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*Today's Question**What is the deflection at point 2 of a structure if diagram (a) is the bending moment due to externally applied load, and (b) is the bending moment due to vertically applied virtual load at point 2? (The main bending moment diagram is obtained from equation of the form, wl*

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B) 6/EI metres

ReplyDeleteOGUNLEYE EMMANUEL

ReplyDeleteM.dM/2EI= 6 X 2/2EI = 6/EI

B) 6/EI metres

B (6/EI metres). From wl^2/2, w= 3kn/m. From wl^4/8EI, ∆= 6/EI metres

ReplyDeleteFrom diagram a) wl^2/2= 6kNm then w= 3kN/m and W= 3kN/m ×2m= 6kN

ReplyDeleteDeflection in b= WL^3/8EI = 6×2^3/8EI = 6/EI hence B) is correct.

(B) 6/EI

ReplyDeleteFrom the hint,

ReplyDeleteBending moment=wl^2/2

Hence, if BM=6KNm from diagram then

w=3KN/m.

From deflection formula fr a cantilever, ∆=wl^4/8EI

∆ = 6/EI.

Option (B) is correct

B

ReplyDeleteB

ReplyDelete

ReplyDelete• Thanks for taking the time to discuss this, I feel strongly about it and love learning more on this topic. If possible, as you gain expertise, would you mind updating your blog with more information? It is extremely helpful for me.

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