Vibro-Protection of Subway Upper Track Structure of with the Use of the Structure of “Mass-Spring” Type

Number of journal: 6-2018
Autors:

Smirnov V.A.

DOI: https://doi.org/10.31659/0044-4472-2018-6-32-35
УДК: 625.4

AbstractAbout AuthorsReferences
Subway lines are sources of increased vibration, which is transmitted through the ground to the buildings located up to 40 m from the tunnel axis and spreading over it, often exceeding the vibration limits specified by sanitary standards or mechanical safety requirements. Reducing exceeding values on the designed or operating metro lines is possible by application of a vibration-isolation of the upper track structure, the most effective of which is the «mass-spring» system or “floating slab”. The article gives an analysis of the current analogues under operation, as well as the provisions for the design of this system subjected to the moving load as an infinitely long beam lying on a nonlinear-elastic foundation. The vibration isolation efficiency of this system during the movement of trains is estimated.
V.A. SMIRNOV, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

Scientific-Research Institute of Building Physics of the Russian Academy architecture and construction sciences (21, Lokomotivniy Driveway, Moscow,127238, Russian Federation)

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For citation: Smirnov V.A. Vibro-protection of subway upper track structure of with the use of the structure of “mass-spring” type. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2018. No. 6, pp. 32–35. (In Russian). DOI: https://doi.org/10.31659/0044-4472-2018-6-32-35


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