Prestressed Concrete Structures Practice Test 6

1. The charts proposed by Bennett are useful in dimensioning columns of ____________

2. Find prestressing force if area is 36.75mm² of eccentricity 580 given f_inf is 26.5kn/m and z_b is 99x10⁶?

3. Find force in cable using Freyssinet cables 12-8mm diameter and stressed to 1100n/mm² of eccentricity 50 and the prestressing force is given as 1000n/mm²?

4. Design cross sectional dimensions of pretensioned roof pull given that b is 0.5d?

5. Find minimum range of stresses if f_ct is 15n/mm², f_cw is 17, f_tw is zero, f_u is -1n/mm², ɳ is 0.8?

6. Which of failure is considered in the design of prestressed concrete members for the limit states of collapse?

7. The design strength of the material being known, the problem generally reduces to the determination of ____________

8. Calculate the span section cracked in flexure (M=M0) F_cp = 23.4n/mm², z_b is 99x106 and stress induced is 1000?

9. The limit state of cracking is important in the case of ____________

10. The design values of the resistance must equal or exceed the sum of ____________