| 黄河上游连续弯曲多滩险河道整治方案数值分析 |
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| 引用本文： | 李健,王平义,许百强,贺小含,王梅力.黄河上游连续弯曲多滩险河道整治方案数值分析[J].水利水运工程学报,2020,0(2):9-14. |
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| 作者姓名： | 李健 王平义 许百强 贺小含 王梅力 |
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| 作者单位： | 重庆交通大学水利水运工程教育部重点实验室,重庆 400074;重庆交通大学国家内河航道整治工程技术研究中心,重庆 400074;连云港港口控股集团,江苏连云港 222042;重庆交通大学建筑与城市规划学院,重庆 400074 |
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| 基金项目： | 国家重点研发计划资助项目（2016YFC0402106）；重庆市基础研究与前沿探索（重点）项目（csts2017jcyjBX0070） |
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| 摘 要： | 天然河道一般不能满足航运的实际要求，需进行航道整治。目前我国内河航道整治技术较为成熟，但对存在连续弯曲多滩险河道的研究较少。黄河上游白银市常生码头下游滩河道属连续弯曲河道，存在多处滩险，水流条件复杂，严重影响船舶的通航安全。以数值模拟为研究手段，构建二维数学模型，分析河道碍航因素，论证整治方案的合理性。确定采用填槽、切咀、疏浚和修筑潜坝等整治方法。整治效果明显，水力因素均达到通航指标，水流条件明显改善，为今后黄河上游及类似碍航特性的航道整治工程提供参考。
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| 关 键 词： | 连续弯曲多滩险河道 航道整治 二维水流数学模型 消滩水力指标 |
| 收稿时间： | 2019-09-01 |
Numerical analysis of regulation schemes of continuous bending and multi-beach dangerous channels in the upper Yellow River |
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| Affiliation: | 1.Key Laboratory of Water Resources and Water Transportation Engineering of Ministry of Education, Chongqing Jiaotong University, Chongqing 400074, China2.National Inland Waterway Regulation Engineering Technology Research Center, Chongqing Jiaotong University, Chongqing 400074, China3.Lianyungang Port Holding Group, Lianyungang 222042, China4.College of Architecture and Urban Planning, Chongqing Jiaotong University, Chongqing 400074, China |
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| Abstract: | Natural river channels generally cannot meet the actual requirements of local navigation. Therefore, the waterway regulation is the key technology to meet people's requirements. Currently, the regulation technology of the inland waterway in China is very mature, but there is still little research on river channels with continuous bends and abundant dangerous beaches. This research is based on the river channel with beaches in the lower reaches of the Changsheng wharf of Baiyin City of the upper reaches of the Yellow River. The river channel belongs to a continuous curved channel. There are many beach bodies in this river channel with complex water flow conditions, which seriously affects the safe navigation of ships. Taking the numerical simulation as the research means, a two-dimensional mathematical model is established to analyze the hindering factors of the river channel, demonstrate the rationality of the regulation scheme, and determine effective regulation methods, including filling trough, cutting nozzle, dredging, and constructing submersible dam, etc. The regulation effect is very obvious. The hydraulic factors reach the navigation index, and the flow conditions are obviously improved, which provides a reference for future regulation projects of the upper reaches of the Yellow River as well as the waterway with similar navigation hindrance characteristics. |
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