Pyramidal Razor Wire Fence shall be produced according to GBT standard or ASTM F 1379, ASTM F 1910. it often used for border security fence .
Pyramidal razor wire fence material:
Concertina bared wire rolls/coils. The following photos are the Blade Styles for your choice.
Detailed specification of razor wire :
Detailed specification of razor wire :
Main strip( tape)
Strip (tape) thickness | 0.5 (±0.05) mm |
Strip (tape) width | 15 (±2) mm |
Strip (tape) material | galvanized steel strip |
Strip (tape) tensile strength | 270-500 N/mm2 |
Reinforcing core wire
Wire dia. | 2.5 (±0.1) mm |
Wire material | High tensile heavily hot dip galvanized |
Wire tensile strength, minimum | 1350 -1500 N/mm2 |
Concertina (razor) clips
Clips thickness | 1,4 mm |
Material | Hot galvanized |
The steps for install the pyramidal razor wire fence
1. First lay out and install pickets from left to right (facing the enemy). Put the long pickets five paces apart, and the short (anchor) pickets two paces from the end of the long pickets. The enemy and friendly picket rows are offset and are placed 3 feet apart.
2. Now lay out all rolls of concertina. Place a roll in front of the third picket on the enemy side, and two rolls to the rear of the third picket on the friendly side. Repeat this step for every fourth picket thereafter. 3. Install the front row concertina and horizontal wire. Place the concertina over the pickets.
4. Install the rear row of concertina and horizontal wire.
5. Install the top row of concertina and join the rear horizontal wire.
For example, the material and labor requirements for a 300-meter pyramidal razor wire fence are—
For example, the material and labor requirements for a 300-meter pyramidal razor wire fence are—
* | Long pickets--160 | * | Short pickets--4 |
* | Barbed wire, 400-meter reels--3 | * | Staples--317 |
* | Rolls of concertina razor wire--59 | * | Man-hours to install--30 |
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