【摘要】 从桥梁布设原则、通航河流上桥梁建设论证的内容、通航条件的研究、桥梁碍航原因、桥梁碍航问题的处理方法、通航孔跨度的确定等方面对桥区航道问题及整治技术研究现状进行了归纳和总结,并提出了进一步研究的方向。更多还原

【Abstract】 The research achievements on regulation techique in navigation near the bridge is summarized in the aspects of the principles and the main contents of reasoning of laying out bridge,the research of the navigation condition,the cause of bridge influencing navigation,the method of dealing with the problem,and the definition of navigable bridge span.And further study orientation is discussed.更多还原