Soil nailing is a soil reinforcement technique that involves installing steel or fiberglass nails, also called anchors or rods, into a slope or excavation. The nails are typically drilled or driven into the soil at an angle, and grout or cement is injected into the holes to bond the nails to the surrounding soil. The soil nail installation creates a reinforced soil zone that provides stability to the slope or excavation. Soil nailing is often used to support retaining walls, stabilize excavations, prevent landslides, and reinforce slopes in construction and civil engineering projects.
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