Calculation of seismic qualities of the damper and vibration transducer with the possibility of their use in aircraft

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The aim of the work. The article aims to determine the most effective seismic protection devices, as well as their degree of reliability in different conditions. The method of comparative calculation for determining the quality of seismic protection devices is given. An example of calculation for the damper and vibration transducer is carried out. Calculations show that the use of seismic protection devices reduces the coefficient of K 3 more than twice. Seismic protection is an urgent problem not only in construction, but also in all branches of the technosphere. The option of using seismic protection devices in aircraft is also considered. Methods. A comparative calculation of the behavior of dampers and vibration transducer taking into account the friction coefficients f tr, the sum of vertical loads ∑ Qkd , the total shear seismic force ∑ Sdc is considered. The diagram of the location of seismic protection devices (damper and vibration transducer) under the building is presented, as well as the options for installation in aircraft are given. Comparative calculations are carried out with the presence of seismic protection installations and without them. Results. The total result is given taking into account the change in the value of horizontal seismic loads Sik , which has changed in the range of 2.26-2.46 times. This circumstance allows to conclude that the proposed damping device reduces the seismic load, which falls on the protected structure, by 1-2 points, with almost the same efficiency as the vibration transducers (difference of 0.3 times).

About the authors

Inomzhon U. Madzhidov

Ministry of Higher and Secondary Special Education of Uzbekistan

Author for correspondence.

Doctor of Technical Sciences, Professor.

96 2-ya Chimbaiskaya St., Tashkent, 100100, Republic of Uzbekistan

Malika B. Aripkhodzhaeva

Tashkent State Technical University


senior lecturer, Department of Safety of Life.

2 Universitetskaya St., Tashkent, 100100, Republic of Uzbekistan

Dilnoza M. Rakhmatova

Tashkent State Technical University


senior lecturer, Department of Safety of Life

2 Universitetskaya St., Tashkent, 100100, Republic of Uzbekistan

Adiljan A. Suleymanov

Tashkent State Technical University

SPIN-code: 2555-7348

Doctor of Technical Sciences, Professor, Department of Safety of Life.

2 Universitetskaya St., Tashkent, 100100, Republic of Uzbekistan


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Copyright (c) 2019 Madzhidov I.U., Aripkhodzhaeva M.B., Rakhmatova D.M., Suleymanov A.A.

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