Description of double-shell tank selection criteria for inspection | Zendy

E.B. Schwenk | Zendy; Katy Scott | Zendy

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Description of double-shell tank selection criteria for inspection

Author(s) -

E.B. Schwenk,

Katy Scott

Publication year - 1996

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/464061

Subject(s) - knuckle , selection (genetic algorithm) , corrosion , shell (structure) , storage tank , stress corrosion cracking , marine engineering , environmental science , engineering , cracking , waste management , structural engineering , materials science , computer science , civil engineering , composite material , artificial intelligence

Technical criteria for selecting double-shelf tanks`s (DST`s) for inspection are presented. Inspection of DST`s is planned to non-destructively determine the general condition of their inner wall and bottom knuckle. Inspection of representative tanks will provide a basis for evaluating the integrity of all the DST`s and provide a basis for estimating remaining life. The selection criteria recommended are tank age based on date-of-first fluid entry, waste temperature, corrosion inhibitor levels, deviations from normal behavior - involving sludge levels, hydrogen release and waste transfers - least waste depth fluctuation, tank steel type, other chemical species that could activate stress-corrosion cracking, and waste types

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