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    Rockfall Mitigation

    Category:Security & Protection / Other Security & Protection
    Label:rockfall mitigation , gabions , gabion box
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    Anping Huilong Metal&Wire Mesh Product Co., Ltd.

    Biz MemberHe Bei - China
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    Last Online:23 Sep, 2020

    Product Description

    Rockfall Netting is wire mesh netting which is used to prevent rocks from falling onto the road, railways and other structures. The mesh is made of galvanized or PVC coated double twisted steel woven wire in acc.with ASTM A641 and EN10223-3. Because of the unraveling double twisted characteristics, the mesh can withstand huge forces and will not unravel even if the wire is broken. Rockfall protection netting with a PVC coating can be used in aggressive environments. In addition to galvanization, the steel wire is coated with a PVC layer of a nominal thickness of 0.50 mm. The technical characteristics and the resistance of the PVC to aging meet the relevant standards.

    Mild Steel Wire
    All the wires used in rockfall nets and lacing wire have the tensile strength of 2 38-48kg/mm (54,000-70,000psi) acc.to BS1052/80 and ASTM A641-97. (The figures below are of the wire prior to manufacturing mesh). The tolerances on diameter of zinc coated wire are in Table II. The elongation at break is min.12% and tested to be carried out on a sample of minimum 30cm (12 in.) long, before manufacturing the mesh. (In accordance with ASTM A370-92) Galvanisation strictly conforms to ASTM A641-97 Class III Soft Temper Coating. Zinc adherence has to be such that when the wire is wrapped around a cylindrical mandrel having 4 times the diameter of the wire, the zinc shall not flake or crack to such an extent that any flake or crack can be removed by simply rubbing with bare fingers.

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    Anping Huilong Metal&Wire Mesh Product Co., Ltd.


    Jack Cui (Director )

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