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HOME >> NEWS>>Barbed wire according to the standard requirements

Barbed wire according to the standard requirements

What are the requirements for the installation of the rope?

The stabbing rope should be carried out as soon as possible after the completion of the subgrade project, and the Contractor shall formulate detailed construction organization design before the construction and submit it it to the supervision engineer for examination and approval. The contractor shall, in accordance with the approved construction organization design, lay out the construction lofting according to the requirements of the drawings and the actual topography and ground features, determine the center line of the column, carry out the necessary clearance and root removal so as to build the barbed rope according to the prescribed gradient and line shape.

(2) the embedment of the column should be carried out in a piecewise manner. The columns at both ends should be buried first and then the middle pillar should be placed in the drawing line. Longitudinally, the axis of the column should be in a straight line, not uneven phenomenon; from height, the top of the column should be smooth, not uneven situation.

(3) If there is a break in a line of bayonet rope or at a road intersection, the space between the columns may be adjusted as necessary. When crossing a river, when the width of both sides of the river is less than 6 m, it should be connected with barbed wire as shown in the drawing or when the width of both sides of the river is more than 6 m, the barbed wire should be used to terminate the closed connection.

(4) When the drawings require the columns, supports or anchors to be embedded in the concrete foundation, the Contractor shall install necessary temporary cables or supports to hold the columns in place until the concrete hardens. During the maintenance of concrete, no material or components should be installed or strained on columns, cables and bracing. All columns shall be laid in line with the drawing requirements and alignment.

(5) The barbed rope with the required size and type shall be firmly installed on the hook of the column from the end of the column in the manner specified in the drawing, or the mesh shall be installed in the frame, and the connection between the frame and the column shall be firm. All nets and wires should be tight without deformation, and the installation height shall conform to the requirements of the drawings. After the installation of the rope, the foundation of the column must be finally compacted.

(6) Where a high-voltage transmission line passes through a galvanized bayonet rope, the bayonet rope shall be connected to the ground wire in accordance with the provisions of the electric power department.

(7) When the wires are parallel or close to the bayonet rope and the wires are above the bayonet rope, the ground wires should be buried at each end or at intervals not exceeding 400 m, and the grounding resistance is less than 10_ (ohm).

(8) stab rope should generally be along the terrain. Earthwork must be leveled if necessary to achieve a neat appearance. In low-lying areas, when a sudden change occurs in the vertical section of the ground can not maintain the required net height off the ground, a longer column can be used, and then pulled on multiple strands of barbed wire. The vertical clearance between barbed wires is equal to or less than 150 mm. After excavation or drilling, all columns shall be laid in the approved manner. In general, every 100m interval of the column should be on both sides of the inclined brace to ensure its stability; barbed rope in the change of direction, the column should be set up three-way inclined brace.

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  • 2021-11-01
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