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Big-Scaled Tilt Test on Uplifting Behavior of Oil Storage Tanks

by Fujikazu Sakai, Kawasaki Heavy Industries Ltd, Japan,
Akira Isoe, Kawasaki Heavy Industries Ltd, Japan,



Document Type: Proceeding Paper

Part of: Seismic Engineering: Research and Practice

Abstract:

The authors conducted a series of static tilt tests using a very big model with the full similitude in order to investigate the uplifting behavior of large-scaled tanks. The model was made of aluminum alloy and has a size of 9.6m diameter and 8m height, which represents an actual tank with about 40m diameter. Of concern were behavior in case that anchor straps exist, those are, stress and deformation at each part of tank wall, bottom plate and anchor straps; behavior in case of no anchors; influences of foundation rigidity on uplifting; and influences of shell rigidity including an above roof. In this paper the realistic uplifting behavior is discussed on the basis of the experimental data, especially in cases of the unanchored tank, including the influences of the above-equiped roof and the foundations.

Subject Headings: Uplifting behavior | Storage tanks | Static tests | Rigidity | Machine foundations | Foundations | Anchors

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