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pile design in staad

 
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azamislam
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Joined: 19 Nov 2011
Posts: 23

PostPosted: Thu Aug 06, 2015 6:09 pm    Post subject: pile design in staad Reply with quote

Hi
I am intending to evaluate the design capacity of pile in compression as well as in tension through staad modelling using modulus of sub grade reaction for spring constant in horizontal and vertical directions. I need to know that:


  •   Is it imperative to apply vertical spring constant at every point on pile or only    at tip of the pile ?    
  • What are the crucial points to check the both capacities of the pile?

  •   For horizontal spring values, full frontal area or faction of the area would        be multiplied with sub-grade reaction

  •   To control the deflection, can we double the spring value with out consulting      geo-tech engineer?  

  • In transmission line tower, how a single pile can be modeled in staad with or without cap?

  • can a beam element be represented as pile cap?       

  •    A pile tip reaction can be compared with bearing capacity of soil by dividing with pile area,
          
I would be highly obliged If any one having experience in pile modelling staad may reply my these aforementioned queries. Also enclosing staad file for the perusal

regards

AIK



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azamislam
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PostPosted: Thu Aug 13, 2015 3:33 pm    Post subject: Reply with quote

Still waiting for the response from anyone having experience in staad pile modelling


regards
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syed_A
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Joined: 22 Oct 2011
Posts: 387
Location: Hyderabad

PostPosted: Fri Aug 14, 2015 4:00 pm    Post subject: Reply with quote

Dear Er  Azamislam

Please see this link for some of your doubts, No 4 FAQ

http://communities.bentley.com/products/structural/structural_analysis___design/w/structural_analysis_and_design__wiki/2313.staad-pro-miscellaneous-faq#FAQ4

I do not have any staadpro model for pile foundation.......sorry

Regards
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azamislam
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PostPosted: Sun Aug 16, 2015 11:34 am    Post subject: Reply with quote

Thank you Syed
for your response but it is not suffice to address my very practical related queries

still need someone guide about the interpretations on these points

regards
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azamislam
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PostPosted: Sat Aug 22, 2015 3:01 am    Post subject: Reply with quote

still looking for response pl.
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azamislam
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PostPosted: Tue Sep 01, 2015 5:12 pm    Post subject: Reply with quote

........... seems no one in the forum quite able to respond

regretted
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