ON THE USE OF GENERALISED BEAM THEORY TO ASSESS THE BUCKLING BEHAVIOUR OF THIN-WALLED FRP MEMBERS DISPLAYING ARBITRARY ORTHOTROPY

Nuno Silvestre; Dinar Camotim

ON THE USE OF GENERALISED BEAM THEORY TO ASSESS THE BUCKLING BEHAVIOUR OF THIN-WALLED FRP MEMBERS DISPLAYING ARBITRARY ORTHOTROPY

Article 2001 English

Abstract

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This paper gives the formulation and illustrates the application of a generalized beam theory (GBT) developed to analyze the structural behavior of thin-walled members displaying arbitrary orthotropy. First- and second-order GBT equations are derived and physically interpreted, and the GBT equations are then used to investigate the local and global buckling behavior of FRP-lipped channel columns displaying general orthotropy.