The bearing capacity factors Nc , Nq and Nr are function of-
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A.
Width and depth of footing
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B.
Angle of internal friction of soil
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C.
Density of soil
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D.
Cohesion of soil
Correct Answer:
B. Angle of internal friction of soil
Explanation:
The bearing capacity factors (Nc, Nq, and Nγ) used in Terzaghi's bearing capacity equation are dimensionless values that depend solely on the angle of internal friction (φ) of the soil. These factors account for the soil's shear strength and the geometry of the failure surface. As the friction angle increases, these factors also increase, reflecting the soil's improved ability to support loads. Therefore, the correct answer is the angle of internal friction.
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