Constants $C_1$ - $C_7$ of multi-layer backfill

Symbol
$C_{bq}$
Choices
ConstantValue
$C_b1$0.01417
$C_b2$0.2095
$C_b3$0.1827
$C_b4$0.9092
$C_b5$0.2822
$C_b6$1.188
$C_b7$0.2732