Page 133 - Failure Analysis Case Studies II

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.- * Bird rocks

Brion I
_- ---, Y.
inel Port- Rose Blanche
ISLE DE LA -> ~ Y Basques
A
13:OO
MADELEINE '?P WindSSE8
St Paul Island T> Sea state 8
0
Havre Aubert Cape
St. Lawrence Cape North

Ingonish
18:40
edge
3rd shudder
bows rose
I9:OO
Wind NW4
NOVA SCOTIA Sea state 4
SE swell
win\
Swell

Fig. 1. Course of the MV Kurdistun: 15 March 1979.

When the shuddering occurred, the ship was in a rough swell in open sea at 200 fathoms depth.
The sea-water temperature was reported as -0.7 "C, with an air temperature of -0°C.
Approximately 5 hr after the observance of the initial cracks, a further vibration and shuddering

rin$;trep) Scale: metres
carg cargo argo
tank tank tank GaiGsia
0 IO 20 30
Fracture path $

N'3W N"IW
Wash EHD,S*

Fig. 2. General details of the MV Kurdisran.