*13-44. Since concrete can support little or no tension, this problem can be avoided by using wires ar rods to pre- stress the concrete once it is formed. Consider the simply supported beam shown, which has a rectangular cross sec- tion af 450 mm by 300 mm. If concrete has a specific weight af 24 kN/m determine the required tension in rod AB, which runs through the beam so that no tensile stress is developed in the concrete at its center section a-a Neglect the size of the rod and any deflection of the beam. 13-45. Solve Prob. 13-44 if the rod has a diameter of 12 mm. Use the transformed area method discussed in Sec. 6.6. E = 200 GPa, E, = 25GPa. 400 mm Omm 150 mm 150 n -12 m 42 m-
*13-44. Since concrete can support little or no tension, this problem can be avoided by using wires ar rods to pre- stress the concrete once it is formed. Consider the simply supported beam shown, which has a rectangular cross sec- tion af 450 mm by 300 mm. If concrete has a specific weight af 24 kN/m determine the required tension in rod AB, which runs through the beam so that no tensile stress is developed in the concrete at its center section a-a Neglect the size of the rod and any deflection of the beam. 13-45. Solve Prob. 13-44 if the rod has a diameter of 12 mm. Use the transformed area method discussed in Sec. 6.6. E = 200 GPa, E, = 25GPa. 400 mm Omm 150 mm 150 n -12 m 42 m-
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![*13-44. Since concrete can support little or no tension,
this problem can be avoided by using wires ar rods to pre-
stress the concrete once it is formed. Consider the simply
supported beam shown, which has a rectangular cross sec-
tion af 450 mm by 300 mm. If concrete has a specific weight
af 24 kN/m determine the required tension in rod AB,
which runs through the beam so that no tensile stress is
developed in the concrete at its center section a-a Neglect
the size of the rod and any deflection of the beam.
13-45. Solve Prob. 13-44 if the rod has a diameter of
12 mm. Use the transformed area method discussed in
Sec. 6.6. E = 200 GPa, E, = 25GPa.
400 mm
Omm
150 mm 150 n
-12 m
42 m-](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd8f3680b-1036-4745-b563-a69727037643%2F016c7935-0867-49d0-9303-4e9f24838e3e%2Fcruril8.png&w=3840&q=75)
Transcribed Image Text:*13-44. Since concrete can support little or no tension,
this problem can be avoided by using wires ar rods to pre-
stress the concrete once it is formed. Consider the simply
supported beam shown, which has a rectangular cross sec-
tion af 450 mm by 300 mm. If concrete has a specific weight
af 24 kN/m determine the required tension in rod AB,
which runs through the beam so that no tensile stress is
developed in the concrete at its center section a-a Neglect
the size of the rod and any deflection of the beam.
13-45. Solve Prob. 13-44 if the rod has a diameter of
12 mm. Use the transformed area method discussed in
Sec. 6.6. E = 200 GPa, E, = 25GPa.
400 mm
Omm
150 mm 150 n
-12 m
42 m-
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