| BED FORMS AND RESISTANCE PROPERTIES OF LIGHT-WEIGHT BED MATERIAL |
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| 作者姓名： | WANG Guixian WANG Xingkui GUO Jiachao Professor Sediment Research Laboratory Dept. of Hydraulic Engineering Tsinghua University Beijing China. Associate Professor Dept. of Hydraulic Engineering Tsinghua University. Assistant Dept. of Hydraulic Engineering Tsinghua University. |
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| 作者单位： | WANG Guixian，WANG Xingkui，GUO Jiachao Professor，Sediment Research Laboratory，Dept. of Hydraulic Engineering，Tsinghua University，Beijing 100084，China. Associate Professor，Dept. of Hydraulic Engineering，Tsinghua University. Assistant，Dept. of Hydraulic Engineering，Tsinghua University. |
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| 基金项目： | National Science Foundation of China |
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| 摘 要： | I. INTRODUCTIONResistance to flow in alluvial streams is one of the crucial problems in fluvial hydraulics. Despite that large amount of studies have been conducted for centuries, no perfectmethod describing and calculating the resistance to flow in alluvial streams is availablehll now. Investigation on bed forms and resistance properties of light--weight bed materials is even more scarce. USWES (1936) has conducted systematic experiments onlight--weight materials in a flume & m long an…
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BED FORMS AND RESISTANCE PROPERTIES OF LIGHT-WEIGHT BED MATERIAL |
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| WANG Guixian,WANG Xingkui,GUO Jiachao Professor,Sediment Research Laboratory,Dept. of Hydraulic Engineering,Tsinghua University,Beijing ,China. Associate Professor,Dept. of Hydraulic Engineering,Tsinghua University. Assistant,Dept. of Hydraulic Engineering,Tsinghua University..BED FORMS AND RESISTANCE PROPERTIES OF LIGHT-WEIGHT BED MATERIAL[J].International Journal of Sediment Research,1993(3). |
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| Authors: | WANG Guixian WANG Xingkui GUO Jiachao Professor Sediment Research Laboratory Dept of Hydraulic Engineering Tsinghua University Beijing China Associate Professor Dept of Hydraulic Engineering Tsinghua University Assistant Dept of Hydraulic Engineering Tsinghua University |
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| Institution: | WANG Guixian,WANG Xingkui,GUO Jiachao Professor,Sediment Research Laboratory,Dept. of Hydraulic Engineering,Tsinghua University,Beijing 100084,China. Associate Professor,Dept. of Hydraulic Engineering,Tsinghua University. Assistant,Dept. of Hydraulic Engineering,Tsinghua University. |
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| Abstract: | Based on experimental results from a large tilting flume, the characteristics and de- veloping processes of bed forms of plastic particles during scouring and deposition are systematically studied. The relationships of the occurence, development and disappearence of sand waves with the flow conditions are presented. Various statistical characteristics of sand waves with different sizes and the corresponding resistance properties of different bed forms of plastic particles are obtained. These results have filled in the gaps in bed forms and resistance properties of light sediment particles. It also serves as useful reference in the design of river model tests. |
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| Keywords: | Bed form sand wave flow resistance light-weight bed material alluvial stream |
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