Railway Concrete Sleeper Prestressed Tension Railway Sleeper

Railway Concrete Sleeper Prestressed Tension Railway Sleeper

I. Brief introduction:

Our prestressed concrete sleepers are professional rail track components engineered for high performance, durability and stability, complying with China Railway industry standards (TB/T 3298) and adaptable to international rail track specifications. As the core under-rail foundation of railway lines, they are widely applied to heavy-haul freight lines, passenger and freight mixed lines, urban rail transit and special railway branches, providing reliable load-bearing support for steel rails and ensuring safe and smooth railway operation.

Crafted with high-strength C50/C60 prestressed concrete, our sleepers adopt advanced pretensioning technology and factory-based automated assembly line production. The raw materials are strictly selected, including high-grade Portland cement, graded aggregate, high-strength low-relaxation prestressed steel wires/reinforcing bars and professional concrete admixtures, ensuring the product has excellent crack resistance, compression resistance and fatigue resistance. The scientific structural design (trapezoidal cross-section, grooved anti-slip bottom) maximizes ballast bed resistance, effectively reduces track deformation and improves the overall stability of the railway line.

With a design service life of 30 years, our concrete sleepers outperform traditional wooden sleepers by 3-4 times in service life, and the actual service life can reach 25-40 years with standard maintenance (adjustable based on line grade and operation load). They feature rich material sources, factory standardized production, uniform product quality, and good corrosion resistance (adaptable to coastal salt spray, humid and cold regions). The natural insulation of concrete blocks track current, further enhancing the safety of the railway signal system.

We offer a full range of models including Type Ⅰ, Type Ⅱ and Type Ⅲ (shouldered/shoulderless) concrete sleepers, with customizable specifications to meet the different requirements of track axle load, operating speed and laying density (applicable to 85km/h - 160km/h operating speed, 23t - 25t axle load). All products pass 100% appearance and dimensional inspection, as well as batch sampling mechanical performance and strength testing, with complete quality certification and traceability, to provide customers with high-quality, high-reliability rail track supporting products.

II. Core Advantages:

• High strength & excellent crack resistance: Prestensioning technology ensures no obvious transverse cracks under design load
• Long service life & strong corrosion resistance: Adapt to various harsh working environments, reduce replacement frequency and maintenance costs
• Stable performance & high track safety: Large ballast bed resistance, effectively prevent track displacement and deformation
• Standardized production & complete specifications: Factory automated production, customizable to meet international rail project needs
• Cost-effective & environmental protection: Save wood resources, low long-term operation and maintenance costs, in line with green construction concepts

III. Main Technical Parameters:

IV. Dimensional drawings:

V. Typical concrete sleeper drawing:

VI. Package