How Can I Improve My Footing Strength?

How Can I Improve My Footing Strength? Increasing depth of foundation. Draining the soil. Compacting the soil. Confining the soil. Replacing the poor soil. Using grouting material. Stabilizing the soil with chemicals. How do you reinforce existing footings? Underpinning. This method is used to either increase the depth of the foundation or to repair the