For non destructive sliding tests

Used to perform non destructive sliding tests, to estimate the specific anchorage capacity of Swellex rock bolts.

For soft fractured ground

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

Job description

They stop the expansion of the Swellex at the collar of the drill hole.

Technical data and Ordering information

Size Description Weight (kg) Product number
Mn/Pm12 series Sleeve, length 300mm 0.5 9899 7014 54
Mn/Pm16/24 Sleeve, length 300mm 0.8 9899 7006 76