Shoring

Piles

Vertical supports that hold back soil during excavation

Shotcrete

Concrete sprayed at wall at high velocity so that the wall holds up

Slurry Walls

Deep reinforced concrete walls built underground to hold back soil and groundwater during excavation

Tiebacks

Anchors are drilled into the ground behind a retaining/shoring wall in place against soil pressure.

Continuous piers

A series of closely spaced drilled concrete piers that form a wall to hold back soil during excavation

Bracing

Supports that push against the walls to keep them stable

Cross lot

braces cross the excavation wall to wall