prestressed concrete beam in below Fig, is 32 ft long and has a rectangular cross section of 15 in. wide and 25 in. deep. A concentrated service load of Q = 24 kips is placed at midspan. (A) Find the required prestressing force to balance the service load using a tendon with an end eccentricity of zero. (B) Determine the prestress force if the end eccentricity of the tendon is such that no tension is allowed at the end of the beam. The self-weight of the beam can be ignored.
prestressed concrete beam in below Fig, is 32 ft long and has a rectangular cross section of 15 in. wide and 25 in. deep. A concentrated service load of Q = 24 kips is placed at midspan. (A) Find the required prestressing force to balance the service load using a tendon with an end eccentricity of zero. (B) Determine the prestress force if the end eccentricity of the tendon is such that no tension is allowed at the end of the beam. The self-weight of the beam can be ignored.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Aprestressed concrete beam in below Fig, is 32 ft long and has a rectangular cross section of 15 in. wide and 25 in. deep. A concentrated service load of Q = 24 kips is placed at midspan. (A) Find the required prestressing force to balance the service load using a tendon with an end eccentricity of zero. (B) Determine the prestress force if the end eccentricity of the tendon is such that no tension is allowed at the end of the beam. The self-weight of the beam can be ignored.
![-Solution b
Solution a
7.50"
30'-0"
3.33"](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faa4c29c5-796a-4932-8606-048e4ad9d17a%2F3f0d6067-a1ca-445b-9915-522c4bd09ff8%2F8fguhvv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:-Solution b
Solution a
7.50"
30'-0"
3.33"
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