Structures
BUCKLING STRENGTH OF CYLINDRICAL LATTICE SHELLS WITH ISOGRID PURLIN WITH I-BEAMS
2023 Volume 29 Issue 71 Pages 127-131
Details
2023 Volume 29 Issue 71 Pages 127-131
Grid-purlin system composed of RHS members are known to be effective to prevent buckling of the welded beams. In this paper, the bracing rigidity of triangulation isogrid purlin is evaluated and lattice cylindrical shell composed of arcuate beams and welded grid purlins are studied. The linear, elastic, and elasto-plastic buckling strength of the roof are analyzed using FEM analyses. Their results are compared with the shell theory with continuum analogy and easy design approaches are investigated.
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