湘江株洲航电枢纽坝区河段河床变形预报试验研究

Model test on the channel variation in the dam area of Zhuzhou navigation complex in Xiangjiang

试验研究采用正态河工模型,模拟湘江株洲航电枢纽坝区河段宽级配河床质泥沙运动。在模型河床变形验证相似的基础上,研究一期(左汊)、二期(右汊)围堰施工工况和枢纽正常运转条件下河床冲淤变化规律,以及对船闸下引航道口门区及连接段航道的影响;同时推荐了该区域航道整治推荐方案,为设计提供科学依据。

The broad graded sediment transport in the dam area of Zhuzhou navigation complex in Xiangjiang is simulated by using the normal scale model test. After the similarity verification, the physical model is used to study the channel variations during the construction of the first stage （left branch） and the second stage （the right branch） and the normal operation of the hydro-project. The effect of the hydro-project on the entrance area and the connection section of the approaching navigation channel behind the dam is also investigated. Besides, the regulation plan for the waterway is proposed. The research provides a scientific basis for the design of the project.