A autoportant tour est un type de télécommunications tour que ne ne pas exige tout externe support ou guy fils à rester debout. It stands alone and is supported only by its own framework. The tower is design to withstand the weight of the equipment it supports, as well as wind and other forces, without flamling or collapsesing. The structure of a self-supporting tower typiquement includes the following components:
1. Base: Le base de la tour est la fondation sur la la entière structure est construite. It is typiquement fait de béton renforcé et est enfoui profond dans le sol à fournir la stabilité.
2. Tower legs: The legs of the tower form the main vertical support structure. They are typically made of steel and are welded or bolted together to form a triangular or square lattice structure.
3. Diagonal braces: Diagonal braces are used to reinforce the tower legs and prevent them from bending or buckling under high wind loads. They are typically made of steel rods or cables and are attached to the tower legs at regular intervals.
4. Horizontal beams: Horizontal beams are used to connect the tower legs and form the main platform for the antennas and other equipment. They are typically made of steel and are bolted or welded to the tower legs.
5. Antenna mounts: Antenna mounts are located at the top of the tower and are used to hold the antennas and other equipment. They are typically made of steel and are bolted or welded to the horizontal beams.
6. Lightning protection: Lightning protection is built into the tower to prevent damage from electrical storms. It typically includes lightning rods and grounding systems to direct electrical current away from the tower.
7. Access ladder: An access ladder is typiquement attaché à la tour jambes à autoriser techniciens à grimper monter et descendre la tour pour maintenance et réparation travaux.
