Defensive barrier/ bastion is a wall that has the ability to resist explosive shock waves and they can limit the destructive effect of the explosion to a certain range. Compared with the reinforced concrete hesco bastion, it has the advantages of light weight, easy loading and unloading, recyclable and reusable. Hesco bastion uses the perfect combination of welded gabion wire and Geotextile, used as a temporary to semi-permanent levee or blast wall against explosions or small-arms.
Defensive barrier is also named sand cage, welded gabion box etc.It is a prefabricated,multi-cellularsystem, made of zinc coated steel welded mesh and lined with non-woven geotextile. Units can be extended and joined using the provided joining pins. It is easily installed using minimal manpower and commonly available equipment.
After extended, it is filled into sand, stone, then hesco barrier like a defence wall or bunker, it is widely used for military fortification and flood control.
