Computer · Prestressed Concrete Structures
A concrete beam is post-tensioned by a cable carrying an initial stress of 1000 N/mm2. The slip at the jacking end is observed to be 5 mm. The modulus of elasticity of steel is 210 kN/mm2. What is the percentage loss of stress due to anchorage slip if the length of the beam is 30 m?
- 130.5%
- 20.35%
- 335%
- 43.5%✓
Correct answer
3.5%
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