What is the use of railroad sleeper?

What is the use of railroad sleeper?
The appearance of the rail sleeper, is an important component of the railroad line accessories, but often overlooked as "invisible man", it plays a support rail, to maintain the stability of the position of the role of the rail.
When the weight of hundreds, thousands or even tens of thousands of tons of trains, fast through the line will cause a huge impact on the line, the sleeper can be the train Mercedes-Benz huge pressure to the roadbed, to prevent the rails due to the pressure is too large and subsidence;.
Overall, the rail sleeper in the middle of the rail to play a supporting role, and through the fasteners and the rail as a whole, to help protect the rail and the stability of the roadbed.

 

 

Why are most of the railroad sleepers made of concrete? In fact, the earliest railroad sleepers are made of wood. Wood's elasticity and insulation is better, coupled with the advantages of light weight and easy to replace, the earliest 90% of the world's railroads use wooden railroad sleepers.

Concrete railroad sleeper is an important railroad equipment, but also China's production and use of a large number of important cement products. In the past 50 years, with the continuous development of China's railroad construction and high-speed heavy-duty railroad needs, as one of the important railroad equipment, pre-stressed concrete track sleeper products continue to be upgraded, pre-stressed concrete track sleeper production process is more and more perfect, concrete track sleeper laying technology and maintenance of road maintenance technology and equipment supporting more perfect, which makes China's pre-stressed concrete track sleeper is not only in the production of the number of and the number of paving Quantity of China's prestressed concrete railroad ties not only in the production and laying of the number of international forefront.

 

What kinds of common railroad sleepers? According to the structure of the type of railroad sleeper is divided into horizontal and longitudinal railroad sleeper, short rails and long rails and wide railroad sleeper three kinds; according to the laying position is divided into ordinary railroad sleeper, turnout area of the turnout rail and the bridge rail three kinds; according to the manufacture of materials is divided into wood rails, reinforced concrete railroad sleeper, steel sleeper and plastic railroad sleeper four kinds.