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advices

Choosing the steel

Poles of profiled steel are made mainly from two types of steel

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Choosing the type of galvanization

Z275 continuous hot sheet galvanization is suitable for soil with a pH between 6.5 and 8.5

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Choosing the shape

Poles are subjected to two main types of stress

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Choosing hooks or notches

They determine the quality of the linkup between the pole and the support wires

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Driving poles into the ground

It is important that pressure or blows are applied in line with the axis of the pole.

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Length of the rows

The length of the rows has very little influence on the stress to which anchor points are subjected.

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Ground holding solidity

The solidity of the way poles are held in the ground (whether profiled steel, angle iron or T section) depends more on the depth of penetration into the ground than on the size of the pole section.

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Gaps between poles

The most suitable gap is 5 m. If the gaps between poles are wider, the trellising will age faster. When the gap is wider, the poles and wires will be subjected to more stress.

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Sandy ground

In sandy soil, the poles will hold better than in clayey soil.

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Inclined poles

An inclined pole indicates that it has not been sufficiently driven into the ground.

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Types of steel

More than 60% of the steel used in the world comes from recycling

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Types of galvanization

CONTINOUS galvanization or HOT-DIP galvanization

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Oxidation of the edges

On poles that have been treated by hot continuous sheet galvanization, the rust that appears on the edges will not migrate under the zinc.

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Pole solidity

In order to increase the solidity of wooden or concrete poles, it is necessary to increase the section size. With a pole made of profiled steel, all that is needed is thicker metal.

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ADVICES
DID YOU KNOW ?
Choosing hooks or notches

They determine the quality of the linkup between the pole and the support wires
.

HOOKS: these should be large (10 mm or more), reinforced and fastened to poles made of construction quality "S" steel. They should not open under pressure from the plants and should offer appropriate resistance to the passage of harvesting machines.

TEST: grab hold of the pole in one hand and apply heavy pressure on the hook with a thumb. If the hook can be depressed easily, it is too small and/or the steel is too soft. NOTCHES: they should allow easy and efficient support of the wires.

To this end, it is preferable to select M-shaped notches rather than H-shaped ones. Z-shaped notches are to be avoided for support wires.

Notches are more suited to terrain that forms dips or swales, except in the event of accessories positioned on hooks on the poles requiring it, thereby allowing wires to be fastened to the underside.

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