Double bottom constructions

Double bottom constructions



1 . Solid floor
2. Bracket floor
Open floor
Skeleton floor
3. Center girder
4. Side girder
5. Margin plate
6. Center strake
7. Inner bottom plating
8. Floor plate
9. Reverse frame
10 . Main frame
11 . Keel
12 . A trake
13 . Bottom plating
14 . Bilge strake
15 . Bilge keel
16 . Tank side bracket
17 . Gusset plate
18 . Gusset angle
19 . Hold frame
20 . Hold pillar
21 . Double plate
22 . Bottom ceiling
23 . Air hole
24 . Manhole
25 . Limber hole
26 . Vertical stiffener
27 . Vertical bar
28 . Strut
29 . Center bracket
30 . Bracket to margin plate
31 . Lightening hole

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