Design of metal deck
Design of metal deck
(OP)
I am new on this forum. Presently I am working on design on metal decks. Can anybody suggest me general guidelines for the use of metal deck?
Thanks
Thanks
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RE: Design of metal deck
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RE: Design of metal deck
RE: Design of metal deck
RE: Design of metal deck
RE: Design of metal deck
Find out the design method for the decking you are using from the manufacturer and do the design calculations yourself. If they do not have a detailed design methodology, go to someone else for your decking.
RE: Design of metal deck
SDI also publishes a Deck Diaphragm Manual. The data in this manual is backed up with full scale load tests.
RE: Design of metal deck
Have you discussed this with your insurance company? Does the SDI or the manufacturer explicitly take responsibility for the design, or is there the usual fine print stating that the final responsibility is yours?
RE: Design of metal deck
While it is prudent to evaluate the methodology from which the companies derive their values on a spot-check or documentative quality assurance effort (much the same that you would do for validating analytical software), it is not necessary to hand calculate each condition. Continuing with the software analogy, if you did this with software, it would defeat the purpose of having and using the software.
RE: Design of metal deck
Do yo go to ACI every time you use a hilti anchor? Do you go to the NDS every time you use a simpson hanger?
If you look closely, even ACI and AISC relieve themselves of liability.
RE: Design of metal deck
So you should mahke sure that the design philosophy being used to develop the tables is correct and check some random cases to make sure it has all been done properly and you are happy with the results in the table! Then you can use the table for a range of cases. As you would/should do with design software.
I will bet that 99% of consultants do neither of the above, for software or design tables! They simply blindly believe the salesman who produced the tables.
RE: Design of metal deck
I agree with Ron. Many of the materials we use every day in structural design e.g. metal deck, bar joists, purlins and girts etc. are treated as commodities and are from trusted sources. Consultants don't have the time or in many cases the resources to verify the design tables. The tables are not produced by salesmen.
RE: Design of metal deck
RE: Design of metal deck
RE: Design of metal deck
Where the engineering comes into play is knowing your loads,and paying attention to uplift, snow loads etc. and the welds/fastening required.
RE: Design of metal deck