I understand the scope of the code only allows anchors to be installed up to 20db. I am in a particular situation where I just need more depth. Is there another method of anchorage that I can use to achieve this for the breakout strength required?
Hi Mark,
Thank you for your question on the forum,
As you mentioned, when we consider embedment depth for more than 20db, we are out of scope of the ETA approvals and AS5216. The main concern here is whether the chemical bond will continue a predictable stress distribution when reaching embedment depths greater than 20db. This can be addressed case by case if you would like us to assist looking at your specific design, please reach out to us via this LINK
Hope this helps
Kind regards
Ask Hilti Team
Australia