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Retention wall/slope stabily - critical point evaluation

Stefejan

Civil/Environmental
Jan 16, 2025
1
Hi people,
This is the first post on the forum, hopefully I'm in the right place.
I'd have a question regarding the stability of a slope + retention wall system.

Basically there's a cantilever wall built on the upper part of a slope. This was built decades ago on a not optimally consolidated ground, and since then it's constantly moving.
In the last 10 years there are periodical surveys to control the movements, of which I have the data.
Question is:
How can I approach the problem, to determine what's approximately the critical point of movement, after which the whole thing could collapse?

Just a few points for the context:
-The wall composed of 6 disjointed blocks which move in different ways.
-Structurally they are ok.
In some parts the wall seems to slide together with the ground. In other parts it seems to rotate on itself.
-To this date the total movement is about 30cm or something like that, it doesn't accelerate in time. Linear regression can be probably used to determine more or less the evolution of the thing.
 
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