(1.苏州科技大学环境科学与工程学院,江苏 苏州215009;2.河海大学水利水电学院,江苏 南京210098;3.河海大学长江保护与绿色发展研究院,江苏 南京210098;4.河海大学水利部水循环与水动力系统重点实验室,江苏 南京210098;5.河海大学水灾害防御全国重点实验室,江苏 南京210098;6.河海大学水安全与水科学协同创新中心,江苏 南京210098;7.河北省滦河河务事务中心,河北 唐山063016; 8.苏州科技大学地理科学与测绘工程学院,江苏 苏州215009 )
肖洋(1974—),男,教授,博士,主要从事水力学及河流动力学研究。E-mail:Sediment_lab@hhu.edu.cn
TV131.61+1
国家自然科学基金长江联合基金项目(U2240209)；国家自然科学基金面上项目(52379075)；高等学校学科引智计划项目(B17015)；水文水资源与水利工程科学国家重点实验室自主研究项目(521013152)；水利部重大科技项目(SKS-2022124)
- XIAO Yang 1,2,3,4,5,6
XIAO Yang
School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China;Yangtze Institute for Conservation and Development, Hohai University, Nanjing 210098, China;Key Laboratory of Water Cycle and Hydrodynamic System, Ministry of Water Resources, Hohai University, Nanjing 210098, China;The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China;Cooperative Innovation Center for Water Safety & Hydro Science, Hohai University, Nanjing 210098, China
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- ZHANG Taotao 1
- LI Yitong 7
- YUAN Kang 2
- XU Chen 8
(1.School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;2.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China;3.Yangtze Institute for Conservation and Development, Hohai University, Nanjing 210098, China;4.Key Laboratory of Water Cycle and Hydrodynamic System, Ministry of Water Resources, Hohai University, Nanjing 210098, China;5.The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China;6.Cooperative Innovation Center for Water Safety & Hydro Science, Hohai University, Nanjing 210098, China;7.Luanhe River Affairs Center of Hebei Province, Tangshan 063016, China; 8.School of Geography Science and Geomatics Engineering, Suzhou University of Science and Technology, Suzhou 215009, China)
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通过概化水槽试验,分析了有河岸边坡情况下开底驳船和翻板船抛投沙袋的漂移、偏移落距和落点范围规律,并研究了不同抛投方式的影响。试验结果表明:河岸边坡的存在会导致沙袋发生滑动或滚动,增加沙袋的漂移和偏移落距,且坡度越大,沙袋在顺水流方向的落点越分散；沙袋平均漂移落距随流速的增大而增大,流速较大时,边坡坡度变化对沙袋漂移落距影响较小,流速较小时,开底驳船抛投时沙袋平均漂移落距随边坡坡度的增大而增大,翻板船抛投沙袋在顺水流方向的落点越集中；开底驳船抛投方式比翻板船抛投方式的沙袋落点更分散,但落点范围相差不大。
The drift distance, offset distance, and landing range of sandbags thrown by bottom-opening barges and flipper boats in the presence of riverbank slopes are analyzed through generalized flume experiment. The influence of different throwing methods is also investigated. The experimental results show that the existence of the riverbank slope will cause the sandbags to slide or roll, increasing their drift and offset distance. Moreover, as the slope gradient increases, the landing points of the sandbags become more scattered in the downstream direction. The average drift distance of sandbags increases with the flow velocity. When the flow velocity is high, the variation in slope gradient has a relatively small impact on the drift distance of the sandbags. However, when the flow velocity is low, the average drift distance of the sandbags thrown by the bottom-opening barges increases with increasing slope gradient, while the landing points of the sandbags thrown by the flipper boats become more concentrated in the downstream direction. The throwing method of bottom-opening barges results in more dispersed landing points compared to flipper boats, although the difference in landing range between the two throwing methods is insignificant.
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肖洋,高杰,张涛涛,等.河岸边坡对抛投沙袋落点规律影响的试验研究[J].水利水电科技进展,2024,44(3):45-50, 72.(XIAO Yang, GAO Jie, ZHANG Taotao, et al. Experimental study on influence of riverbank slope on law of thrown sandbag landing point[J]. Advances in Science and Technology of Water Resources,2024,44(3):45-50, 72.(in Chinese))
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- 收稿日期:2023-10-04
- 在线发布日期: 2024-05-28