Defense barrier is a physical or conceptual obstacle that is put in place to protect against potential threats or attacks. Defense barriers are essential for maintaining security and protection in various contexts, whether it be military defense, physical security, or safeguarding against potential risks and threats.
It can be a structure, such as a wall or fence, that serves as a physical barrier to prevent unauthorized access or to block projectiles.
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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