Nov 24, 2015 #1 steve7498 Geotechnical May 15, 2015 2 0 0 GB As for the Rankine method (where the active failure plane behind the wall = 45+phi/2), can someone please explain to me (or at least point me in the right direction) how you would derive the failure plane angle for the Coulomb method?
As for the Rankine method (where the active failure plane behind the wall = 45+phi/2), can someone please explain to me (or at least point me in the right direction) how you would derive the failure plane angle for the Coulomb method?
Nov 25, 2015 #2 Doctormo Geotechnical Jul 20, 2011 150 0 0 US NCMA Design Manual or Keystone Walls Design Manual You should be able to find one on internet. It is a monster formula. If you wanted to "derive" it then have fun with math. Upvote 0 Downvote
NCMA Design Manual or Keystone Walls Design Manual You should be able to find one on internet. It is a monster formula. If you wanted to "derive" it then have fun with math.
Dec 5, 2015 #3 killswitchengage Geotechnical Jan 5, 2015 363 0 16 DZ I should point out that active earth pressure angle is 45-phi/2 Upvote 0 Downvote
Dec 7, 2015 #4 PEinc Geotechnical Dec 2, 2002 4,079 0 36 US It depends on whether you measure for from the vertical or horizontal. http://www.PeirceEngineering.com Upvote 0 Downvote
It depends on whether you measure for from the vertical or horizontal. http://www.PeirceEngineering.com