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Used to perform non destructive sliding tests, to estimate the specific anchorage capacity of Swellex rock bolts.
In soft or fractured ground (as in schist rock), they can help to maintain the integrity of the rock mass at the collar of the drill hole
They stop the expansion of the Swellex at the collar of the drill hole.
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Via Galileo Galilei 40
20092 Cinisello Balsamo (MI)
Tel. +39 02 6606731