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Home > Forums > Geotechnical Engineers > Activities > Earth retention engineering Forum

Factor of Safety on Laterally Loaded Pile Analysis

thread255-245445
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gre2408 (Geotechnical)
19 May 09 11:33
In analyzing laterally loaded piles, how does F.S. is applied in the design? Is F.S. applied to k value in input data for P-y analysis (e.g. LPILE) or to output values (e.g. Moment or Deflection)? In addition, how much F.S. is generally used for the analysis? Thanks!  
GeoPaveTraffic (Geotechnical)
19 May 09 13:53
I never use a factor of safety for lateral analysis.  You should make your best estimate of the k value(s) and prepare deflection versus load curves.  Give those the the designer of record and let them determine the impact on their structural system.  The concept of a factor of safety just does not apply.
BigH (Geotechnical)
19 May 09 21:32
gre2408 - you are not a newbie to the site so am surprised that you double posted.  This leads to disjointed responses.  Please keep to one post in the geotech groups - most of us read all forums in the group.  Thanks.
gre2408 (Geotechnical)
21 May 09 8:29
BigH - Sorry for double posting. Posting in here was my mistake. I was trying to get rid of this posting after another posting was on Foundation Engineering, but didn't find how to delete it. If anyone knows how to delete a posting, please let me know and I will delete it right then. Thanks!  
kslee1000 (Civil/Environmental)
22 May 09 8:55
Send an email to the site admin. to request removal with the reason "Duplicate Posting". It will respect your wish.
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