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HILTI Profis not allowing Anchor Layout

Posted by Connor Sutherlandabout 2 years ago
HILTI Profis not allowing Anchor Layout

I have designed the attached image using HILTI but the error keeps coming up saying the selected anchor layout and plate shape is not allowed. please can you confirm why this is and advise how to get round this error? thanks

Profis Engineering,advanced anchor plate calculation

4 Replies
Posted by Ask HILTI Teamabout 2 years ago
Hilti Verified

Thanks for the PE file it clarified a few thing in terms of what you were trying to model that I couldn't quite see from the original screen. Ok in terms of diameter of cast in anchors the software is limited to a maximum of M24 your M30 comment was what had thrown me. Now in relation to the model then whilst it is possible to use the filled hole option the design method remains under EN1992 Pt 4 which has the following restrictions in relation to the anchor arrangement whether it is cast in or post installed . I have attached a revised PE indicating what is possible with cast in but as can be seen it falls short. I also ran a 2nd check with supplementary reinforcement but again it comes in short. I'd actually be tempted to look at splitting this detail into a shear lug and using post installed anchors to accommodate the tensile load only, where you can use M30 anchors with an embedment up to 600mm and with without the supplementary reinforcement option.


Posted by Ask HILTI Teamabout 2 years ago

Thanks for your question, assuming you have your Profis Engineering set up to follow Eurocode 2 Part 4 for post installed anchor design and, within the code it stipulates the allowed anchor arrangements. Please see Section 1.2 Type of Fasteners and fastening groups and, from reviewing your screenshot you are not compliant however you should have had an option to change to SOFA / filled holes which allows for calculations as extension of EC2 PT4 for non code compliant cases. You can see when this has been selected as a 'ring' representing a filled clearance hole appears around the anchor.


1 comment on this reply
Posted by Connor Sutherlandabout 2 years ago
Thank you for your response. We have another question; our anchors are M30 cast-in-place though (we are not using either mechanically nor chemically post-installed fasteners). With the SOFA option it does not allow us to specify cast-in-place anchors. Is there any way around this?

Posted by Ask HILTI Teamabout 2 years ago

Thanks for the follow up any chance you can please upload your pe file for review? You can export you file from the software by using the floppy disc icon in your model screen to say your desktop etc and upload it from there.


Posted by Connor Sutherlandabout 2 years ago

Please find .pe file attached, thank you for your time.