Gabion Boxes consist of rectangular units, fabricated from a double twisted hexagonal mesh. Filled with stones, gabions become large, flexible and permeable elements from which a broad range of structures may be built. Gabions and mattresses are widely used for hydraulic and geo- technical control such as retaining walls, riverbank protections, weirs, channel linings etc.

Gabion Boxes are divided into cells with diaphragms (usually spaced at 1 meter or 3’ intervals), whose function is to reinforce the structure. The mesh (except for the diaphragms) is reinforced on all edges with wires of a larger diameter to strengthen the gabions and facilitate the assembly and installation

Wire

Lacing and bracing wire is the wire used to assemble and join the gabion units.

Connecting wires are the internal wires used to prevent the gabions from bulging during filling.

All tests on wire must be performed prior to manufacturing the mesh. All wire should comply with ASTM A97597, style 3 coating, Galfan and PVC coated steel wire. Wire used for the manufacture of gabions and the lacing wire, shall have a maximum tensile strength of 75 000 psi (515 MPa) as per ASTM A856-03, soft temper steel.