赣江龙头山枢纽一线船闸通航水流条件分析及改善措施研究

肖钦; 范红霞; 邓伟; 王建中

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赣江龙头山枢纽一线船闸通航水流条件分析及改善措施研究
肖钦¹, 范红霞², 邓伟³, 王建中²
1.江西省港口集团有限公司;2.水利部交通运输部国家能源局南京水利科学研究院;3.中交第二航务工程勘察设计院有限公司

摘要:

赣江龙头山枢纽已建Ⅲ级船闸一座,可通航1000t级船舶。2019年4月船闸试运行后,发现船闸安全通航流量较低,达不到原设计标准,影响船闸的通航安全和船舶过境效率。本文在资料分析和物理模型试验的基础上,分析了现状船闸通航水流条件及存在问题,剖析了其不达标原因,提出了一种新型的百叶窗式透空隔流堤措施以改善一线船闸通航水流条件,可有效提升最大安全通航流量,为已建船闸完善方案、预留二线船闸设计和今后运行管理提供科学依据,具有重要的工程实践意义,可为已建工程类似问题的解决提供新的技术途径。

关键词: 龙头山航电枢纽船闸通航水流条件物理模型完善措施管理流量

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DOI:Study on navigation flow condition and improvement measures of Longtoushan junction in Ganjiang river

Xiao qin¹, Fan Hong xia², Deng Wei³, Wang Jianzhong²

1.Jiangxi Port Group Co., Ltd.;2.Nanjing Hydraulic Research Institute;3.CCCC Second Harbor Consultants Co., Ltd.

Abstract:

A three-level navigation lock was built at Longtoushan junction and operated since the April in 2019. But the design standard is not achieved and there is a real safety risk. On the base of data analysis and physical model test, the navigation flow condition was studied and the reasons was found. A new type measure was used and the safe discharge was enhanced obviously. The optimized scheme can help meet the design requirements and provide technical support for engineering design and operation and management in the future. The new measures can be popularized and applied in similar events.

Key words: Longtoushan junction navigation lock flow condition physical model improvement measures management discharge