Question
Download Solution PDFWestergaard's formula for vertical stress gives greater value of stress than that by the Boussinesq's formula when r/z exceeds
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFWhen r/z > 1.5
Put values in qboursineq = 3/2π Q/z2 1/[(1 + (r/z)2)5/2] and qwestergard = 1/π Q/z2 1/[(1 + 2(r/z)2)3/2
Westergaard formula for vertical stress will give greater valueof stress than that of by Boussinesq’s formula.
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