Behavior of Welded Steel Water-Storage Tank

The performance of a recently constructed welded steel water-storage tank, believed to be the largest of its kind in the world, is monitored for thermal and live-load (internal pressure) strains during initial filling. The experimental investigation and data are presented, along with an evaluation o...

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Bibliographic Details
Published in:Journal of structural engineering (New York, N.Y.) N.Y.), 1991-01, Vol.117 (1), p.61-79
Main Authors: James, Ray W, Raba, Gary W
Format: Article
Language:English
Subjects:
Applied sciences
Approximation
Building structure
Buildings. Public works
Constraints
Construction
Construction (buildings and works)
Design engineering
Errors
Exact sciences and technology
Fabrication
Filling
Finite element method
Internal pressure
Mathematical models
Metal structure
Shells (structural forms)
Solids
Strain
Stress concentration
Structural steels
Tanks
TECHNICAL PAPERS
Wall thickness
Water tanks
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Description
Summary:The performance of a recently constructed welded steel water-storage tank, believed to be the largest of its kind in the world, is monitored for thermal and live-load (internal pressure) strains during initial filling. The experimental investigation and data are presented, along with an evaluation of the performance of the tank. Also presented for comparison to the measured stresses are predicted hoop and meridional stress distributions for approximate theories of cylindrical shell behavior. A finite element model using axisymmetric solid elements is used to account for the effects of nonuniform wall thickness and to model base restraint. Differences in predicted and analytical stresses are discussed. Differences due to unknown base restraint are observed and explained. Other observed differences, generally indicating conservative design procedures, are not conclusively explained, but two possible explanations are presented, including residual fabrication stresses and systematic measurement errors.
ISSN:0733-9445
1943-541X
DOI:10.1061/(ASCE)0733-9445(1991)117:1(61)