Distance d to calculate the resistance of three-layer backfill.

Symbol
$d_{\mathrm{T}}$
Unit
m
Formulae
$\sqrt{b_{\mathrm{T}}^{2} + s_{\mathrm{T}}^{2}}$
Related
$b_{\mathrm{T}}$
Used in
$R_{\mathrm{q21}}$
$R_{\mathrm{q31}}$
$R_{\mathrm{q33}}$