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DEVICE FOR SETTING MOUNTAIN ANCHORS AND FOR AUTOMATIC SETTING OF MOUNTAIN ANCHORS, AND SETTING MOUNTAIN ANCHORS
DEVICE FOR SETTING MOUNTAIN ANCHORS AND FOR AUTOMATIC SETTING OF MOUNTAIN ANCHORS, AND SETTING MOUNTAIN ANCHORS
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机译:设置山地锚和自动设置山地锚以及设置山地锚的设备
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摘要
Method and device for rock bolting, wherein a tubular bolt ( 2 ) with closed cross-section is inserted and expanded for anchoring inside a bore hole ( 12 ), wherein the tubular bolt is expanded to contact in the inner portion of the bore hole, a tension element ( 3, 7, 8, 9 ) which is arranged in the outer portion of the bore hole with an inner part ( 7 ) attached to the tubular bolt ( 2 ) is pre-stressed and a settable medium is injected into the outer portion of the bore hole ( 14 ) between ( 27 ) the tension element and the wall of the bore hole and is allowed to set.
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