The concrete sleepers used in railways are also called squat pillows. They are mainly type II and new type II. The requirements for railway ties are much stricter than that of mine ties. In terms of service life, the cost performance is more suitable than that of wooden ties, so the current railway Most of the cement sleepers used
The cement sleeper is the object that carries the rails and is the material for the railway and special track laying and bearing equipment.
The cement rail pillow material has a wide range of sources, the same specifications, uniform elasticity, good insulation, high stability, and is not affected by external conditions such as weather temperature, and does not rot and has a long service life.
The cement sleeper needs to be steam demolded once, has a smooth appearance, is hard inside, and contains multiple rebars.
The cement sleepers are available in 12kg, 15kg, 18kg, 22kg, 24kg, 30kg, 38kg, 43kg rails.
There are three kinds of cement sleepers 30kg-gauge 600mm. One type is U-shaped ring, one is bolt pressing plate, and the other is spring fastener.
The size of the cement sleeper of 30kg-gauge 600mm U-ring is: 1200mm long, 150mm high, 200mm wide at the bottom and 120mm wide. The overall shape is trapezoidal. There are 5 8mm thick high-strength rebars in the main ribs, and many 4mm thick high-strength. The rebar is a stirrup and the cement is labeled C40.
The size of the 30kg-gauge 600mm bolt plate type cement sleeper is: 1200mm long, 145mm high, 200mm wide at the bottom, 120mm wide at the top, trapezoidal overall. There are 5 8mm thick high-strength rebars and 4mm thick. High-strength rebar is stirrup, cement is C40, and the accessories for each sleeper are: 4 sets of M18 6.8 high-strength bolts, 4 press plates, 2 rubber pads.
The size of the cement sleeper of the 30kg-gauge 600mm screw spring fastener is the same as that of the bolt presser type, that is, two fasteners are embedded on the sleeper, and the spring fixing member is inserted into the embedded body during installation. The upper part of the fastener is pressed against the bottom of the rail, and it is very firm after installation.
Photos of High Stability Railway New Cement Sleeper