The correct installation method can make the stadium fence more durable and achieve the desired effect.
The stadium fence installation method is as follows:
(1) Buried
The pre-buried foundation pit is first excavated. The size of the foundation pit is generally 400mm400mm500mm. Then the pillar is placed in the foundation pit. The length of the pillar is usually 40cm. 5-7 days), then install the frame to the column.
(2) Fixed chassis
The chassis is also called a flange. The chassis size is generally 150mm150mm5mm. It is welded to the underside of the column. Then the expansion screw is inserted into the hole of the flange to fix it. This installation method requires that the ground is hardened.
Stadium fence incorrect installation method:
(1) It is wrong to pull the connection slot with iron clamps. This will damage the surface protection layer of the fence mesh. Affect the service life.
(2) It is also wrong to force the net to hang up. This will loosen the mesh.
(3) It is even more impossible to enlarge the pitch. If the mesh is loose, it will be easily lost and will not be protected.
Stadium site fence installation and construction requirements
1. The protection network should be implemented as soon as possible after the subgrade project is completed; the contractor should formulate detailed construction organization design before submission to the supervision engineer for approval. The contractor shall, according to the approved construction organization design, carry out the construction and layout according to the requirements of the drawings and the actual terrain and features, set the center line of the column, carry out the necessary clearance and remove the roots so as to build a protective net according to the specified slope and line shape. .
2. The erection of the column should be carried out in sections. The two columns should be buried first, and then the middle column should be laid. Looking from the longitudinal direction, the axis of the column should be in a straight line, and there should be no uneven phenomenon; from the height point of view, the column top should be smooth and no unevenness should occur.
3. If there is a disconnection point or a road intersection in a row of protective nets, the column spacing may be adjusted appropriately according to the needs. When crossing rivers, when the width of both sides of the river does not exceed 6M, they shall be connected as shown in the drawings or with barbed wire; when the width of both sides of the river is greater than 6M, the protective net shall be terminated and closed.
4. When the drawings require the pillar, support or anchor head to be embedded in the concrete foundation, the contractor shall set up the necessary temporary cables or supports to hold the pillars in place until the concrete hardens. During the 7D of concrete health, no materials or parts should be installed or stretched on the columns, cables and supports. All columns should be laid vertically according to the requirements of drawings and lines.
5. The protective net mesh that meets the requirements for size and type shall be firmly installed at the end of the column from the end of the column to the hook of the column; or the mesh may be installed in the frame, and the frame and the column shall be connected firmly. All mesh and wire should be tight and not deformed, and its installation height should meet the requirements of the drawings. After the protective net is installed, the column foundation must be finally compacted.
6. Where the high-voltage transmission line passes through the installation protective net, the protective net shall be connected to the ground according to the regulations of the electric power department.
7. When the wires are parallel or nearly parallel to the protective net and the wires are on the protective net, the ground wire shall be buried at each end or at a distance of not more than 400M, and the grounding resistance value is less than 10Ω (ohm).
8, protective nets should generally be set along the terrain. If necessary, geo-leveling is required to achieve a neat appearance. In low-lying areas, where there is a sudden change in the vertical profile of the ground and it is not possible to maintain the required clear height from the ground, a longer column can be used and then a number of barbed wire can be pulled. The vertical clearance between barbed wires is equal to or less than 150 MM. After excavation or drilling, all columns should be laid according to the approved method. Columns should be braced on both sides of the column every 100m to ensure its stability. Where the protective net is changing direction, the column should be provided with three-way bracing.
9. The protection net on the bridge shall be installed as shown in the drawings, and shall be firmly installed on the column or support; the metal mesh shall be stretched and tensioned, and the entire structure shall not be distorted.
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