| 丁坝头冲深和堵口抛石大小的计算 |
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| 引用本文： | 毛佩郁,段祥宝,毛昶熙. 丁坝头冲深和堵口抛石大小的计算[J]. 水利水运工程学报, 2001, 0(2): 46-50 |
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| 作者姓名： | 毛佩郁 段祥宝 毛昶熙 |
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| 作者单位： | 1. 南京水利科学研究院河港研究所,
2. 南京水利科学研究院水工研究所, |
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| 摘 要： | 将局部冲刷计算式应用到丁坝头和堵口截流冲坑深度的计算，并引用绕板桩渗流场渗势理论计算水流绕坝头的单宽流量（或流速),而给出了进占堵口丁坝坝头护脚抛石的稳定性计算式，经过验算，冲深与抛石稳定性的计算与实际工程的结果较为一致。
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| 关 键 词： | 冲刷深度 抛石稳定性 单宽流量 流速 丁坝 |
| 文章编号： | 1009-640(2001)02-0046-05 |
| 修稿时间： | 1999-10-10 |
Calculation of scour depth around groyne head and size of riprap in closure work |
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| MAO Peiyu,DUAN Xiangbao,MAO Changxi. Calculation of scour depth around groyne head and size of riprap in closure work[J]. Hydro-Science and Engineering, 2001, 0(2): 46-50 |
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| Authors: | MAO Peiyu DUAN Xiangbao MAO Changxi |
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| Abstract: | A local scour depth formula is applied in the calculation of scour depth around a groyne head in a closure work, and the unit discharge (or velocity) around the groyne head is computed by use of the potential flow theory in seepage field. A formula reflecting the stabilization of riprap in a closure work and of groyne head apron is thus deduced. The calculation results of scour depth and stabilization of riprap are consistent with the actual situation. |
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| Keywords: | scour depth stabilization of riprap unit discharge velocity closure work groyne calculation formula |
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