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Single stair steel stringer beam at centre

 
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sarif.muhammed
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Joined: 20 Jul 2009
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PostPosted: Sun Jul 21, 2019 4:31 am    Post subject: Single stair steel stringer beam at centre Reply with quote

Dear All,

What are the precautions or checks we need to do in order to design a steel stair case with steel stringer beam at center as shown in images,

Does I section is a viable solution for this?

Thanks

Sarif



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sakumar79
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Joined: 18 Apr 2008
Posts: 681

PostPosted: Tue Jul 23, 2019 10:57 am    Post subject: Reply with quote

Dear Er Sarif,
   In addition to typical design for DL+LL, the stringer beam has to be designed for DL+Half LL assuming the half LL is fully on one side of the beam. This will result in UDT on the girder and hence ISMB sections may not be most suitable. Rectangular Tubes, Double ISMC as Box sections or a tube built up with plates may be more economical.

Hope that helps
S Arunkumar
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dgupta
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Joined: 07 Sep 2009
Posts: 32

PostPosted: Fri Jul 26, 2019 10:11 am    Post subject: Reply with quote

You may want to check for vibration as well.
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