Engineering Centre

Hi All We have a selection of fire collars which have been cast in concrete within our building. Over the last few years, we have had issues with water penetration from the mezzanine floors (pooling and general leaks to the basement area). Will we have to replace all of the pre cast units or will they still perform even tho...

Hi, i have steel beam that is to be connected to an existing bridge wall (one of the the two in place at a portal bridge - plattrambro). In the example that i have sent you it seems that the concrete control criteria cannot be met. Is there any suggestion that you might have? Can i somehow use a larger anchorage length? Regar...

We need to provide the service life for the consultants and building control but cannot find the information on the product data sheet. I can see that it has an unlimited shelf life but we need to confirm if the service life is at least 50 years as per the specification for the building.

Can't open Profis. Getting message to try again. Please advise

Advanced baseplate calculation is not possible when stainless steel is selected. But I cannot see how you turn off the advanced base plate calculation. If I can't then i can't specify stainless steel anchors??

I am trying to establish how the concrete edge failure checks are achieved in the software. It derives many parameters Ac,v / alpha_v / ec,V and it is not clear how these are established and what anchors are involved in the edge breakout when only torsional loading is applied. If anyone can provide greater insight it would be...

Hi I am looking for some guidelines with regard to the Putty Pads used in Fire Stopping/Acoustic sealing of Back Boxes. Does the Back Box have to sit flush with the front of the plasterboard, or can it sit further back, with some board visible? If so, by how much? Can the Back Box sit some distance behind the plasterboar...

I am specifying Hilti Hit hy 200 + HIT z anchors for a galvanized plate fixing to concrete retaining wall which may become wet. Is this suitable for corosion?

what are the best bolts to fix steel base plates into concrete

Can someone clarify what Hilti Profis means by generic overlay application?