1.

The thermo electric pre stressing, initial stress in tendons ranges between:

A. 500-600n/mm<sup>2</sup>
B. 200-300n/mm<sup>2</sup>
C. 100-150n/mm<sup>2</sup>
D. 600-800n/mm<sup>2</sup>
Answer» B. 200-300n/mm<sup>2</sup>


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