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non-Prestressed concrete design using strands

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Q1) How can I design load-bearing (precast) spandrel using non-prestressed strands?

(Replace regular rebars with strands.

These strands need to be pulled using 4 to 5 kips to take loads from assembly. )

Q2) How can I decide the minimum length of prestressed spandrel?

As long as it is greater than transfer length, can I expect pullout force of strands to be working?