Computer · Prestressed Concrete
A change in the external moments in the elastic range of a prestressed concrete beam results in:
- 1an increase in tensile force and compressive force due to a constant lever arm
- 2behaviour purely like an unprestressed reinforced concrete section
- 3a shift of the pressure line rather than a significant change in the resultant force✓
- 4an increase in the resultant force in the beam
Correct answer
a shift of the pressure line rather than a significant change in the resultant force
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