UKTC Archive

Subsidence where foundations less than 300mm deep

Subject: Subsidence where foundations less than 300mm deep
From: "theapsy@xxxxxx.com"
Date: Sep 07 2020 11:04:27
Dear all,
I came across this unexpected sentence in a recent subsidence report and 
wondered what they were trying to say:
"Where vegetation is involved it produces a characteristic 'seasonal' pattern 
of foundation movement (subsidence through the summer, recovery through the 
winter); no other cause produces a similar pattern. If it is occurring - soil 
drying by vegetation must be involved, unless the foundations are less than 
300mm in depth, which in this case they are not."
Any thoughts?
Cheers

Trevor 



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