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Total Bearing Capacity of a Nail

The bearing capacity of the nail is determined based on the location of its intersection with a slip surface. If a nail is found completely in front of the slip surface, then it does not enter the calculation. If a nail crosses the slip surface, then its bearing capacity is determined as:

where:

x

-

nail length behind slip surface in direction of soil body

y

-

nail length in front of the slip surface

Rf

-

nail cap bearing capacity

Rt

-

nail strength against breaking

Tp

-

pull-out nail bearing capacity

Distribution of tensile force along the nail

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