Lashing Calculation [PDF]

Citation preview

1. Cargo Data Cargo Type:



Gas Turbine



Weight of Cargo Factored Weight (10% added)



w W



= = =



Dimension Length (Longitudinal Direction) Breadth (Transversal Direction) Height (Vertical Direction)



l b h



= = =



14.09 6.50 7.84



m m m



LCG TCG VCG



=



13.50 0.00 6.36



m m m



76.20 21.95 4.88 2.00 2.44



m m m m (assumed) m



Distance from C.O.R Longitudinal Transversal Vertical 2. Barge Data Dimension Length Breadth Height Vessel Draf Vertical Center of Rotation



Loa B H T VCOR



=



= = = = =



417.00 ton 1.10 x 417.00 458.70 ton



3. Motion Criteria Reference: GL Noble Denton 0030/ND (Guidelines for Marine Transportation) Note: Check Table 7-1 for Default Motion Criteria Rolling Rolling Angle



θroll



Rolling Periode



troll



= = =



20.00 0.35 10.00



deg rad sec



Pitching Period



θpitch = = tpitch =



12.50 0.22 10.00



deg rad sec



Heaving Heave Acceleration Gravitation Acceleration



aheave = g =



0.20 9.81



g m/s



Pitching Pitch Angle



4. Static Force a. Static Roll Force



Horizontal Static Roll Force FrsH



=



x



COS



θroll



= 458.70 x



COS



20.00



=



W



431.04



ton



Vertical Static Roll Force FrsV



=



x



SIN



θroll



= 458.70 x



SIN



20.00



=



W



156.88



ton



b. Static Pitch Force Horizontal Static Pitch Force FpsH



=



x



COS



θpitch



= 458.70 x



COS



12.50



=



W



447.83



ton



Vertical Static Pitch Force FpsV



=



x



SIN



θpitch



= 458.70 x



SIN



12.50



=



W



99.28



ton