Does the topping of the hollow core and the hollow core work as one unit? how can we prove that? Is it safe to place a pergola columns ( uplift force ) on that slab?
Hi,
Your first question is very ambiguous. The simple fact is that it can be, it can't be, it could be, it shouldn't be...and so on. Depends on too many factors, standards applicable to the situation, supporting structure, loads dead and live, permanent or one time short term use,.....
Second question can be determined if pretty much an idea of what material, sizes and such is involved, the manufacturers drawings and load recommendations (especially if bolting the column is being considered) ...and so on would help no end.
Third question is fairly straight forward define all the forces then apply them to the answers to Q1 and Q2.
It could be as simple as a slightly over-sized base plate or as complex as multiple slab penetrations.
If you wish to give a bit more detail I'll endeavour to assist.
Hello Mick, Well my problem was that I don't have all of these parameters. In the normal case of a traditional slab we don't have to go through all this hustle. Proving that the topping is working 100% with the hollow core as a homogeneous slab that that the same properties is impossible since no real connection is done. Concrete is poured on top of the hollow core. the connection is done solely by bearing and friction.
To get a feel of what is happening you need to do some research and tests which wont within the scope of my current project.
thank you Mr. Mick Sedunary for your input.
No problem. It's an interesting concept which I know works, albeit on a limited scale that I have seen.
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