This paper assumes that the welded turnout in the continuouslyweldedrailtrack is a structural system, and the railway tie in the welded turnout is a beam on the continuously elastic foundation.
本文假定跨区间无缝线路中的无缝道岔为一结构体系，岔枕为连续弹性基础上的有限长梁。
2
The interrelated action principle of beam and rail of continuouslywelded rails on bridge is the pivotal technique of track engineering.