Vibration-reducing particles, rail transit mixed foundation soil and rail transit foundation vibration reduction method

Abstract

The invention provides vibration reducing particles. Each vibration reducing particle comprises a high-damping rubber sphere and is characterized by further comprising a spherical casing and cotton plugs, wherein the high-damping rubber sphere is encapsulated in the casing, the diameter of the high-damping rubber sphere is slightly smaller than the inner diameter of the casing, through holes I are formed in the high-damping rubber sphere, at least two through holes II are formed in the hollow casing, a longitudinal section of each through hole I is arc-shaped, and the cotton plugs are tightly plugged in the through holes II. The vibration reducing particles are applied to rail transportation foundation soil, so that vibration of a rail foundation and surrounding soil as well as accumulated deformation of the foundation is effectively reduced. The invention further provides the mixed transportation foundation soil and a vibration reducing method for the rail transportation foundation.

Description

technical field [0001] The invention relates to vibration-damping granules, which are applied to rail transit foundation soil. The invention also relates to a rail transit mixed foundation soil and a vibration reduction method for the rail transit foundation. Background technique [0002] With the acceleration of my country's high-speed railway and subway construction, the operating mileage continues to increase. Ensuring harmonious and safe subway operation is not only an important livelihood project, but also a strategic project for the city to develop a green economy. The construction of high-speed railways and subways has brought great convenience to people's travel. At the same time, due to the vibration of the train itself, the interaction between the wheel and the rail, and the unevenness of the track, the vibration of the train and the track structure will be caused, and these vibrations will propagate outward through the surrounding strata. , and further induce se...

AI Technical Summary

Problems solved by technology

Vibration also affects the normal operation of precision machine tools and instruments, causing inaccurate readings and even equipment accidents, and vibration will interfere with people's daily life, making people feel extremely uncomfortable and upset, and even affect people's sleep, rest, work and study

[0003] Most of the existing technologies use a ballast bed with a vibration-reducing function to reduce the vibration of the track and the track foundation, but the vibration transmitted from the track to the track foundation will still affect the surrounding buildings

Moreover, the cumulative deformation of the foundation caused by long-term periodic vibration will continue to increase, which will threaten the safe operation of the track line

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