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Container Lashing - Twist-Lock Load

Twist-lock / lashing-rod load under roll-plus-pitch accelerations - the CSS Code transverse-acceleration check.

LashingTwist-lockCSS Code
Transverse force
110.4kN
Formula, assumptions, and limits

Typical container twist-lock rated 210–250 kN breaking. Design load 0.3–0.5 g transverse acceleration for larger containerships. Lashing software (LashCon, MACS3) refines with actual motion response.

Symbol legend

SymbolMeaningUnitSource
Container masstVGM
Transverse accelerationgCSS Code Annex 13