CONSTRUCTION OF SHIPS Prof. Mustafa İNSEL Assis. Prof. Şebnem HELVACIOĞLU 2011-2012 GEM111E

CONSTRUCTION OF SHIPS

Prof. Mustafa İNSELAssis. Prof. Şebnem HELVACIOĞLU

2011-2012GEM111E

Ship on a wave

Ship in waves

Ship in waves

Ship in waves

Ship in waves

Loads on ship section

Ship profile under weight and displacement loads

Bouncy and mass distribution

Bouncy distribution weight

distribution

Structural Failure

• Tensile or compressive yield

• Compressive buckling

• Fatigue

• Brittle Fracture

• Creep

Tensile testing

Schematic appearance of round metal bars after tensile testing.

(c) Completely ductile fracture

(b) Ductile fracture

(a) Brittle fracture

Stress

Strain

Stress vs Strain

Stress vs. Strain curve typical of a matel1. Ultimate strength2. Yield strength3. Proportional limit stress4. Fracture

Creep

Fatigue

Fatigue

Structural strength

Main ship parts

ERAFTFORE

Longitudinal framing

Transverse framing

Typical cargo hold of a bulk carrier

Fore ship

Fore and bolbous bow structure

Longitudinal bow section

Fore ship

Fore ship

Fore ship

Longitudinal aft section

Aft end structure

Aft ship

Aft ship

Engine room

Engine room

Engine room

A s

ecti

on f

rom

eng

ine

room

Deck construction

Ro-Ro vessel

Dec

k-do

uble

hul

l-do

uble

bot

tom

Bilge

DB

of

a co

ntai

ner

DB structure

Shell plating

Section

Midship section of a double hull tanker

Typical transverse frame

Cargo hold section of a bulk carrier

Cargo hold section of a general cargo ship

A container ship