CONSTRUCTION OF SHIPS Prof. Mustafa İNSEL Assis. Prof. Şebnem HELVACIOĞLU GEM111E

Ship on a wave

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 matel 1. Ultimate strength 2. Yield strength 3. Proportional limit stress 4. Fracture

Creep

Fatigue

Structural strength

Main ship parts ER AFT FORE

Longitudinal framing

Transverse framing

Typical cargo hold of a bulk carrier

Fore ship

Fore and bolbous bow structure

Longitudinal bow section

Fore ship

Longitudinal aft section

Aft end structure

Aft ship

Engine room

A section from engine room

Deck construction

Ro-Ro vessel

Deck-double hull-double bottom

Bilge

DB of a container

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