Stones used as filler in gabion baskets. Low Level Crossings. Rocks or stones often are used to prevent erosion from vehicle access through the bottom of a watercourse. High Stress Area Protection. Rocks or stones are used to prevent erosion in specific locations such as under tile drainage outlets, around ditch bank comers, beside drop structure inlets or on emergency spillways.
Full protection occurs right after installation.
No establishment period is required as is the case for vegetative linings. Stone has some ability to heal itself. If a stone is moved because of excessive erosive energy, often replacement stones will roll in from a higher elevation. Rocks or stones have the ability to shift or float with base or foundation movements. This eliminates any voids which may cause increased stress on the system.