Anchored Sheet Pile Wall
Anchored Sheet Pile Wall
(OP)
I recently designed an anchored sheet pile wall for a construction contractor. The trench is 20'deep and 12' wide. My design called for the anchor rods to be 1 and 1/2 inch diam.steel rods at 10' spacing. Each rod was subject to approx. 50,000 lbs tension based on my calculations. The contractor recently requested that he be able to use galvanized cable
(5/8" diameter) since he has lots of it from a previous job. I personally don't like the idea due to fastening issues but wanted to hear from others in the group. I greatly appreciate the opinions on this website.
Thanks to all
(5/8" diameter) since he has lots of it from a previous job. I personally don't like the idea due to fastening issues but wanted to hear from others in the group. I greatly appreciate the opinions on this website.
Thanks to all





RE: Anchored Sheet Pile Wall
To me, this does not sound like a wise thing to do in this situation.
There are many kinds of wire rope, here is a link for some good background information
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www.SlideRuleEra.net
RE: Anchored Sheet Pile Wall
I do a lot of work with post-tensioning strands for ground anchors. I don't know of any good way for the contractor to use his galvanized cables.
At only 20 feet deep and 12 feet wide, why doesn't the contractor just cross brace the sheeting?
RE: Anchored Sheet Pile Wall
RE: Anchored Sheet Pile Wall
How long is the excavation? If it is relatively short, you could install a waler with corner braces. This leaves the center of the excavation open for the machine but eliminates the anchors.
RE: Anchored Sheet Pile Wall
RE: Anchored Sheet Pile Wall
RE: Anchored Sheet Pile Wall
As for the tiebacks, you could either use a few relatively high strength/load anchors as you originally indicated or you could use a large number of low strength/load anchors. If you or the contractor want the low load option, you may want to use deadmen instead of drilled in anchors. Install the deaden well out of the active zone and run as many of the cables as needed between the wall and deadmen. As I recall in the one I have done like this the deadmen were constructed as a trench 5 or so feet below grade. The cables are attached at the resultant location of the deadman and to a waler on the inside of the wall. The connections have to be carefully designed and thought out, but it can be done.
RE: Anchored Sheet Pile Wall
RE: Anchored Sheet Pile Wall
RE: Anchored Sheet Pile Wall
The anchor rod is 3' below grade. The anchor rods are spaced at 10'and I have told the contractor I will not accept cable as a tie back alternative to the rod (which he did not like, of course) since he told me finding large diameter rod was a pain in the ___)
RE: Anchored Sheet Pile Wall
Good Luck!
RE: Anchored Sheet Pile Wall
RE: Anchored Sheet Pile Wall
http:
I expect that paying for them is his real problem, as DRC1 stated.
www.SlideRuleEra.net
RE: Anchored Sheet Pile Wall