渝怀铁路长寿长江大桥施工期通航条件研究

Study on construction period navigation conditions to Changshou Railroad Bridge of the Yangtzi River

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 。

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.