components Details Jim Nelson, P.E. Iowa Department of Transportation Overview Iowa ABC Workshop, August 11-12, 2008 Des Moines, Iowa

  2. Prefabricated Components Details Background • Details for construction using prefabricated components are important and must be constructible, cost effective and durable • Details include: • Joints between precast panels • Post-tensioning ducts and anchorages • Connections between panels and girders (stud pockets) • Haunch construction • Box beam connections • Precast substructure connections

  3. Deck Panels

  4. Casting Bed

  5. Shear Stud Pocket & PT Duct

  6. Transverse Joint Detail

  7. Keyway and PT Duct Block Out

  8. Vertical Adjustment of Deck Panels

  9. Leveling Bolt

  10. Lifting Loop

  11. Median Reinforcing Splicers

  12. Anchorage Zone Spirals

  13. Deck Panels

  14. Post-Tensioning

  15. Stud Pockets

  16. Construct End of Floor Section

  17. Class HPC-O PCC Overlay

  18. Closure Pour Detail

  19. Precast Approach Slab Layout 3 spa. @ 20.0' 25.0' 2 spa. @ 14' 6 spa. @ 2.0' Longitudinal PT (1 - 0.6" dia. strands) Transverse PT (1 - 0.6" dia. strands)

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