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SUPPORT CONDITION

 
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LELE AND ASSOCIATES
Wise Person
Wise Person


Joined: 17 Apr 2010
Posts: 53
PostPosted: Tue Jul 27, 2010 9:20 am    Post subject: SUPPORT CONDITION Reply with quote
DEAR SEFIANS
We are designing a residential building and the SBC of the soil is poor. Our estimate is that the SBC is approx 150Kn/sqm. We have no option other than designing isolated footings for this building, because the site is located between two existing buildings which have isolated footings.

If the SBC of the soil is poor can we design the footings only for axial loads with out transferring the moments to footings. The footings on the periphery of the building have to necessarily eccentric footings.
Comments/suggestions are welcome!
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manieck2010
SEFI Member
SEFI Member


Joined: 06 Jul 2010
Posts: 3
PostPosted: Tue Jul 27, 2010 10:48 am    Post subject: support condition Reply with quote
how can we ignore moment in footings due to eartquake if building situated in earthquake zone 4 or 5.




Regards
Manish Khandelwal
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sakumar79
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Joined: 18 Apr 2008
Posts: 74
PostPosted: Tue Jul 27, 2010 12:33 pm    Post subject: Reply with quote
I think you can ignore the moment in the footing by modelling as pinned support... No need to release moments in the column...

Arun
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rmbobde
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Joined: 20 Apr 2010
Posts: 2
PostPosted: Fri Jul 30, 2010 4:30 pm    Post subject: Reply with quote
Pl anlyze the model with pinned support, better provide ground level ( Plinth level ) beams

RM Bobde
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