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Retaining wall remediation using soil nails and hard structural facing

Retaining wall remediation using soil nails and hard structural facing

Retaining wall remediation using soil nails and hard structural facing

(OP)
Hello, I am working on a project where soil nails will be used to improve a creeping retaining wall. The wall is constructed from blocks with a weak / degraded mortar. I have undertaken the soil nail design, but am stuck with how to spread the loads so to apply a UDL to the face of the wall as opposed to point loads that might cause structural failure. I am thinking about using wide and continuous steel plate or pre-cast RC panels with the nail head plate on the outside, but I can't use in-situ methods due to access / cost. Does anyone know of a good method for approaching this issue that is aesthetically appealing? Also, does anyone know of any good references for the design of soil nail head plates for vertical walls, everything I can find is for slopes up to 60 degrees! Thank you all, Moe

RE: Retaining wall remediation using soil nails and hard structural facing

sadmoe,

Since Soil Nails are pasive reinforcing elements you shouldn´t worry about strucural failure caused by point loads. However, it is a good idea to "activate" these nails to a few tons of tension, which can be done with a torque wrench. You should also provide a reinforced concrete pad for each nail along with a bearing plate. Upon the Soil Nails instalation, I would suggest considering a wire mesh-reinforced shotcrete facade to provide for structural support between the nails as well as for an aesthetic solution.

Regards

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