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