Design problems of anchoring of aboveground steel tanks

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Design problems of anchoring of aboveground steel tanks

Lyubomir A. Zdravkov1
Keywords: aboveground steel tank, anchor, anchor’s chair, radial deflection, stress
Research area: steel structures
SUMMARY
Aboveground steel tanks are spatial sheet structures. The loads which impact on them are self-weight,
snow, wind, earthquake, overpressure and vacuum. When the earthquake, overpressure and wind loads have
high values, it is possible that the tank overturn or going to slide. To eliminate the threat from free moving, the
steel facilities are often anchored to the foundation. This solution is not recommendable, and in standards [1]
and [2] it is positioned on the last place.
Despite the standard’s recommendations when the conditions of exploitation are strait and/or extreme, the
steel vertical tanks must be anchored. Because of it, the developing of new specific details is needed on the
purpose to minimize their unfavourable effects.

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