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The functions of rubber boots are mainly in the following aspects:
I. Protecting track structure
Waterproofing and moisture-proofing:
Rubber boots can effectively prevent moisture and dampness from invading the track structure. In railway tracks, moisture is one of the main factors leading to corrosion and damage of track components. Rubber boots can tightly wrap the bottom and sides of the track, forming a waterproof barrier to prevent rainwater, groundwater and other moisture from entering the track foundation, thereby prolonging the service life of the track.
For example, in rainy areas or areas with high groundwater levels, the waterproof function of rubber boots is particularly important and can protect the track structure from moisture erosion.
Dust-proofing and pollution prevention:
In addition to waterproofing, rubber boots can also play a role in dust-proofing and pollution prevention. During the use of tracks, they will be affected by pollutants such as dust, soil and oil stains. These pollutants may enter the gaps between track fasteners and sleepers, affecting the performance and service life of the track. Rubber boots can block these pollutants, keep the track structure clean and reduce the workload of maintenance and cleaning.
For example, on railway tracks near industrial areas or construction areas, rubber boots can effectively prevent dust and oil stains from polluting the track.
II. Enhancing track elasticity
Reducing vibration and noise:
Rubber has good elasticity and can absorb the vibration and impact generated when trains pass. Installed at the bottom of the track, rubber boots can increase the elasticity of the track and reduce the transmission of vibration and noise during train operation. This can not only improve the smoothness and comfort of train operation, but also reduce noise pollution to the surrounding environment.
For example, in urban rail transit, the vibration reduction and noise reduction effect of rubber boots can reduce the impact on surrounding residents.
Protecting track components:
When the track bears the weight and dynamic force of trains, it will produce large stresses and deformations. The elasticity of rubber boots can relieve these stresses and deformations and protect track fasteners, sleepers, ballast and other components from damage. At the same time, rubber boots can also reduce friction and wear between track components and prolong the service life of the track.
For example, in heavy haul railways, rubber boots can effectively protect track components and improve the carrying capacity and durability of the track.
III. Improving track stability
Preventing track displacement:
The friction between rubber boots and the track and ballast is relatively large, which can effectively prevent the track from displacing during train operation. Especially in curve sections and sections with large slopes, the track is prone to displacement under the action of lateral and longitudinal forces. Rubber boots can provide additional resistance to keep the track position stable.
For example, in curve sections of mountain railways, rubber boots can enhance the stability of the track and ensure the safe running of trains.
Uniformly distributing loads:
Rubber boots can uniformly distribute the load of trains to the ballast, avoiding local stress concentration. This helps to reduce the deformation and damage of the ballast and improve the overall stability of the track. At the same time, uniformly distributed loads can also reduce the maintenance cost of the track and prolong the service life of the track.
For example, in high-speed railways, the load distribution function of rubber boots can ensure the high smoothness and stability of the track.
