The impact of an Anti Ship Missile is one of the most threatening scenarios for a naval platform. The accompanying warhead detonation will endanger crew, platform and its mission. A naval engineer has various options to reduce the vulnerability of his platform design, like smart arrangement and protection. One of the most important options is to increase the blast resistance of the longitudinal subdivision i.e. watertight (WT).bulkheads and doors. This paper will address the ongoing developments on blast resistant light or moderate weight steel structures at the TNO-PML. After an introduction on the threat and the followed approach, five structural products will be elaborated for two loading levels. Two blast resistant doors and three blast resistant bulkhead concepts have been developed and validated by full-scale experiments. Although the initiation of the development of these blast resistant structures is for Naval Defence purposes, there is a highly potential spin-off for in- and external explosions for bunkers, ammunition storage facilities and for applications in the offshore industry.
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