B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 11/22 (2006.01) E02D 5/76 (2006.01)
Patent
CA 2104146
ABSTRACT OF THE DISCLOSURE An arrangement for severing a tension member of a permanent soil anchor of ferromagnetic material at a predetermined location includes a coil surrounding the tension member in a tubular manner at the predetermined location, wherein the coil is mountable together with the tension member. A high temperature- resistant thermal insulation layer is provided underneath the coil and a tubular core is arranged between the high temperature- resistant layer and the tension member, so that the coil forms a primary winding and the core forms a first secondary winding and the tension member forms a second secondary winding. The tension member is severed by applying an electric current having a frequency of approximately 5 to 30 kHz and a voltage of approximately 500 to 800 V to the coil, so that the tensile strength of the tension member is reduced at the predetermined breaking point by the heat produced by induction resulting from the electric current.
Dyckerhoff & Widmann Aktiengesellschaft
Fetherstonhaugh & Co.
LandOfFree
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