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StructuralEng, Consultant

Category: Structural Engineering

Satisfied Customers: 6743

Experience: Structural Engineer

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Need to find max load an existing second story storage deck

Customer Question

Hello need to find max load an existing second story storage deck can support. It is made out of steel I beams and braces. What will be the easiest way to get this done. I do not know the steel grade only know the I beams dimensions.

I need to calculate the max load a second story steel beam deck would support. I do not know how to get this done don't have steel beams grade , I do have the main dimensions of the beams. Or can I least find a way to know only one of the beams max load would be and take this as the base line? will this be a safe assumption?

Customer:replied 5 months ago.

I looked at some charts in internet to calculate I beams max load but nothing make sense to me.

Customer:replied 5 months ago.

The deck has 17 I beams spaced 6.25" from each other, in a 65 ft. span(deck length) by 28ft (beams length). So the whole deck is 65 X 28 Ft. Beams themselves are 7" tall; Width 8";and thickness 1/2" we have angle iron braces across the beams. All the deck is supported by vertical I beams every 13ft.

I have looked at your sketch and it is helpful. I do have some more questions for you. I can provide the allowable line load on a single beam of your choosing as this question or I can submit an additional service offer to provide the maximum allowable capacity (based on the controlling failure mode of the controlling beam) as an additional service, if you would like.

If you want the allowable line load (please note this is different than an allowable floor load), I can get that for you this morning. If you would like the allowable floor load in psf, I will submit the additional service offer for you. If you accept the offer, I will need about 4 hours once you answer all the remaining questions I will have to provide you with the capacity.

Hello, so the allowable "line load" will this be as the max load an I beam would support? vs. allowable "floor load" the whole floor would support? not sure. Could you elaborate a little bit more? What I need is the maximum load the system can support. If the I beam load can be calculated as an isolated system being this the worst case scenario then lets get the line load.

I submitted the offer for you to consider. If you accept the offer, I will provide you the allowable floor loading within 4 hours of receiving all of the information requested.

The main floor "I "beams please, one of the 17 beams I mentioned before. If you could include I brief explanation of the calculation will be greatly apreciated, Thanks again.