IACS UR S16 - Bulk Carrier Damaged BM Allowance
Bulk-carrier damaged-hull bending-moment allowance per IACS UR S16 - critical for cargo-hold flooded design.
Damaged hogging allowance
6,250,000kN·m
Damaged sagging allowance
5,000,000kN·m
Formula, assumptions, and limits
$$M_{dam} = 1.25 \cdot M_{intact}$$
UR S16 requires BC-A bulk carriers to withstand cargo-hold flooding without loss of hull girder integrity - 25 % margin over intact allowable stresses. Derives from Erika / Derbyshire era amendments.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $M_{intact}$ | Intact allowable BM | kN·m | UR S11 |
| $M_{dam}$ | Damage condition allowable | kN·m | UR S16 |
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