Non-stationary oscillations of a box-like structure of a building

Usarov, M.; Mamatisaev, G.; Yarashov, Javlon; Toshmatov, Elyor

doi:10.1088/1742-6596/1425/1/012003

Cited by 9 publications

(2 citation statements)

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“…On the basis of [12][13][14] can be obtained direct formulation of the problem. Compliance with such equivalence (variational and direct statement of the problem) enables the use of the variational approach for solving the finite element method.…”

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confidence: 99%

Influencing of land transport load on structure of backfill arched Road Bridge

et al. 2021

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In this paper, for the objective assessment of stress-strain state parameters of backfill arched road bridge, the research work is carried out, where the model of reinforced concrete, corrugated structure is exposed to modern land transport load. In the course of numerical studies, stresses and deformations in sections of structure and the soil are determined. These studies allow revealing the mechanism of operation of corrugated reinforced concrete structures in the body of an embankment of highways when passing modern transport loads along with them.

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Section: Substituting the Value Of  mentioning

confidence: 99%

Influencing of land transport load on structure of backfill arched Road Bridge

et al. 2021

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“…The model of a box-like structure of a building is improved in [8,9] taking into account forces and moments in the contact zones of beam and plate elements interaction. The equations of motion of the box-like elements, the boundary conditions in the box base and the contact conditions between the box elements are given; the graphs of plates and beams displacements are constructed.…”

Section: Introductionmentioning

confidence: 99%

Continual model and dynamic calculation of buildings under seismic impacts

2020

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Continuum plate model in the form of a cantilever anisotropic plate developed in the framework of the bimoment theory of plates describing seismic oscillations of buildings is proposed in this paper as a dynamic model of a building. Formulas for the reduced moduli of elasticity, shear and density of the plate model of a building are given. Longitudinal oscillations of a building are studied using the continuum plate and box-like models of the building with Finite Element Model. Numerical results are obtained in the form of graphs, followed by their analysis.

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Dynamics of earth dams under shock impacts

2023

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The article provides a detailed analysis of well-known studies, which allow considering the work of the structure together with the base under dynamic influences, adequate replacement of an infinite base with a finite one using non-reflecting conditions on the boundary of the finite region, well-known methods for assessing the behavior of a structure under impact. A mathematical model, method, and algorithm were developed to evaluate the dynamic behavior of earth dams together with the base under shock impact using non-reflective conditions based on Rayleigh waves on the boundaries of the finite area of the base. To simulate a dynamic process, the principle of virtual displacements is used, taking into account the viscoelastic properties of the material. The solution to the problem is conducted by the finite element method and the Newmark method. The dynamic behavior of earth dams, together with the base, is studied, considering non-reflecting conditions under explosive impacts that arise not far from the structure. It was established that during the period of wave travel, a non-synchronous movement of individual parts of the dam occurs, damped due to the wave entrainment of energy and the viscoelastic properties of the material. It was revealed that the maximum principal stresses σ1 occur in the lower part of the upper slope of the dam and gradually spread along the entire dam; the maximum principal stresses σ2 are reached near the foot of the dam and, as the wave propagates, they move along the base directly behind the wavefront; the maximum values of shear stress σ12 are reached on the surface of the upper slope, first at the foot of the dam, then over the entire surface of the slope.

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Non-stationary oscillations of a box-like structure of a building

Cited by 9 publications

References 1 publication

Influencing of land transport load on structure of backfill arched Road Bridge

Influencing of land transport load on structure of backfill arched Road Bridge

Continual model and dynamic calculation of buildings under seismic impacts

Dynamics of earth dams under shock impacts

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