Numerical Simulation of the Stress-Strain State of Thin-Layer Rubber-Metal Vibration Absorber Elements Under Nonlinear Deformation

Bulat, A.F.; Dyrda, V. I.; Lysytsya, M. I.; Grebenyuk, S. M.

doi:10.1007/s11223-018-9982-9

Cited by 30 publications

(12 citation statements)

References 1 publication

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“…Once again, it has been confirmed that earthquake sources can be located both on the territory of the city of Almaty and outside it. Therefore, the use of seismic-insulating foundations of various types remains relevant, which will reduce seismic loads by moving the building as a solid body without deformation of the above-foundation part [10][11][12][13][14].…”

Section: Discussionmentioning

confidence: 99%

Response of the building with a stiffening core during an earthquake of February 02, 2018 in the territory of a metropolis

Lapin¹,

Yerzhanov²,

Kassenov

et al. 2020

E3S Web Conf.

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Earthquakes give rise to a significant number of problems that affect environmental, seismic, and economic risks forthelocalsand construction sites. For the first time in the last 40 years, another local zero depth earthquake was registered in the territory of the city of Almaty. In terms of intensity, this was a 3-4-point earthquake. At 100 meters from the tectonic fault, there is a 16-storey building with a stiffening core and an engineering seismometric service station. With the use of AT 1105 sensors and a PCM-8 recorder, instrumental records of accelerations in the basement and on the roof of the building were recorded, and spectral β curves were constructed. The effective duration of the seismic impact in the basement of the building was quite significant, 47-56 seconds. There is undoubtedly an increase in the intensity of local earthquakes compared to 2007-2014. It was found that at the basement level the value of the vertical component is significantly less than the horizontal one. It is assumed that the abnormally high values of acceleration in the horizontal plane are a consequence of the presence of a tectonic fault near the building. Instrumental records of acceleration (accelerograms) can be used in calculations of both the seismic resistance of an object and the assessment of environmental, social, economic, and non-economic risks.

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Section: Discussionmentioning

confidence: 99%

Response of the building with a stiffening core during an earthquake of February 02, 2018 in the territory of a metropolis

Lapin¹,

Yerzhanov²,

Kassenov

et al. 2020

E3S Web Conf.

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“…When a rubber blend is immersed in a suitable solution, the fluid molecules penetrate into the rubber network structure and swell the rubber metrics and produce affection on various properties. The swelling degree depends on the solvent affinity with the material and the crosslink density [38][39][40][41]. The main goal of this research is to determine the effect of NR rubber and carbon black type on a rubber compound and to obtain the best chemical resistance of NR/SBR blend for lining applications.…”

Section: Chemical Resistance Of Nr/sbr Rubber Blends For Surfaces Cormentioning

confidence: 99%

Chemical resistance of NR/SBR rubber blends for surfaces corrosion protection of metallic tanks in petrochemical industries

Braihi

Jawad

Kadhum

et al. 2020

Koroze a Ochrana Materialu

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In this work, a series of Natural Rubber (NR)/Styrene Butadiene Rubber (SBR) blends were formulated to protect metallic petrochemical storage tanks from corrosive media. Therefore, these blends tested against a 10% HCl solution for 72 hr at room temperature. Blends series were prepared with different ratios of NR/SBR; 25/75, 30/70, 35/65, 40/60, 45/55, 50/50, and 55/45. Three types of carbon black (N-330, N-660, and N-762) were added individually to the 45/55 blend. Hardness, tensile strength, modulus, and elongation properties were tested before and after immersion in the 10% HCl attack media. All these mechanical properties decreased after immersion action accept hardness property. Up to 45 phr NR content, the hardness increased linearly independent on immersion action, but HCl immersion gives higher hardness values. Tensile strength increased up to 40 phr NR content with and without immersion and the immersion action decreased tensile values. The highest elongation value obtained with 35/65 blend with and without immersion. The 45 phr NR content gives the higher modulus, while the lowest value obtained with the 30 phhr content. For 45/55 blend, the hardness increased as the carbon black particle size decreased and immersion action gives higher hardness values. The tensile strength decreased linearly with the carbon black surface area, while with the medium surface area, the highest modulus and lowest elongation obtained.

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“…Calculation of the rubber element was considered in [8][9][10][11]. For small deformations ( < 0.1), and with the help of the Ritz method, the authors of this work obtained an analytical dependency between compression  of cylindrical rubber layer with free (unfastened) top and bottom and the applied load:…”

Section: Calculation Of Rsbmentioning

confidence: 99%

Vibroseismic protection of heavy mining machines, buildings and structures

et al. 2019

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In the article, the authors analyze main issues of protecting buildings and structures against vibroseismic effects with the help of system of elastomeric blocks, which are characterized by high vertical stiffness, low shear stiffness, high energy dissipation and ability to center vertical load; besides, they feature high reliability with no risk of sudden failure. Results of static and dynamic tests of parametric series of elastomeric blocks used for protection of residential buildings against vibrations are presented. Design of pile with anti-vibration rubber supports is described. Calculation of elastomeric blocks under static compression is presented. Components of the stress-strain state of the thin-layer elements were investigated, and rate of the thin rubber layer compression under the action of vertically applied force was calculated. In numerical calculation, weak compressibility of rubber was simulated by moment force of the finite element for weakly compressible materials, which assumes triple approximation of displacement fields, deformation components, and volume change function. The numerical solution was obtained by the finite element method for different radius-thickness ratios in case of geometrically nonlinear elastic and viscoelastic deformation.

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Numerical Simulation of the Stress-Strain State of Thin-Layer Rubber-Metal Vibration Absorber Elements Under Nonlinear Deformation

Cited by 30 publications

References 1 publication

Response of the building with a stiffening core during an earthquake of February 02, 2018 in the territory of a metropolis

Response of the building with a stiffening core during an earthquake of February 02, 2018 in the territory of a metropolis

Chemical resistance of NR/SBR rubber blends for surfaces corrosion protection of metallic tanks in petrochemical industries

Vibroseismic protection of heavy mining machines, buildings and structures

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