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The thin-walled box section beam ABCD shown in Fig. P.11.13 is attached at each end to supports which allow rotation of the ends of the beam in the longitudinal vertical plane of symmetry but prevent rotation of the ends in vertical planes perpendicular to the longitudinal axis of the beam. The beam is subjected to a uniform torque loading of 20 Nm/mm over the portion BC of its span. Calculate the maximum shear stress in the cross section of the beam and the distribution of angle of twist along its length; G=70 000 N/mm². Ans. 71.4 N/mm², Og = 0c = 0.36°, 0 at mid-span = 0.72°. %3D

The thin-walled box section beam ABCD shown in Fig. P.11.13 is attached at each end to supports which allow rotation of the ends of the beam in the longitudinal vertical plane of symmetry but prevent rotation of the ends in vertical planes perpendicular to the longitudinal axis of the beam. The beam is subjected to a uniform torque loading of 20 Nm/mm over the portion BC of its span. Calculate the maximum shear stress in the cross section of the beam and the distribution of angle of twist along its length; G=70 000 N/mm². Ans. 71.4 N/mm², Og = 0c = 0.36°, 0 at mid-span = 0.72°. %3D

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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3 The thin-walled box section beam ABCD shown in Fig. P.11.13 is attached at each end to which allow rotation of the ends of the beam in the longitudinal vertical plane of supports symmetry but prevent rotation of the ends in vertical planes perpendicular to the longitudinal axis of the beam. The beam is subjected to a uniform torque loading of 20 Nm/mm over the portion BC of its span. Calculate the maximum shear stress in the cross section of the beam and the distribution of angle of twist along its length; G= 70 000 N/mm². Ans. 71.4 N/mm?, Og = 0c = 0.36°, 60 at mid-span = 0.72°.
Transcribed Image Text:3 The thin-walled box section beam ABCD shown in Fig. P.11.13 is attached at each end to which allow rotation of the ends of the beam in the longitudinal vertical plane of supports symmetry but prevent rotation of the ends in vertical planes perpendicular to the longitudinal axis of the beam. The beam is subjected to a uniform torque loading of 20 Nm/mm over the portion BC of its span. Calculate the maximum shear stress in the cross section of the beam and the distribution of angle of twist along its length; G= 70 000 N/mm². Ans. 71.4 N/mm?, Og = 0c = 0.36°, 60 at mid-span = 0.72°.
4 mm 350 mm AT B 20 Nm/mm 6 mm 6 mm 4 mm 1 m 4 m 1 m 200 mm
Transcribed Image Text:4 mm 350 mm AT B 20 Nm/mm 6 mm 6 mm 4 mm 1 m 4 m 1 m 200 mm
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