Design method of full-frequency vibration reduction track structure
A design method and track technology, applied in the field of traffic engineering, can solve the problems of complex design, long design process, and numerous track parameters in the full frequency domain, and achieve the effect of rapid design, best full frequency performance, and solving environmental vibration.
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[0059] The design process of a full-frequency damping track structure is used to describe how the present invention realizes the rapid design of full-frequency damping track parameters.
[0060] (1) According to the limit and the space conditions of the track structure, the equivalent width of the track structure is determined to be 2900mm, the equivalent height of the track structure is 320mm, and the density of the reinforced concrete of the track slab is 2616kg / m 3 . Calculations can be obtained including rails (the rails are calculated according to the linear meter mass of 60kg) and the linear meter equivalent mass of the track is me=2548kg.
[0061] (2) According to the results of the environmental impact assessment, the intermediate frequency vibration isolation frequency f=12Hz is selected, and 6Hz≤f≤16Hz is satisfied, and the intermediate frequency equivalent benchmark stiffness of the full-frequency vibration-absorbing track is calculated:
[0062]...
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