| SCOUR AROUND GROINS |
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| 作者姓名： | Masoud GHODSIAN and S. M. Hoseini TEHRANI Assistant professor of Civil Engineering Tarbiat Modarres University P.O. Box / Tehran- Iran. Post graduate student I. A. University and Research Engineer Water Research Center Tehran- Iran. |
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| 作者单位： | Masoud GHODSIAN and S. M. Hoseini TEHRANI Assistant professor of Civil Engineering，Tarbiat Modarres University，P.O. Box 14115/143，Tehran- Iran. Post graduate student，I. A. University and Research Engineer，Water Research Center，Tehran- Iran. |
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| 摘 要： | l INTRODUCTIONGroins are smictures consmicted transverse to the river flow and extended from the bank into the river.They serve one or more of the following functions: 1) training of the stream flow, 2) protection of s treambank frOm erosion, and 3) imProvement of flow dePth for navigation. Groins, according to method andtyPe of construction material, are usually classified as permeable or imPermeable. However in this paPeranother wne is introduced, i.e. semipermeable groin, which is th…
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SCOUR AROUND GROINS |
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| Masoud GHODSIAN and S. M. Hoseini TEHRANI Assistant professor of Civil Engineering,Tarbiat Modarres University,P.O. Box /,Tehran- Iran. Post graduate student,I. A. University and Research Engineer,Water Research Center,Tehran- Iran..SCOUR AROUND GROINS[J].International Journal of Sediment Research,2001,16(1). |
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| Authors: | Masoud GHODSIAN SMHoseini TEHRANI |
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| Abstract: | Based on the experimental data, the characteristics of maximum clear water scour hole around groins were studied by correlating to the approach velocity of flow, mean sediment size, depth of flow and ratio of length of permeable to impermeable part of groin. Empirical equations for prediction of scour hole characteristics were proposed based upon dimensional analysis and laboratory experiments. |
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| Keywords: | Scour Groin Permeable Impermeable Semipermeable |
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