Training that includes periphery compression protects sidewalks and driveways from advantage collapse from foot traffic, bikes, and other vehicles.

https://www.scribd.com/document/975379111/Professional-Secrets-How-Concrete-Companies-Assess-Soil-Before-a-Pour-158914

Training that includes boundary compressive protects bicycles, bicycles, and other types of vehicles from border collapse on sidewalks and driveways.