Compound railway track and construction method thereof
A construction method and composite technology, which can be used in the joints of roads, tracks, and rails, etc., can solve the problems of complex construction, high cost, and long process time.
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[0010] Introduce the present invention below in conjunction with accompanying drawing and embodiment.
[0011] refer to figure 1 , the sleepers 4 arranged on the ballast bed 5 are laid with the steel rail 2 leaving the gap 6, which is a common quasi-gauge circuit. On the rail head of steel rail 2, is covered with a seamless rail 1. Below the seamless rail, there is a groove matching the 2 rail heads of the steel rail. The seamless rail is about 90mm wide, 25-45mm high, and 10-15mm deep in the groove. The joint part of the seamless rail 1 and the middle position of each steel rail 2 is a weld 3, and the weld seam is about 1m long, so that the seamless rail and the steel rail are firmly combined as a whole.
[0012] The construction method of the composite rail is: heat the seamless rail 1 to be laid so that its temperature is 20-35°C higher than the local annual maximum temperature. for welding.
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Abstract
Description
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Application Information
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