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Drydock Block - Load per Block

Line-loading on keel blocks during docking for a ship of given displacement and LBP - screens whether blocks / cribbing design is adequate.

DrydockBlock loadCribbing
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Formula, assumptions, and limits

w=ΔLdock,Pblock=wsblockw = \frac{\Delta}{L_{dock}}, \quad P_{block} = w \cdot s_{block}
SymbolMeaningUnit
Δ\DeltaDocking displacementt
LdockL_{dock}Length supported on blocksm
sblocks_{block}Block spacingm

Source: ABS Rules for Drydocks

In short

Line-loading on keel blocks during docking for a ship of given displacement and LBP - screens whether blocks / cribbing design is adequate.

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