2016
DOI: 10.1590/0100-67622016000600018
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Creep in the Fundamental Frequency and Stability of a Slender Wooden Column of Composite Section

Abstract: -Creep is a phenomenon that can occur in wooden structures since wood is a viscoelastic material. Creep may change the purely elastic parameters determined in wood characterization initial tests, as its behavior depends on the rheology of the material, even under a constant stress level. Mathematically, creep can be characterized by models in which the immediate elastic deformation is increased by a viscous deformation, resulting in a temporal function. For this reason, the calculation of the natural frequency… Show more

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Cited by 8 publications
(6 citation statements)
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“…Thus, the total stiffness takes the form in which the mathematical model used to represent the creep is introduced in the first part, via modulus of elasticity, and the second one is the geometric, that is a function of the normal force acting on the system. For further information on the concepts presented, it is suggested to observe the works [1][2][3][4][5][6][7][8].…”
Section: Discussionmentioning
confidence: 99%
“…Thus, the total stiffness takes the form in which the mathematical model used to represent the creep is introduced in the first part, via modulus of elasticity, and the second one is the geometric, that is a function of the normal force acting on the system. For further information on the concepts presented, it is suggested to observe the works [1][2][3][4][5][6][7][8].…”
Section: Discussionmentioning
confidence: 99%
“…Wahrhaftig et al (2008) evaluated a buckling critical load of bars subjected to their self-weight. Wahrhaftig et al (2016) executed a calculation of the natural frequency of vibration and the stability verification of a slender column including the reducing effects of stiffness both of axial force and creep. Wahrhaftig et al (2019) executed an analytical determination of the vibration frequencies and buckling loads of slender reinforced concrete towers.…”
Section: Literature Reviewmentioning
confidence: 99%
“…The previous solution for consideration of the viscoelastic behavior of materials was used by [10] to evaluate the stability of a slender wooden column, for example. However, it is of interest, at this moment, to make clear that the present work is a numerical approximation, which takes into account the viscoelastic behavior of the concrete by assuming a viscoelastic rheological model of three parameters or as also is known of the solid standard.…”
Section: Numerical Simulations In Engineering and Sciencementioning
confidence: 99%