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The main objective is to establish a formula that determines, for each particular situation, if the centreline joint model may be used or if an explicit model, which although more accurate is also more complex, is required. Accordingly, in order to circumvent the need to analyze the full frame and to avoid the shortcomings of empirical procedures we derive simplified classification criteria (SCC) based on the stiffness of the joint components. By applying these SCC to a given RCBC joint, it is classified either as semi\u2010rigid, meaning that an explicit model is required, or as nominally rigid otherwise. The determination of the parameters that are required by the SCC is fully discussed. The presented example illustrates the application of the developed SSC to particular RCBC joints, showing that its results are mainly confirmed by the analysis of the full frame to which they pertain.<\/jats:p>","DOI":"10.1002\/suco.201900063","type":"journal-article","created":{"date-parts":[[2019,11,25]],"date-time":"2019-11-25T01:01:36Z","timestamp":1574643696000},"page":"1475-1496","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Simplified assessment of the need to use the explicit model of reinforced concrete beam\u2010column joints instead of the centreline model"],"prefix":"10.1002","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8062-1792","authenticated-orcid":false,"given":"Ricardo","family":"Costa","sequence":"first","affiliation":[{"name":"Department of Civil Engineering, ISISE \u2013 Institute for Sustainability and Innovation in Structural Engineering University of Coimbra  Coimbra Portugal"}]},{"given":"Paulo","family":"Provid\u00eancia","sequence":"additional","affiliation":[{"name":"University of Coimbra Department of Civil Engineering, INESC, Coimbra \u2013 Instituto de Engenharia de Sistemas e Computadores de Coimbra  Coimbra Portugal"}]},{"given":"Fernando","family":"Gomes","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering University of Coimbra  Coimbra Portugal"}]}],"member":"311","published-online":{"date-parts":[[2019,11,24]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1080\/13632460109350387"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1061\/(ASCE)0733-9445(2007)133:1(105)"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/suco.201600024"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.engstruct.2010.12.026"},{"key":"e_1_2_8_6_1","first-page":"246","volume-title":"Simulation and damage models for performance assessment of reinforced concrete beam\u2010column joints","author":"Altoontash A","year":"2004"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1139\/l99-085"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.12989\/sem.1999.7.4.413"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1193\/092616eqs159m"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/suco.201100044"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.engstruct.2017.03.066"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.engstruct.2016.03.030"},{"key":"e_1_2_8_13_1","doi-asserted-by":"crossref","unstructured":"Jaspart J.\u2010P.andK.Weynand Design of joints in steel and composite structures. 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