FIELD: electricity.
SUBSTANCE: prior to testing the middle of the cable sample with a length of 500-1000 m including the ends is coiled and tightly mounted in a container (tray) filled with soil. The container is mounted directly on a shaker bed platform. The sample is fixed on a platform at both sides of the shaker bed by clamps and fixed relative to the base, for example, on racks. At both ends the cable is coiled to an inner diameter of at least 20 nominal outer diameters of the cable or wound on drums with a neck diameter similar to the diameter of the coil.
EFFECT: definition of the parameters - criteria of product availability with no mechanical damage to its structure.
3 cl, 1 dwg
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