Análise numérica da ancoragem em ligações do tipo viga-pilar de extremidade / Numerical analysis of the anchorage in the exterior beam-column connections

AUTOR(ES)
DATA DE PUBLICAÇÃO

2005

RESUMO

This work contributes to the study of anchorage of longitudinal reinforcement steel bars in connections of flexural elements in reinforced concrete buildings. Some important researches are investigated showing the advances of the subject in the last decades. An evaluation method of material’s constitutive models, steel and concrete, using the Finite Element Analysis in the software ADINA is proposed, to project verifications according to NBR 6118:2003 and MC CEB-FIP 1990 recommendations. Comparisons between numerical analysis by using a two-dimensional model of exterior beam-column connections and experimental analysis and using existing projects are made. The analysis parameters are the cracking moment and the anchored steel bar tension force in the most requested beam section, compared to the values calculated by analytical methods and/or design expressions, the maximum stresses and strains in points along to anchored steel bar of the beam longitudinal reinforcement and the influence of the normal force. The results show that the assumed simplifications and hypothesis for the numerical model conception are consistent

ASSUNTO(S)

concreto armado ligações viga-pilar de extremidade numerical analysis exterior beam-column connections reinforced concrete – anchorage and connections análise numérica concreto armado - ancoragem e ligações reinforced concrete

ACESSO AO ARTIGO

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