Structural analysis and design of sandwich panels with cold-formed steel facings |
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Authors: | Ken P Chong John A Hartsock |
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Affiliation: | National Science Foundation, Washington, DC 20550, USA 619 Sater Lane, Edmonds, Washington 98020, USA |
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Abstract: | Superior structural efficiency, ease of erection, mass-production capabilities and thermal-insulation qualities are making sandwich panels with flat or thin-walled cold-formed steel facings and rigid foamed insulating core increasingly popular as enclosures for system buildings. In this paper the structural behavior — including flexural stresses, deflections, vibration and thermal stresses — is presented, summarizing more than two decades of research. Methods used are analytical (boundary-value approaches), numerical (finite-strip, finite-layer, finite-prism approaches) and experimental (full-scale testing). Key equations are formulated, and results by different methods are compared. Design guidelines are also suggested. |
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