Shape of steel rail?

Edit:Zongxiang Heavy Industry--Lucas Date:2020-05-09 13:54:05

We know that steel rails are mainly used on railways, subways or tracks of other large-scale equipment. They can bear relatively large weight and can keep the position of the steel rails for a long time. Let's look at the current shape of the steel rails. thickness of steel rail

The section shape of the steel rail adopts an I-shaped section with the best bending resistance and consists of a rail head, a rail waist and a rail bottom.  In order to enable the steel rail to better withstand forces from all aspects and ensure necessary strength conditions, the rail should have sufficient height, its head and bottom should have sufficient area and height, and its waist and bottom should not be too thin. thickness of steel rail

Among various types of steel rail, 38kg/m steel rail has now stopped production, 60kg/m and 50kg/m steel rail are laid on main trunk lines, and 43kg/m steel rail is generally laid on station lines and special lines.  For heavy haul railways and railways in particularly busy sections, 75kg/m steel rail will be laid.  In addition, in order to meet the needs of turnout, extra-large bridge and jointless track structures, China's railways have also adopted I-shaped rails with special sections (asymmetrical with the central axis).  At present, a large number of short special section rails are used, which are referred to as AT rails for short. thickness of steel rail

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