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- W788761760 abstract "In order to ensure the structural integrity of an offshore platform when subjected to explosion loading, the strength of the blast walls has been investigated. Since previous studies using implicit finite element codes have indicated that the walls will fail when subjected to a static load equivalent to the maximum overpressure due to the explosion, the dynamic response of the structure has been investigated using an explicit finite element code, PAM-CRASH. Dynamic effects such as the inertia of the structural members, strain rate hardening of the steel and energy absorbed by plastic deformation, which are not accounted for in an implicit analysis, are included and are demonstrated to be of significant importance. The effect of the proposed structural modifications to the protective walls, including the application of high modulus carbon fiber bonded to the support has been investigated numerically. A method has been formulated to compute the structural dynamics by coupling a detailed model for the pad of the structure expected to undergo the strongest structural deformation, to an existing ASAS-H analysis model for the remaining part of the structure. The computational results and an assessment of the protective walls including the composite reinforcement will be subjected to blast loadingmore » during a large scale test. The results from the tests will be used to validate the application of the PAM-CRASH program to the analysis of the structure. Using this approach it was not necessary to prolong the annual shutdown on the platform while major modification work was performed to the blast walls.« less" @default.
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- W788761760 date "1995-12-31" @default.
- W788761760 modified "2023-10-03" @default.
- W788761760 title "BERYL BRAVO - BLAST WALLS CONVERSION: EXPLICIT DYNAMIC FE ANALYSIS OF STEEL/CARBON FIBRE COMPOSITE WALL" @default.
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