<p><p> </p><p><figure id='attachment_1429' style='max-width:710px' class='caption aligncenter'><img class="wp-image-1429 size-full" src="https://www.geoinstitute.org/sites/default/files/geotech-tools-uploads/…; alt="Photographs of a soil nailed wall. Inset photograph shows the drilling operations. Main photograph shows the facing being completed." width="710" height="846" /><figcaption class='caption-text'> Drilled/Grouted and Hollow Bar Soil Nailing. Photograph courtesy of FHWA</figcaption></figure></p><p>Steel reinforcements, or nails, are installed in regular patterns to provide reinforcement to soils for lateral earth retention. The nails are drilled and grouted into the soils. Advantages include rapid installation, wall flexibility, reduced right-of-way needs, and relatively lower cost than other slope protection techniques. This technique is applicable for embankment widening.</p><p>