The sinking caisson works by using the drag force of the soil that acts against the exterior and interior caisson walls. Excavating the soil reduces the drag force along the interior walls, allowing the caisson to sink under its own dead weight.
The sinking caisson works by using the drag force of the soil that acts against the exterior and interior caisson walls. Excavating the soil reduces the drag force along the interior walls, allowing the caisson to sink under its own dead weight.