Defense barrier is made of a collapsible wire mesh container and heavy duty fabric liner, and used as a temporary to semi-permanent levee or blast wall against explosions or small-arms,it can be filled with sand, earth, gravel, aggregates, rubble, bricks, even some fine sediment, etc.
Defense barrier is widely used for military defense and flood control,and flood control in cities.
QYM-Defence barrier
Defence barrier also named as defence bastion, defense wall, 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 providedjoining pins. It is easy installed with using minimal manpower and commonly available equipment. After extended,it is filled into sand,stone,then defence barrier like a defence wall or bunker,it is widely used for military fortification and flood control.QYM FENCE is a company engaged in production and exportation of defence barrier,chain Link Fence,358 security fence,palisade fence,airport fence,temporary fence as well as other metal products.Its registered capital is RMB50,100,000(about USD7,400,000),covering a land area of 30,000 square meters.
Wire diameter
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3.85mm,4mm,5mm etc
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Mesh Size
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75mmx75mm etc
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Spring wire diameter
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3mm,4mm,5mm etc
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Panel Finish
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Hot dipped galvanized or Galfan coated
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Geotextile
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Heavy duty non-woven polypropylene, color can be white, beige-sand, olive green, etc
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Packing Wrapped with shrink film or packed in pallet
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Technical Specification for Geotextile Fabric
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Color
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Beige sand,Olive green,Grey
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Mass(g/sqm)
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250,300,350
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Tensile strength
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16kN
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Tear Strength
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0.42kN
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CBR Puncture
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3.1kN
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UV strength retention
ASTM D4355
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50% at 500hours
(5 years use life in common environment)
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70% at 500hours
(10 years use life in common environment)
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1. murs de sécurité et de défense périmétriques 2. Revain des équipages 3. Composés de l'amunition 4. Personnel et Bunkers de matériel 5. Points d'observation 6. Postes de tir défensifs 7. Points de contrôle de l'entrée 8. Postes de garde 9.Explosifs et zones de recherche de contrebande 10. Points de contrôle des voies 11.Points de contrôle de passage à niveau 12.Protectation des structures existantes 13.Assure du trafic Highway 14.
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