Lower Stool - Required Thickness
Required lower-stool top-plate thickness for a bulk-carrier corrugated bulkhead - a screening sizing formula after Erika / Derbyshire.
Minimum stool plate thickness
31.0mm
Formula, assumptions, and limits
CSR-BC explicit formula with correction factors for corrugation geometry. Post-Derbyshire requirement: lower-stool must resist cargo-in-flooded-hold case without collapse.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Span of stool-top plate | m | GA drawing | |
| Cargo + water pressure | kN/m² | flood + cargo | |
| Allowable stress | N/mm² | CSR Table |