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kawshik9 General Sponsor
Joined: 28 Oct 2009 Posts: 16
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Posted: Sun Mar 15, 2020 5:59 am Post subject: Wind load calculation on pitched roofs of buildings |
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Dear SEFIians,
I have doubt in calculating wind load on pitched roofs of buildings, Kindly clarify my doubt.
As per Table 5 of IS 875 part-3, For wind in 90 degrees direction, Cpe coefficients are given for EG & FH regions. EG region corresponds to L/4 length of building and FH region to another L/4 length. What about another L/2 length of the building on lee ward side ? What force we should consider for another L/2 length of building in leeward side? or We need not take an wind load for this region.
Thanks and regards,
Ramakanth
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es_jayakumar General Sponsor
Joined: 24 Nov 2011 Posts: 1408 Location: Cochin
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Posted: Fri Mar 27, 2020 1:59 am Post subject: |
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In this case, you consider the wind is blowing in the reverse direction at θ = -900,ie, from bottom to top on plan. Then you can make use of the same Cpe coefficients as for EF & GH, for the bottom 2 segments each of L/4 length, in a mirror image fashion.
E S Jayakumar
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thirumalaichettiar Silver Sponsor
Joined: 26 Jan 2003 Posts: 3554
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Posted: Wed Apr 08, 2020 1:14 am Post subject: |
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Dear Er.kawshik9,
Please refer the attached PDF file for your reference. I may add more after going through my files.
Thanks,
T.RangaRajan.
Warning: Make sure you scan the downloaded attachment with updated antivirus tools before opening them. They may contain viruses. Use online scanners here and here to upload downloaded attachment to check for safety.
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Cpe VALUE FOR TRUSS ROOF.pdf |
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285.06 KB |
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INTERNAL PRESSURE AS PER IS CODE.pdf |
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EXAMPLE ROOF WIND LOAD AS PER IS 875-3.pdf |
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