A beam has the singly symmetrical thin-walled cross section shown in Fig. P.10.7. Each wall of the section is flat and has the same length, a, and thickness, 1. Determine the shear flow distribution round the section due to a vertical shear load, S, applied through the shear centre and find the distance of the shear centre from the point C. Ans. qAB =-3S,(2as^-s/2)/16a² sin a qBC =-3S,(3/2+sg/a-s/2a²)/16a sin a S.C. is 5a cos a/8 from C.

A beam has the singly symmetrical thin-walled cross section shown in Fig. P.10.7. Each wall of the section is flat and has the same length, a, and thickness, 1. Determine the shear flow distribution round the section due to a vertical shear load, S, applied through the shear centre and find the distance of the shear centre from the point C. Ans. qAB =-3S,(2as^-s/2)/16a² sin a qBC =-3S,(3/2+sg/a-s/2a²)/16a sin a S.C. is 5a cos a/8 from C.

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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Question

7 A beam has the singly symmetrical thin-walled cross section shown in Fig. P.10.7. Each wall of the
section is flat and has the same length, a, and thickness, t. Determine the shear flow distribution
round the section due to a vertical shear load, S, applied through the shear centre and find the
distance of the shear centre from the point C.
Ans. qAB = -3S,(2asa-s/2)/16a² sin a
qBC =-3S,(3/2+ $g/a=s%/2a²)/16a sin a
S.C. is 5a cos a/8 from C.

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