Ship survivability has been defined as providing the capability of a warship to “Fight Through” damage. In the design of naval combatants, providing “Fight Through” capability is often achieved with structural vulnerability reduction measures such as blast hardened bulkheads and integrated box girders. Unfortunately, the ad-hoc process of naval design has precluded the development of consistent criteria. Within this paper, the authors discuss the application criteria and survivability effectiveness of blast hardened bulkheads and integrated box girders on a midsize naval combatant and provide early stage rules for each structure’s respective application and influence within the design of future naval combatants.

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