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Has anyone used soil nail in a vertical manner for stabilization?

Has anyone used soil nail in a vertical manner for stabilization?

Has anyone used soil nail in a vertical manner for stabilization?

(OP)
I am looking for information pertaining to soil nails installed vertically to stabilize the failure plane of a soil wedge. The project I am working on has limited access to the face of the wall because it is mostly under water.  If anyone knows if installing soil nails vertically across the failure is effective please let me know.

RE: Has anyone used soil nail in a vertical manner for stabilization?

I doubt that soil nails would be very effective in the verticle mode.  Can you install gabions?

RE: Has anyone used soil nail in a vertical manner for stabilization?

I'm not confident either.  Chameau and Hassiotis have a methodology for pinning slide planes:

Hassiotis, Sophia, Chameau, J.L. [1988] Stabilization of Slopes Using Piles, Joint Highway
Research Project, Purdue University, Report No. FHWA/IN/JHRP-84/8

Hassiotis, Sophia, Chameau, J.L., and Gunaratne, M. [1997], “A design method for stabilization
of slopes with piles”, ASCE Journal of Geotechnical and Geoenvironmental Engineering,
123, No. 4, pp. 314-323.

The problem you run into is that the bending moments in the piles get huge.

If you've got a failure plane that's rotating under a wall, you might try anchoring the wall with tie backs.

Jeff

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