Abstract: Changshou Railroad Bridge is one of the important engineering in Yuhuai Railroad .Since the construction period of Changshou Railroad Bridge is restricted , the style of simultaneous construction in sixth and seventh pier will be adopted.That will alter the stream conditions and influence shipping .In this paper , the navigation conditions are expatiated in the construction of Changshou Railroad Bridge from different aspects .And the corresponding method on navigation safety is advised .

Key words: Changshou Railroad Bridge , construction period , navigation conditions

摘要： 重庆长寿长江大桥是渝怀铁路控制性工程之一，由于工期的限制，6#、7#主桥墩水下施工拟采用同期作业 的施工方式，不仅缩窄了航宽，也影响了桥区河段的航行水流条件。笔者从不同的角度出发，阐述了大桥在施工 期的通航条件，并提了相应的通航安全保障措施及建议

关键词: 长寿长江大桥, 施工期, 通航条件