{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T13:08:15Z","timestamp":1762866495045,"version":"3.41.2"},"reference-count":36,"publisher":"Emerald","issue":"7","license":[{"start":{"date-parts":[[2014,9,30]],"date-time":"2014-09-30T00:00:00Z","timestamp":1412035200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.emerald.com\/insight\/site-policies"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2014,9,30]]},"abstract":"<jats:sec>\n               <jats:title content-type=\"abstract-heading\">Purpose<\/jats:title>\n               <jats:p> \u2013 A nonlinear finite element (FE) beam-column model for the analysis of reinforced concrete (RC) frames with due account of shear is presented in this paper. The model is an expansion of the traditional flexural fibre beam formulations to cases where multiaxial behaviour exists, being an alternative to plane and solid FE models for the nonlinear analysis of entire frame structures. The paper aims to discuss these issues. <\/jats:p>\n            <\/jats:sec>\n            <jats:sec>\n               <jats:title content-type=\"abstract-heading\">Design\/methodology\/approach<\/jats:title>\n               <jats:p> \u2013 Shear is taken into account at different levels of the numerical model: at the material level RC is simulated through a smeared cracked approach with rotating cracks; at the fibre level, an iterative procedure guarantees equilibrium between concrete and transversal reinforcement, allowing to compute the biaxial stress-strain state of each fibre; at the section level, a uniform shear stress pattern is assumed in order to estimate the internal shear stress-strain distribution; and at the element level, the Timoshenko beam theory takes into account an average rotation due to shear. <\/jats:p>\n            <\/jats:sec>\n            <jats:sec>\n               <jats:title content-type=\"abstract-heading\">Findings<\/jats:title>\n               <jats:p> \u2013 The proposed model is validated through experimental tests available in the literature, as well as through an experimental campaign carried out by the authors. The results on the response of RC elements critical to shear include displacements, strains and crack patterns and show the capabilities of the model to efficiently deal with shear effects in beam elements. <\/jats:p>\n            <\/jats:sec>\n            <jats:sec>\n               <jats:title content-type=\"abstract-heading\">Originality\/value<\/jats:title>\n               <jats:p> \u2013 A formulation for the nonlinear shear-bending interaction based on the fixed stress approach is implemented in a fibre beam model. Shear effects are accurately accounted during all the nonlinear path of the structure in a computationally efficient manner.<\/jats:p>\n            <\/jats:sec>","DOI":"10.1108\/ec-04-2013-0114","type":"journal-article","created":{"date-parts":[[2014,9,30]],"date-time":"2014-09-30T08:43:00Z","timestamp":1412066580000},"page":"1444-1483","source":"Crossref","is-referenced-by-count":18,"title":["Nonlinear analysis of RC beams using a hybrid shear-flexural fibre beam model"],"prefix":"10.1108","volume":"31","author":[{"given":"Denise","family":"Ferreira","sequence":"first","affiliation":[]},{"given":"Jes\u00fas","family":"Bair\u00e1n","sequence":"additional","affiliation":[]},{"given":"Antonio","family":"Mar\u00ed","sequence":"additional","affiliation":[]},{"given":"Rui","family":"Faria","sequence":"additional","affiliation":[]}],"member":"140","reference":[{"key":"key2020122821592559500_b1","doi-asserted-by":"crossref","unstructured":"Abdollahi, A.\n                (1996), \u201cInvestigation of objectivity in the application of the FEM to RC structures \u2013 II\u201d, Comput. Struct., Vol. 58 No. 6, pp. 1183-1211.","DOI":"10.1016\/0045-7949(95)00215-4"},{"key":"key2020122821592559500_b2","unstructured":"Bair\u00e1n, J.\n                and \n                  Mar\u00ed, A.\n                (2006), \u201cCoupled model for the non-linear analysis of anisotropic sections subjected to general 3D loading. Part 1: theoretical formulation\u201d, Comput. Struct., Vol. 84 Nos 31-32, pp. 2254-2263."},{"key":"key2020122821592559500_b3","doi-asserted-by":"crossref","unstructured":"Bair\u00e1n, J.\n                and \n                  Mar\u00ed, A.\n                (2007), \u201cShear-bending-torsion interaction in structural concrete members: a nonlinear coupled sectional approach\u201d, Arch. Comput. Methods Eng., Vol. 14 No. 3, pp. 249-278.","DOI":"10.1007\/s11831-007-9007-5"},{"key":"key2020122821592559500_b4","doi-asserted-by":"crossref","unstructured":"Bazant, Z.\n                (1983), \u201cComment on orthotropic models for concrete and geomaterials\u201d, J. Eng. Mech.-ASCE, Vol. 109 No. 3, pp. 849-865.","DOI":"10.1061\/(ASCE)0733-9399(1983)109:3(849)"},{"key":"key2020122821592559500_b5","unstructured":"Bentz, E.\n                (2000), \u201cSectional analysis of reinforced concrete members\u201d, PhD thesis, University of Toronto, Toronto."},{"key":"key2020122821592559500_b6","doi-asserted-by":"crossref","unstructured":"Borst, R.\n                (1987), \u201cComputation of post-bifurcation and post-failure behavior of strain-softening solids\u201d, Comput. 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