{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,21]],"date-time":"2026-03-21T09:14:06Z","timestamp":1774084446460,"version":"3.50.1"},"reference-count":41,"publisher":"World Scientific Pub Co Pte Lt","issue":"13","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Str. Stab. Dyn."],"published-print":{"date-parts":[[2020,12]]},"abstract":"<jats:p>This paper reports the most recent developments concerning Generalized Beam Theory (GBT) formulations, and corresponding finite element implementations, for steel-concrete composite beams. These formulations are able to perform the following types of analysis: (i)\u00a0materially nonlinear analysis, to calculate the beam load-displacement response, up to collapse, including steel plasticity, concrete cracking\/crushing and shear lag effects, (ii)\u00a0bifurcation (linear stability) analysis, to obtain local\/distortional bifurcation loads and buckling mode shapes of beams subjected to negative (hogging) bending, accounting for shear lag and concrete cracking effects and (iii)\u00a0long-term service analysis including creep, cracking and arbitrary cross-section deformation (which includes shear lag) effects. The potential (computational efficiency and accuracy) of the proposed GBT-based finite elements is illustrated through several numerical examples. For comparison purposes, results obtained with standard finite strip and shell\/brick finite element models are provided.<\/jats:p>","DOI":"10.1142\/s0219455420410072","type":"journal-article","created":{"date-parts":[[2020,8,12]],"date-time":"2020-08-12T13:42:56Z","timestamp":1597239776000},"page":"2041007","source":"Crossref","is-referenced-by-count":11,"title":["GBT Analysis of Steel-Concrete Composite Beams: Recent Developments"],"prefix":"10.1142","volume":"20","author":[{"given":"Rodrigo","family":"Gon\u00e7alves","sequence":"first","affiliation":[{"name":"CERIS and Departamento de Engenharia Civil, Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, Caparica 2829-516, Portugal"}]},{"given":"Dinar","family":"Camotim","sequence":"additional","affiliation":[{"name":"CERIS, DECivil, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. 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