The invention relates to a multi-strand cable (50) comprising: an inner cable layer (Cl) consisting of K=1 inner strand (Tl) having three layers (C1, C2, C3), namely an inner layer (C1) consisting of Q inner metal wires (F1), an intermediate layer (C2) and an outer layer (C3) consisting of N outer metal wires (F3); and an outer cable layer (CE) consisting of L>1 outer strands (TE) having two layers (C1', C3'), wound around the inner cable layer (Cl), namely an inner layer (C1) consisting of Q' inner metal wires (FT) and an outer layer (C3') consisting of N' outer metal wires (F3'). The cable (50) has a surface fracture energy ES > 175 N.mm-1 with ES = (I), wherein (II) is the sum of the forces at rupture for Nc wires, (III) is the sum of the total elongation of the Nc wires, Cfrag is the weakening coefficient of the cable (50), and D is the diameter of the cable (50).
TWO-LAYER MULTI-STRAND CABLE HAVING IMPROVED SURFACE FRACTURE ENERGY
2023-10-12
Patent
Electronic Resource
English
TWO-LAYER MULTI-STRAND CABLE HAVING IMPROVED SURFACE FRACTURE ENERGY
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