Required section modulus of a longitudinal stiffener under lateral pressure - Z = c·s·l²·p/σ.
Formula
$$ Z_{req} = \frac{c \cdot s \cdot l^2 \cdot p}{\sigma} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $s$ | Stiffener spacing | m | GA |
| $l$ | Effective span | m | frame spacing |
| $p$ | Design pressure | kN/m² | rule pressure head |
| $c$ | End-fixity factor | - | CSR Table |
Sources
- IACS CSR-BC/OT.