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Question
A crane with two wheels per side has a capacity of 50 KN. Weight of the crane is 100 kN, weight of the trolley is 10 KN and the span is 12 m. The maximum static wheel load with hook clearance of 1.0 m from the wheel is
A.
50 kN
B.
52.5 kN
C.
55 kN
D.
60 kN
Answer ( Option B)

52.5 kN

Solution

(Trolley weight + Capacity)
Reaction of two wheels at A = RA 
Reaction per wheel 
Reaction per wheel due to self weight of crane
Total Reaction on a wheel = 27.5+ 25= 52.5 kN

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