Prestressed Concrete – Interview Questions for Structural Engineers 2

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1.

Pre-stressing a concrete beam primarily adds what type of stress to the section?

2.

In a fully prestressed concrete beam, how much of the cross sectional area can be considered effective?

3. Post tensioning can be used to reduce the deflection of a beam. True or False
4. Where will the stress value be greatest in the column in the image under eccentric load P?

Column with moment
5. In this method, the prestress is imparted to concrete by bear ing.
6. In this method, the prestress is introduced by bond between steel & concrete.
7. Pre-stressed concrete members usually contain what type of reinforcement?
8. Precast members are typically stressed using which method of tensioning?
9. Concrete is the most common prestressed material.
10. What type of stress is directly introduced by prestressing?

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