Civil Engineering MCQJE Level Civil Engineering
A propped cantilever of span L carries a UDL of w/m. The reaction at the prop (simple support) is:
Strength of MaterialsStrength of MaterialsMEDIUM
Choose the correct answer
A
wL/2
B
3wL/8
C
5wL/8
D
wL/4
Correct Answer
B. 3wL/8
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Propped cantilever (fixed at left, prop at right): using compatibility — deflection at prop due to UDL = deflection due to prop reaction. R_prop = 3wL/8. Fixed end reaction = 5wL/8. Fixed end moment = wL²/8. The prop carries 3/8 of total load; fixed support carries 5/8.
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