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Schmidt hammer: estimating sandstone compressive strength

1.0K views
Apr 26, 2023
9:18

A bit of dirtbag engineering with the Schmidt hammer, aka rebound hammer or Swiss hammer, testing sandstone. Here I try a new open source kinda method that anyone can try if they, like me, want to get an idea of the compressive strength of rock they're climbing on. For in-depth rotary hammer stuff, check out my other channel, Boltah Downunder: https://www.youtube.com/channel/UC88tUnLr3E7MqpKX344tVEA I’m completely self-funded and receive no freebies or kickbacks from tool companies. I’m just a guy who wants to know how these tools perform, and figure you do too. You can chip in here, it'll be hugely appreciated: https://paypal.me/BoltahDownunder?country.x=AU&locale.x=en_AU https://www.patreon.com/Boltah?fan_landing=true Support your local access climbing fund! Or mine: www.qldclimb.org.au Cheers! 00:00 - Intro 00:51 - What is the Schmidt hammer? 01:47 - Surface preparation 02:03 - Hammering! 03:30 - Test results 05:17 - Is this the right method to use? 07:14 - Signoff

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Schmidt hammer: estimating sandstone compressive strength | NatokHD