Nov 26, 2012 Replies: 7 Do a cantilever retaining wall need to be below the frost depth at the toe? Click to expand...
Nov 26, 2012 #2 JAE Structural Jun 27, 2000 15,591 We usually place the bottom of the cantilever retaining wall footing below frost.
Nov 26, 2012 #3 dik Structural Apr 13, 2001 26,057 Same here... and we sometimes use insulation to minimise the excavation at the toe... Typical frost penetration in these environs is 6'... Dik
Same here... and we sometimes use insulation to minimise the excavation at the toe... Typical frost penetration in these environs is 6'... Dik
Nov 26, 2012 Thread starter #4 maneesha0702 Civil/Environmental Jun 24, 2000 45 How much of insulation is needed to decrease 3'-6" frost depth to 2'-0" i.e 1' of cover over toe and 12" thick slab.
How much of insulation is needed to decrease 3'-6" frost depth to 2'-0" i.e 1' of cover over toe and 12" thick slab.
Nov 26, 2012 #5 dik Structural Apr 13, 2001 26,057 A couple of inches and it should extend a couple of feet beyond the toe... Check with Dow-Corning... they have some info on the use of this. Dik
A couple of inches and it should extend a couple of feet beyond the toe... Check with Dow-Corning... they have some info on the use of this. Dik
Nov 27, 2012 Thread starter #6 maneesha0702 Civil/Environmental Jun 24, 2000 45 Thanks to JAE, dik for your help.
Nov 27, 2012 #7 bridgebuster Active member Jun 27, 1999 3,969 I've found these to be useful http://www.huduser.org/Publications/PDF/FPSFguide.pdf http://www.toolbase.org/Design-Cons...sign-Guide-Frost-Protected-Shallow-Foundation
I've found these to be useful http://www.huduser.org/Publications/PDF/FPSFguide.pdf http://www.toolbase.org/Design-Cons...sign-Guide-Frost-Protected-Shallow-Foundation
Nov 27, 2012 #8 SteelPE Structural Mar 9, 2006 2,759 I would also check out ASCE-32 which I thinks covers frost protection of shallow foundations.
