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Studziński, Robert; Ciesielczyk, Katarzyna

doi:10.5604/01.3001.0013.8484

Cited by 1 publication

(4 citation statements)

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“…The one-and two-parameter models require the coefficient of spring layer reaction k, see Equations ( 1), ( 3) and ( 4). The parameter k can be obtained according to the Equation (2) [12], thus the concentrated force has to be transformed into uniformly distributed load q = F i /A F , where A F is direct loading surface which refers to the size of the failure zone, see Equation (5).…”

Section: Coefficient Of Spring Layer Reactionmentioning

confidence: 99%

“…(a) gives the following characteristic equation of the Filonenko-Borodich model, Equation (12). Note that due to the type of loading (concentrated force) the special solution of the non-homogeneous equation is ( ) = 0:…”

Section: Tensile Force T-second Parameter In Filolenko-borodich Modelmentioning

confidence: 99%

“…The general solution of the homogeneous differential equation of a form w g (x) = e rx gives the following characteristic equation of the Filonenko-Borodich model, Equation (12). Note that due to the type of loading (concentrated force) the special solution of the nonhomogeneous equation is w s (x) = 0: r 4 e rx − 4α 2 η T r 2 e rx + 4α 4 e rx = 0.…”

Section: Tensile Force T-second Parameter In Filolenko-borodich Modelmentioning

confidence: 99%

“…The load capacity of a one-sided connection subjected to static and fatigue axial tension is presented in [9,10] and [11] respectively. Recently the influence of suspended loads using blind rivets on the load capacity of the sandwich panels was presented in [12], which discusses the results of experimental tests including several levels of suspended loads and their effect on sandwich beams with a core made of polyurethane foam, mineral wool and styrofoam. The experimental and numerical investigation of the use of blind rivets with sandwich panels with PIR foam core is discussed in [13], underlining the aspect of both the facing material (laminate or steel) and the type of blind rivet (rivet with three or four folds).…”

Section: Introductionmentioning

confidence: 99%

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Analytical Models of Axially Loaded Blind Rivets Used with Sandwich Beams

Studziński

2021

Energies

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The paper presents the novel use of analytical models of a beam on an elastic foundation. The one-parameter model (Winkler model) and the two-parameter models (Filonenko-Borodich and Pasternak models) were investigated. These models were used to describe the elastic response of axially loaded blind rivets used with sandwich structures. The elastic response related to the elastic strain energy is mentioned in the paper as the resilience modulus of the connection. The databases from laboratory pull-out tests were used to verify these models. One type of blind rivet (aluminum, with three clamping arms) and one type of sandwich beam were used. The sandwich beams used in the experiments consisted of two thin-walled and stiff external facings (zinc-coated steel) and a thick, soft core (polyisocyanurate foam—PIR). In the test the sandwich beams were subjected to static, axial pull-out loading. The research provides the quantitative comparison between the laboratory experiment and the analytical solutions from models adopted for this type of connection. Additionally, the failure mechanisms, the secant stiffness at the ultimate capacity, and the strain energy capacity of the elastic foundation at failure are considered. To the author’s knowledge, this approach has not been described in the literature so far.

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Section: Coefficient Of Spring Layer Reactionmentioning

confidence: 99%

Section: Tensile Force T-second Parameter In Filolenko-borodich Modelmentioning

confidence: 99%

Section: Tensile Force T-second Parameter In Filolenko-borodich Modelmentioning

confidence: 99%