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thirumalaichettiar
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Joined: 26 Jan 2003
Posts: 3549
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 Posted: Mon May 11, 2020 3:10 pm Post subject: A Doubt on the Design of Steel structure |
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Design of Steel frame:
The calsue 3.9.2 of IS 800-2007 states
When the walls, or walls and floors and/or roofs are capable of effectively transmitting all the horizontal forces directly to the foundations, the structural steel framework may be designed without considering the effect of wind or earthquake.
Can any one explain when Design of steel frame satisfying the above case will be found in practice?
T.RangaRajan.
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thirumalaichettiar
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Joined: 26 Jan 2003
Posts: 3549
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| Posted: Tue May 12, 2020 4:13 am Post subject: |
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The clause 4.5.4 Second-Order Elastic Analysis of IS 800-2007
states
that Any second-order effects of the loads acting on the structure in its deformed configuration may be neglected, provided the following are satisfied:
(a).... & (b).....
Is there any text book with an example of the second order
analysis based on the above assumptions?
Or satisfying the above conditions?
T.RangaRajan.
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Rudra Nevatia
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Joined: 26 Jan 2003
Posts: 211
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| Posted: Tue May 12, 2020 2:30 pm Post subject: A Doubt on the Design of Steel structure |
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Profiled sheets on roof and sides can be designed for diaphragm action to resist lateral loads. Please be aware that steel framework participates in diaphragm action and axial forces so induced must be combined with gravity actions.
Regards,
Rudra Nevatia
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N. Prabhakar
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Joined: 25 Apr 2009
Posts: 474
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| Posted: Fri May 15, 2020 7:09 am Post subject: |
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Dear Sefians,
Many doubts on the design of structural steel elements as per IS: 800 -2007 are well covered in the Excel Spreadsheets for STeelDesign software developed by me. Files of PowerPoint presentation on my spreadsheets are attached herewith for your information. For more details, please visit my website: www.steeldesignspreadsheets.com.
I trust you will find the above information useful.
With best wishes,
N. Prabhakar, BE CEng(I) MIStructE (UK) MIE (Ind)
Chartered Structural Engineer
Vasai (E), Pin 401 208
Mobile: 9322199254
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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STeelDesign Workshop-ppt.ppt |
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Warning: Make sure you scan the downloaded attachment with updated antivirus tools before opening them. They may contain viruses.
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