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# Agricultural Engineering Notes | EduRev

## Agricultural Engineering : Agricultural Engineering Notes | EduRev

The document Agricultural Engineering Notes | EduRev is a part of the Agricultural Engineering Course Soil Mechanics Notes- Agricultural Engineering.
All you need of Agricultural Engineering at this link: Agricultural Engineering

Shear Resistance

Sliding between the particles during loading is a major factor for deformation of soil. The resistance that the soil offers during deformation is mainly due to the shear resistance between the particles at their contact points. Figure 9.1 shows the two particles in contact which is similar to the contact between two bodies. The normal force (N) is perpendicular the contact surface and shear force (t) is tangential force parallel to the contact surface. During sliding between two bodies, the maximum shear force can be written as:

(9.1)

where Î¼  is the coefficient of friction. In case of soil particles, the maximum shear force can be written as:

where Ã¸ is the angle in internal friction of soil.

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