# Thickness from object to upper boundary of bedding layer

Thickness of the upper part of the backfill area around the cables in a multi-layer backfill arrangement.

Symbol
$s_{3}$
Unit
m$^2$
Formulae
 $H_{T} - s_{1} - s_{2}$ Paper R. de Lieto Vollaro et al. (2011) $H_{c} - s_{1} - s_{2}$ Paper R. de Lieto Vollaro et al. (2014)
Related
$H_{c}$
$s_{1}$
$s_{2}$
Used in
$R_{q11}$
$R_{q21}$
$R_{q22}$
$R_{q24}$