Moment transfer and influence of transverse beams in interior waffle flat plate-column connections under lateral loading

Benavent Climent, Amadeo y Donaire Ávila, Jesús (2013). Moment transfer and influence of transverse beams in interior waffle flat plate-column connections under lateral loading. "Engineering Structures", v. 49 ; pp. 146-155. ISSN 0141-0296. https://doi.org/10.1016/j.engstruct.2012.10.016.

Descripción

Título: Moment transfer and influence of transverse beams in interior waffle flat plate-column connections under lateral loading
Autor/es:
  • Benavent Climent, Amadeo
  • Donaire Ávila, Jesús
Tipo de Documento: Artículo
Título de Revista/Publicación: Engineering Structures
Fecha: Abril 2013
Volumen: 49
Materias:
Palabras Clave Informales: Interior waffle flat plate–column connections; Transverse beams; Moment transfer; Seismic behavior; Non-linear finite element model
Escuela: E.T.S.I. Industriales (UPM)
Departamento: Ingeniería Mecánica
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

This paper addresses two aspects of the behavior of interior reinforced concrete waffle flat plate?column connections under lateral loads: the share of the unbalanced moment between flexure and excentric shear, and the effect of the transverse beams. A non-linear finite element model (benchmark model) was developed and calibrated with the results of quasi-static cyclic tests conducted on a 3/5 scale specimen. First, from this numerical model, the portion cv of the unbalanced moment transferred by the excentricity of shear about the centroid of the critical sections defined by Eurocode 2 (EC-2) and by ACI 318-11 was calculated and compared with the share-out prescribed by these codes. It is found that while the critical section of EC-2 is consistent with the cv provided by this code, in the case of ACI 318-11, the value assigned to cv is far below (about 50% smaller) the actual one obtained with the numerical simulations. Second, from the benchmark model, seven additional models were developed by varying the depth D of the transverse beam over the thickness h of the plate. It was found that the ductility of the connection and the effective width of the plate can respectively be increased up to 50% and 10% by raising D/h to 2 and 1.5.

Más información

ID de Registro: 26401
Identificador DC: http://oa.upm.es/26401/
Identificador OAI: oai:oa.upm.es:26401
Identificador DOI: 10.1016/j.engstruct.2012.10.016
URL Oficial: http://www.sciencedirect.com/science/article/pii/S0141029612005342#
Depositado por: Memoria Investigacion
Depositado el: 19 Ene 2015 17:46
Ultima Modificación: 01 May 2015 22:56
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