Exam Question

A box shaped barge of uniform construction is 80m long, 12m beam and has a light displacement of 888 tonnes. The barge is loaded to a draught of 7m in sea water of density 1025 kg/m3 with cargo evenly distributed over two ennd compartments of equal length. The empty midship compartment extends to full width and depth of the barge is bilged and the draught increases to 10m.

Determine (16)

(a) The length of the midship compartment

(b) The longitudinal still water bending moment at midships

(c) In the loaded intact condition

(d) In the new bilged condition