A sheath of a structural cable comprising heating components

A sheath for a structural cable of a construction work, the structural cable comprising a bundle of tendons to bear a load of the structural cable, the sheath comprising:

• an inner surface for facing the bundle of tendons;
• an outer surface to be exposed to an environment of the structural cable;
• and
• a single layer of high-density polyethylene (HDPE)-based material having a thickness extending from the inner surface to the outer surface over at least part of the length of the sheath,
• wherein heating components are embedded within a portion of the single layer having a thickness smaller than 30% of a thickness of the single layer,
• wherein the heating components are configured for receiving electrical energy and, using the electrical energy, heating at least the outer surface of the sheath so as to prevent ice, snow, rime or frost from forming thereon or remove ice, snow, rime or frost from the outer surface of the sheath.

A structural cable comprising:

• a bundle of tendons which bear a load of said structural cable, and
• a sheath receiving the bundle of tendons therein, wherein the sheath comprises:
• an inner surface for facing the bundle of tendons;
• an outer surface to be exposed to an environment of the structural cable;
• and
• a single layer of high-density polyethylene (HDPE)-based material having a thickness extending from the inner surface to the outer surface over at least part of the length of the sheath,
• wherein heating components are embedded within a portion of the single layer having a thickness smaller than 30% of a thickness of the single layer,
• wherein the heating components are configured for receiving electrical energy and, using the electrical energy, heating at least the outer surface of the sheath so as to prevent ice, snow, rime or frost from forming thereon or remove ice, snow, rime or frost from the outer surface of the sheath.

A construction work comprising:

• at least one structural cable;
• and
• a source of energy,
• wherein the structural cable comprises:
• a bundle of tendons which bear a load of said structural cable, and
• a sheath receiving the bundle of tendons therein, wherein the sheath comprises:
• an inner surface for facing the bundle of tendons;
• an outer surface to be exposed to an environment of the structural cable;
• and
• a single layer of high-density polyethylene (HDPE)-based material having a thickness extending from the inner surface to the outer surface over at least part of the length of the sheath,
• wherein heating components are embedded within a portion of the single layer having a thickness smaller than 30% of a thickness of the single layer,
• wherein the heating components are configured for receiving electrical energy and, using the electrical energy, heating at least the outer surface of the sheath so as to prevent ice, snow, rime or frost from forming thereon or remove ice, snow, rime or frost from the outer surface of the sheath,
• and wherein the source of energy is configured to provide the heating components with electrical energy to heat at least the outer surface of the sheath.