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Determination of the Ultimate Loads for Corrugated-Steel, Barrel-Type Shell Structures
Authors: Demetres Briassoulis; Anthony Kao; Steven Sweeney; CONSTRUCTION ENGINEERING RESEARCH LAB (ARMY) CHAMPAIGN IL |
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Abstract:
In this report, the ultimate snow and wind loads are determined for two sizes of a corrugated steel, barrel type shell building by using numerical and experimental methods. Local buckling is shown to govern the ultimate loading of these structures, through the formation of collapsing mechanisms. The critical positive and negative moment fields under which hinges are formed determine critical loads which will create the collapsing mechanisms. The lower bounds of the ultimate snow loads for the intermediate (50 ft wide by 18 ft high) and large (72 ft wide by 26 ft high) structures were found to be 35 psf and 14 psf, respectively. The ultimate wind velocities for the same intermediate and large structures were 87 to 110 mph and 60 to 74 mph, respectively. Although methods and assumptions used in the analysis are considered conservative, it does not indicate that with respect the wind loading, some existing structures may be operating at or near ultimate strength. Keywords: K Span buildings, Snow loads, Wind loads, Shells(Structural Forms).
| Description: |
Final rept. |
| Pages: |
52 |
| Report Date: |
OCT 87 |
| Report Number: |
A617781 |
Report Unavailable |
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