Attributes of Soil Nails

Question

Whether soil nail head a necessary attributes of soil nails?

Answer 1

Soil nail head is a necessary attribute of soil nails that help to prevent the active zone failure.  The active zone failure includes shallow failure in the outer part of slope in active zone and it fails by sliding and separating down the slopes and sols nails remain in the place.

Soils nail heads as well improves the mobilization of tensile resistance of soil nails and rises the factor of safety of slopes.