Author(s): Hans L. Jessberger; Karl-Heinz Bassler
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Abstract: The new anchor system consists of an inner steel rod with a base plate which is lowered into a drilled hole. The hole is partly filled with powdered snow on top of which a steel tube is placed with a diameter equal to the hole diameter. The steel tube is closed at the bottom. By pulling the inner rod against the tube, the snow inside the hole is prestressed forming a stopper. The long-time bearing capacity and the creep deformation of this anchor system are simulated in model tests. The one-year behaviour of anchors of such type being installed near the Georg-von-Neumayer-Station in the Antarctica is reported.
Year: 1984