It achieves the length and strength limit of a single tapered pole. With huge bending moment resistance and excellent stability, it can reduce the number of poles, save line corridors, significantly lower the overall project cost, and has obvious economic advantages in complex terrain applications.
The root diameter is extremely large, approximately 477mm. It adopts Class D (highest level) bending moment design, with high-strength prestressed steel rods as main reinforcement and high reinforcement density. The requirements for production, transportation, and hoisting equipment are also correspondingly higher.
Used for long-span crossings of 10kV lines in areas where pole erection is difficult, such as mountainous areas, hills, and river valleys. Used as a straight pole for 35kV transmission lines. In areas with limited paths, it can be used as terminal poles and corner poles, directly replacing H-type concrete poles or small angle iron towers.
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