This rock anchor in the first video failed at 150 kN pull (15.3 tons) https://www.youtube.com/watch?v=Pc6OyzcZr-M&t=59s
2. This rock anchor in the second video failed at 202 kN of pull ( 20.6 tons ) https://www.youtube.com/watch?v=y0n1zdwGiKo&t=3s
3. The experiment with my own anchorage withstood a pull of 980 kN ( 100 tons ) without failing so we don't know at what pull it will fail. Note that this anchorage is mechanical, without additional epoxy grouts, which will double the adhesion and tensile strength. I must have broken the world record for anchoring at two meters deep and I don't know it. I've been trying for two months to find out what the rock compaction world record is and I can't find it. The first two videos are the strongest pulls I found. If anyone knows of rock anchors and their specifications, please help me find out what tensile strengths they can withstand placed within two meters deep in the rock
https://www.youtube.com/watch?v=XsHC9WJwgyU&t=453s
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