Q273 : Effects of Insulation Layer Resistivity Greater than Sub-Surface Layer Resistivity.

Question
What happens when the insulation layer in Safety has a lower resistivity than the top soil layer?


Answer
The Safety module of Output Toolbox issues a warning when the resistivity of the insulation layer is lower than that of the top soil layer. That warning states that the computations of the foot resistance might be innaccurate in this case. In this case, it is recommended to use the resistivity of the insulation layer as the sub-surface resistivity for the computation of the foot resistance. This is a conservative approximation.


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  • Created on 04/11/2000
  • Last Modified on 12/03/2004
  • Last Modified by Administrator.
  • Article has been viewed 9676 times.