Mechanical Stabilized Earth walls utilize layers of various types of reinforcements to increase the tensile properties of the soil. The reinforced prism of the wall retains the soils behind, resisting the lateral earth pressures.
The Hilfiker Welded Wire Wall is the original WWW. Steel reinforcing is for the Non-Creep wall that can stand up to Japanese Tsunamis and flooding rivers. Typical AASHTO compliance requires a 70% Base length to Wall Height ratio.
See pdf's for technical sheets and illustrations.