Deformation process of river channel with cohesive sediment and the stable cross-section in the equilibrium state.
具有粘性泥沙且稳定断面处于平衡状态的河道变形过程。
基本信息
- 批准号:21560546
- 负责人:
- 金额:$ 2.66万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2009
- 资助国家:日本
- 起止时间:2009 至 2011
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Experimental investigation was conducted in order to clarify the effect of cohesive sediment on stable channel geometry in dynamic equilibrium state. Comparing the result with the one in case of sand only, the bank erosion is less remarkable in case that the bed is composed of sand and clay mixture. It should be noted that sediment sorting occurs in the river bed because of the deposition of sand only. And another series of experiments were also conducted in this study on the equilibrium state of bed with an extremely wide range of sediment size distribution. Hiding effect of the larger stone on gravel and sand was made clears quantitatively.
为研究粘性泥沙对动平衡状态下河道稳定几何形态的影响,进行了试验研究。与纯沙情况下的结果相比,沙与粘土混合物情况下的河岸冲刷不明显。应该注意的是,河床中的沉积物分选仅仅是因为沙子的沉积。本文还对宽级配床面的平衡状态进行了一系列试验研究。定量地阐明了较大石块对砂砾石的遮挡作用。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
河床骨格が大礫で構成された河床の流砂過程とその静的安定状態に関する実験的研究
河床骨架为卵石的河床流沙过程及其静态稳定状态试验研究
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:関根正人;西俊彰;三国寛正
- 通讯作者:三国寛正
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SEKINE Masato其他文献
SEKINE Masato的其他文献
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{{ truncateString('SEKINE Masato', 18)}}的其他基金
Inundation risk in highly urbanized area and the strategy of evacuation from an underground space
高度城市化地区的洪水风险及地下空间疏散策略
- 批准号:
19560517 - 财政年份:2007
- 资助金额:
$ 2.66万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Evaluation technique for erosion rate of cohesive sediment and its application to the geomorphological
粘性沉积物侵蚀速率评价技术及其在地貌中的应用
- 批准号:
17560463 - 财政年份:2005
- 资助金额:
$ 2.66万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Exoerimental study on erosion rate of cohesive sediment and the attempt toward direct measurement of it in revers.
粘性沉积物侵蚀速率的实验研究及其逆向直接测量的尝试。
- 批准号:
14550516 - 财政年份:2002
- 资助金额:
$ 2.66万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study on the erosion mechanism of cohesive sediment and its application to the phenomenon in rivers
粘性泥沙侵蚀机理及其在河流中的应用研究
- 批准号:
12650521 - 财政年份:2000
- 资助金额:
$ 2.66万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Mechanics of Stable Straight Channel or Braided Channel Formation
稳定直通道或编织通道形成的力学
- 批准号:
06650572 - 财政年份:1994
- 资助金额:
$ 2.66万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)