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Terzaghi’s Bearing Capacity Factor - Ng 1

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mar2805

mar2805

Structural
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Dec 21, 2008
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Hi folks!
When using standard formula for Kp (lateral passive earth pressure) in Terzaghi formula, I cannot get an correct value for N gamma.
Egsample for 30deg, N gamma should be 19,13.
Using equation attached I get an value of 0.866
Whats wrong?
 
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I do not know where you obtained your formula for Ngamma, but the image is from terzaghi's book.
image_et7g6i.png
 
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Hello, /i have a similar question for piles,is there a formula for Nq relating to friction angle in wet soil (sand) or we should refer to the graph only.. I need a formula of Nq function of friction angle for derivation and other purposes than usual bearing capacity calculation so that's why..
 
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