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Rail Shoulder Used On Railway Concrete Sleeper
At present, there are some problems with the rail shoulder used on railway concrete sleepers, such as uneven sleeper spacing, insufficient sleeper length, unreasonable layout of concrete sleepers in turnout areas, etc. These problems not only affect the safety and efficiency of railway transportation, but also bring difficulties to maintenance and repair work. There was a lot of inconvenience.
Features
Railway concrete sleepers are an important component of modern railway construction and have the advantages of high durability, low maintenance costs and long service life. As a key part of concrete sleepers, the rail shoulder plays an important role in ensuring the safety of trains and improving the service life of the track. As the demand for railway transportation continues to grow and operating conditions become increasingly complex, higher requirements have been placed on the performance and quality of shoulders for concrete sleepers. At present, there are some problems with the rail shoulder used on railway concrete sleepers, such as uneven sleeper spacing, insufficient sleeper length, unreasonable layout of concrete sleepers in turnout areas, etc. These problems not only affect the safety and efficiency of railway transportation, but also bring difficulties to maintenance and repair work. There was a lot of inconvenience.
In the design and manufacturing process of shoulders for railway concrete sleepers, there are the following key issues:
Improve the load-bearing capacity of sleepers: In order to meet the needs of modern railway transportation, sleepers need to bear greater loads. Therefore, how to improve the load-bearing capacity of sleepers is one of the key issues.
Reduce the shrinkage coefficient of concrete: The shrinkage of concrete will cause cracks in the sleeper and affect its service life. Therefore, reducing the shrinkage coefficient of concrete is crucial to improve the durability of sleepers.
Improving the durability of sleepers: Under complex environmental conditions, how to improve the service life of sleepers and reduce maintenance costs is another key issue.
In recent years, researchers have achieved remarkable results in the following aspects in response to the above key issues:
Optimize the sleeper structural design: By improving the sleeper structural design, its load-bearing capacity and stability are improved. For example, prestressed concrete technology is used to enhance the crack resistance and load-bearing capacity of sleepers.
Improve the production process: By optimizing the concrete mix ratio and using new additives, we can reduce the shrinkage coefficient of concrete and improve the durability of sleepers.
Evaluation of use effects: Through real-time monitoring and maintenance of sleeper performance during use, potential problems can be discovered and solved in a timely manner, and the service life of sleepers can be extended.
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