A beam is subjected to pure torque, and its cross-section is shown in the figure. fy = 2800 kgf/cm^2, fc' = 280 kgf/cm^2. Both closed stirrups and longitudinal reinforcements are #4 steel bars, and the distance between closed stirrups is 15 cm and the net cover is 4 cm. The beam section is subjected to a design torque Tu = 3.0 tf - m. The strength reduction factor 4 is 0.75, Questions (1) Is the cross-section size of this beam appropriate? (2) Is the arrangement of torsional reinforcement in this beam section appropriate? #4 Rebar (db=1.27 cm, Ab=1.267 cm^2).
A beam is subjected to pure torque, and its cross-section is shown in the figure. fy = 2800 kgf/cm^2, fc' = 280 kgf/cm^2. Both closed stirrups and longitudinal reinforcements are #4 steel bars, and the distance between closed stirrups is 15 cm and the net cover is 4 cm. The beam section is subjected to a design torque Tu = 3.0 tf - m. The strength reduction factor 4 is 0.75, Questions (1) Is the cross-section size of this beam appropriate? (2) Is the arrangement of torsional reinforcement in this beam section appropriate? #4 Rebar (db=1.27 cm, Ab=1.267 cm^2).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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