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Evaluation Of Strand To Grout Bond In Post-Tensioned Tendons With Corrosion Inhibiting Penetrants, Kurt Kupselaitis
Evaluation Of Strand To Grout Bond In Post-Tensioned Tendons With Corrosion Inhibiting Penetrants, Kurt Kupselaitis
USF Tampa Graduate Theses and Dissertations
Post tensioning bridges is an efficient way of construction where segments of a bridge are strung together using small diameter high strength strands. The steel strands are passed through internal and/or external ducts within the concrete segments, jacked to high levels of stress, anchored using steel wedges, and then filled with a corrosion inhibiting filler. A cementitious material called grout has been widely used for over 50 years as this filler. The Federal Highway Administration design and construction manual provides recommendations in the properly filling techniques to ensure the tendons are full of grout. Despite the level of detail the …