NV C-14A Reinforcing Steel Practice Questions - Nevada C-14A Reinforcing Steel Contractor Examination Exam

What is the primary purpose of the extruded plastic sheathing on an unbonded tendon?

To bond the strand to the concrete along its full length To keep the P-T coating in place, protect the strand from corrosion, and let the strand slide during stressing To replace the need for concrete cover over the tendon To increase the strand's breaking strength from 270 ksi to 300 ksi

Correct Answer:

To keep the P-T coating in place, protect the strand from corrosion, and let the strand slide during stressing

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