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Probabilistic maintenance planning for the tubular joints in the steel gates in the Eastern Scheldt storm surge barrier
Dijkstra, O.D.; van Manen, S.E.; Gijsbers, F.B.J. (1994). Probabilistic maintenance planning for the tubular joints in the steel gates in the Eastern Scheldt storm surge barrier. Heron 39(2): 35-63
In: Heron. Stevin-Laboratory of the Department of Civil Engineering, Delft University of Technology: Delft. ISSN 0046-7316, more

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Keywords
    Marine; Brackish water

Authors  Top 
  • Dijkstra, O.D.
  • van Manen, S.E.
  • Gijsbers, F.B.J.

Abstract
    At a late stage during the fabrication of the Eastern Scheldt storm surge barrier it was found that, due to improper control during rolling, many tubes were made of steel with a relatively coarse grain. It was therefore decided to use probabilistic methods to determine the failure probability and optimum inspection strategy. The optimum strategy was determined on economic grounds, based on a consideration of the investments, cost of inspection, cost of repair and failure costs. Safety was included as a boundary condition. The study indicated that it was necessary for fineal reasons to differentiate inspection schedules, depending on the load and type of material.

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