2009
DOI: 10.1590/s1983-41952009000400004
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Engastamento parcial de ligações viga-pilar em estruturas de concreto armado

Abstract: Neste trabalho são apresentados os resultados experimentais de ensaios em ligações viga-pilar de concreto armado realizados na Escola de Engenharia de São Carlos - USP. Os referidos resultados experimentais concentram-se nas rotações relativas entre os elementos viga e pilar, importantes para a determinação da relação momento-rotação das ligações e da caracterização do comportamento semi-rígido das mesmas. Os dados experimentais foram obtidos a partir de ensaios de ligações viga-pilar de extremidade. A influên… Show more

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Cited by 7 publications
(7 citation statements)
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“…Due to the simplicity and the good results they can provide, analytical models are the most attractive way in design procedures to consider the effects of the slippage of the beam reinforcement inside the column and the effects induced by the flexural cracks at the beam extremity on the bending deformability. Examples of these models can be found in Paultre et al [2], Sezen and Moehle [3], Sezen and Setzler [4], Kwak and Kim [5], Ferreira et al [6], Alva et al [7] and Alva and El Debs [8], the latter being emphasized in this study.…”
Section: Introductionmentioning
confidence: 74%
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“…Due to the simplicity and the good results they can provide, analytical models are the most attractive way in design procedures to consider the effects of the slippage of the beam reinforcement inside the column and the effects induced by the flexural cracks at the beam extremity on the bending deformability. Examples of these models can be found in Paultre et al [2], Sezen and Moehle [3], Sezen and Setzler [4], Kwak and Kim [5], Ferreira et al [6], Alva et al [7] and Alva and El Debs [8], the latter being emphasized in this study.…”
Section: Introductionmentioning
confidence: 74%
“…Among the analytical models that consider both portions of relative rotations -those resulting from slippage of the flexural reinforcement inside the joint and those resulting from cracking at the beam extremity -the following models can be cited: Kwak and Kim [5], Ferreira et al [6], Alva et al [7] and Alva and El Debs [8]. Kwak and Kim [5] proposed an analytical model which accounts for the effects of relative rotations by reducing the flexural stiffness along the equivalent plastic length of the beams (extremities).…”
Section: Previous Studiesmentioning
confidence: 99%
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“…Estudos na área comprovam que o comportamento real das ligações difere do que se supõe em cálculo, pois ocorrem deslizamentos da armadura, fissuras e rotações relativas que levam a uma perda de rigidez na ligação (ALVA; FERREIRA; EL DEBS, 2009).…”
Section: Introductionunclassified