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Topic Date User

anchor testing rig 19-Sep-2012 At 4:17:15 AM Jim Titt

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The biggest Hilti Tester at the moment is a 30kN model (HAT 28E) and you really don´t want to know the price! The other problems with the Hilti tester are the limited pull-out distance (though you can get around that) and that if something breaks the seals blow under the shock loading, we´ve been there and done that!

50kN is really a bit low for guaranteed removal of glue-ins since there are plenty which go above this, I tested some Raumer ones today for a customer and they hung on to 58kN, the typical Salewa bolts get up to 75kN and our 8mm ones 79kN. And then we do the ones that get over 100kN. Even a 12mm wedge anchor should be getting well over 50kN.
I use a smaller portable tester which pulls 80kN with a struggle and weighs 15kg all up and a bigger one which gets well over 120kN (its rated at 20 tons) which is 35kg with the load cell, an unpleasantly heavy lump to screw around with on the cliff!