Reinforce Concrete: A rectangular isolated beam has a clear span of 8.0m and carries a service live load of 60KN/m and 15KN/m including its own weight. The beam has a width of 350mm and an effective depth of 700mm. It is reinforced with 6 – 28mm rebars in two rows. Total depth of the beam is 800mm with F’c = 27.6MPa, Fy = 414MPa, Fyt = 280MPa. Use sand lightweight concrete having a unit weight of 2400Kg/m3. a. Using Detailed calculation method for shear strength for concrete, determine the shear force to be resisted by the shear reinforcement at the critical section from the face of support. b. Determine the spacing of 10mm shear reinforcement required by the beam due to its load. c. Determine the point where no shear reinforcement are needed measured from the center of the beam
Reinforce Concrete: A rectangular isolated beam has a clear span of 8.0m and carries a service live load of 60KN/m and 15KN/m including its own weight. The beam has a width of 350mm and an effective depth of 700mm. It is reinforced with 6 – 28mm rebars in two rows. Total depth of the beam is 800mm with F’c = 27.6MPa, Fy = 414MPa, Fyt = 280MPa. Use sand lightweight concrete having a unit weight of 2400Kg/m3. a. Using Detailed calculation method for shear strength for concrete, determine the shear force to be resisted by the shear reinforcement at the critical section from the face of support. b. Determine the spacing of 10mm shear reinforcement required by the beam due to its load. c. Determine the point where no shear reinforcement are needed measured from the center of the beam
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Reinforce Concrete: A rectangular isolated beam has a clear span of 8.0m and carries
a service live load of 60KN/m and 15KN/m including its own
weight. The beam has a width of 350mm and an effective depth of
700mm. It is reinforced with 6 – 28mm rebars in two rows. Total
depth of the beam is 800mm with F’c = 27.6MPa, Fy = 414MPa, Fyt
= 280MPa. Use sand lightweight concrete having a unit weight of
2400Kg/m3.
a. Using Detailed calculation method for shear strength for
concrete, determine the shear force to be resisted by the shear
reinforcement at the critical section from the face of support.
b. Determine the spacing of 10mm shear reinforcement required
by the beam due to its load.
c. Determine the point where no shear reinforcement are needed
measured from the center of the beam.
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