本文简要地介绍了北京城市铁路地面线轨道建设采用一次铺设无缝线路及钢弹簧浮置板隔震道床两项新技术的必要性、可行性，并简要地介绍了这两项新技术的施工工艺及其实施效果，其取得的成功应用经验可供今后我国城市铁路轨道建设借鉴。

This paper analyzes the feasibility and necessity of two techniques of laving continuous welded line for one time and anti-vibration roadbed with steel spring floating plate adopted in construction of Beijing urban railway transit at ground level, gives an introduction to these two new construction techniques and achievements. In which the experience can be for the reference to the construction of urban rail transit of China in future.