Fiber-reinforced elastomeric isolators (FREIs) are generally installed in unbonded configurations. Because of the simultaneous application of axial loads and large lateral deformations, instability of these bearings is a major concern. This paper shows the results of a large series of 3D finite element analyses (FEAs) on square-shaped FREIs. The analyses aimed at obtaining easy to use design charts where the stability limits of these devices can be rapidly determined. The output of the analyses is compared to analytical results available in literature and the limitations of well-known closed form solutions are discussed.
Stability analysis of unbonded fiber reinforced isolators of square shape / Galano, S.; Losanno, D.; Calabrese, A.. - In: ENGINEERING STRUCTURES. - ISSN 0141-0296. - 245:(2021), p. 112846. [10.1016/j.engstruct.2021.112846]
Stability analysis of unbonded fiber reinforced isolators of square shape
Galano S.
Primo
;Losanno D.Secondo
;
2021
Abstract
Fiber-reinforced elastomeric isolators (FREIs) are generally installed in unbonded configurations. Because of the simultaneous application of axial loads and large lateral deformations, instability of these bearings is a major concern. This paper shows the results of a large series of 3D finite element analyses (FEAs) on square-shaped FREIs. The analyses aimed at obtaining easy to use design charts where the stability limits of these devices can be rapidly determined. The output of the analyses is compared to analytical results available in literature and the limitations of well-known closed form solutions are discussed.| File | Dimensione | Formato | |
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