Vessel hull having composite skin plate provided with diaphramic inner skin for primary resistance to externally applied fluid pressure

摘要

PCT No. PCT/NO92/00139 Sec. 371 Date Jun. 28, 1994 Sec. 102(e) Date Jun. 28, 1994 PCT Filed Sep. 2, 1992 PCT Pub. No. WO93/04911 PCT Pub. Date Mar. 18, 1993.In a hull the skin plate is built up as a composite member with an outer skin, a core and an inner skin. The skin plate is placed on the framework which includes longitudinal stiffeners. The inner skin is constructed as a diaphragm element relative to the external water pressure, while the core is made as a pressure-absorbing element and the outer skin is constructed primarily as a bending stressed element. The inner skin as a diaphragm will take tensile stress and be protected against outer local stresses. The material in the core can be chosen without major requirements to be able to tolerate shearing stress. The outer skin can be dimensioned and made primarily to take local shock loads.