Apr 25, 2008 #1 PSF Structural Feb 4, 2005 16 I am designing deadmen to support a tank that will be submerged. What safety factor, if any, do I use against uplift and where is it documented?
I am designing deadmen to support a tank that will be submerged. What safety factor, if any, do I use against uplift and where is it documented?
Apr 25, 2008 #2 civilperson Structural Jan 13, 2006 2,399 Use 0.6 DL with other loads for buoyancy calcs. Assume no backfill is in place during the monsoon rain event. Upvote 0 Downvote
Use 0.6 DL with other loads for buoyancy calcs. Assume no backfill is in place during the monsoon rain event.
Apr 25, 2008 Thread starter #3 PSF Structural Feb 4, 2005 16 Is that from a code that I can refer to? Upvote 0 Downvote
Apr 25, 2008 #4 kslee1000 Civil/Environmental Jun 5, 2006 1,609 If you are perform stability analysis, check USCOE (US Corp of engineers)for suggested factors of safety. Ee used to use SF >=1 for the worst case scenario - max. ground water table while tank is empty. Upvote 0 Downvote
If you are perform stability analysis, check USCOE (US Corp of engineers)for suggested factors of safety. Ee used to use SF >=1 for the worst case scenario - max. ground water table while tank is empty.
Apr 26, 2008 1 #6 msquared48 Structural Aug 7, 2007 14,745 If you use the .6 factor instead of the .9, then a factor of safety of about 1.5 is included in your design calculations against uplift. Mike McCann MMC Engineering Upvote 0 Downvote
If you use the .6 factor instead of the .9, then a factor of safety of about 1.5 is included in your design calculations against uplift. Mike McCann MMC Engineering
May 10, 2008 #8 cbosy Geotechnical Jun 26, 2003 72 I have recommended 1.1 before provided you are very confident about the high groundwater level. Upvote 0 Downvote
