... sufficientstrength to contain the rocks used as a fill, gabions must be able tosettle, twist, and conform to channel ... and foundation shifts. In order tomeet the various needs, gabions must have the following features:· Hexagonal mesh pattern critical ... strength, permeability,economy, and landscaping. All of these features make gabions ideal for usein:· Channel Lining· Retaining Walls· Bridge Abutments· ...