OCIMF_Mooring_Equipment_Guidelines_(Second_Edition)

1

OPEN I ~

F, F, F,

t

.::

1

P

P

DECK

CASE A

INDIVIDUAL END FRAMES

F, = F2 = Fa = F.: = P x h

2a

CASE B

CONNECTED END FRAMES

t

CLOSED

_.--L-~ ~I •

R, R2

NOTE THAT DECK REACTIONS ARE MUCH SMALLER

IN CASE B AND ALSO ONLY TWO LOCATIONS

NEED TO BE REINFORCED BELOW DECK.

FIGURE 5.4: DECK REACTIONS WITH TWO TYPES OF UNIVERSAL FAIRLEADS

with stiffening. below the de.ck. Doublers are morc. suitable for small fillings, such a. eyes, since a
smaJl insert plate in a highly stre sed upper deck may lead 10 crack ini tiation due to the additional
locked-in stress created by the welding. For mooring outfits on the bow and stern where the deck's
longitudinal stress is insignificant and the thickness is much less than midships, insert pla te, should
be used.