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IMSBC Angle of Repose

Angle of repose test (ISO 3435 / IMSBC 9.1) for Group C cargoes - governs shifting behaviour in partially filled holds.

IMSBC
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Formula, assumptions, and limits

αrepose=arctan ⁣(hr)\alpha_\text{repose} = \arctan\!\left(\frac{h}{r}\right)
SymbolMeaningUnit
ααAngle of repose°
hhPile heightm
rrBase radiusm

Source: IMSBC Code Section 9; ISO 3435 - Angle of repose

In short

Angle of repose test (ISO 3435 / IMSBC 9.

Learn the theory Draught Survey for Bulk Cargo: Full Method