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If δ is the angle of surface friction, then frictional resistance Fi is ___________

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in Geotechnical Engineering II by (93.7k points)
If δ is the angle of surface friction, then frictional resistance Fi is ___________

(a) Fi=γzi tanδ*surface area of reinforcement

(b) Fi=γzi cosδ

(c) Fi=γzi sinδ*surface area of reinforcement

(d) Fi=γzi cotδ*surface area of reinforcement

I got this question in an interview.

This key question is from Geotextiles in division Reinforced Earth and Geotextiles of Geotechnical Engineering II

1 Answer

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by (243k points)
Right answer is (a) Fi=γzi tanδ*surface area of reinforcement

Explanation: The frictional resistance of the reinforcement is,

Fi=Ti F, if δ is the angle of surface friction, then,

Fi=γzi tanδ*surface area of reinforcement.

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