FL Pre-Stress Precast Practice Questions - Florida Certified Structural Pre-Stress And Precast Specialty Contractor Examination Exam

Prestressing strand used in precast prestressed concrete members is most commonly which of the following?

7-wire, low-relaxation steel strand with a nominal diameter of 1/2 inch and an ultimate strength of 270 ksi Solid round mild steel bar with a yield strength of 60 ksi High-strength stainless steel cable with a 150 ksi ultimate Galvanized welded wire rope used for guardrails

Correct Answer:

7-wire, low-relaxation steel strand with a nominal diameter of 1/2 inch and an ultimate strength of 270 ksi

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