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Question
If Sb is the average bond stress on a bar of diameter d subjected to maximum stress t, the length of the embedment l is given by
;fn Sb mPpre ruko t, ds v/khu O;kl d ds ,d ckj ij vkSlr ckaM ruko gksrk gS] rks ,acseasVA dh yEckbZ blds }kjk nh tkrh gSA
A.
B.
C.
D.
Answer ( Option D)

Solution

Given: 
bond stress = Sb, stress = t, and length = l.
Bond Stress = Shear Force/ (Lever Arm * Perimeter of reinforcement).
sb = (t**d2/4))/ (l*π*d).
l = t* d/4sb.

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