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断面法冲淤计算公式选用及合理的相邻断面面积变化率 被引量:4
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作者 孙苏里 李振林 《长江工程职业技术学院学报》 CAS 2015年第3期1-3,6,共4页
河道(水库)冲淤量计算是研究河道演变规律和河道治理的重要手段,断面法冲淤量计算目前广泛应用,但梯形法和锥体法存在一定的差异,其原因是没有针对具体河段找出差异存在的原因,科学地分析及选用计算公式,特别是相邻断面面积变化率对计... 河道(水库)冲淤量计算是研究河道演变规律和河道治理的重要手段,断面法冲淤量计算目前广泛应用,但梯形法和锥体法存在一定的差异,其原因是没有针对具体河段找出差异存在的原因,科学地分析及选用计算公式,特别是相邻断面面积变化率对计算成果的影响没有引起足够的重视。在研究上述问题的基础上,提出了相邻断面面积变化率的定量指标。 展开更多
关键词 河道(水库)冲淤 梯形法 锥体法 相对差率
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The analysis on reservoir sediment deposition and downstream river channel scouring after impoundment and operation of TGP 被引量:1
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作者 Lu Jinyou Huang Yue Wang Jun 《Engineering Sciences》 EI 2011年第3期113-120,共8页
According to the measured data after impoundment and operation of the Three Gorges Reservoir,the reservoir sediment deposition and downstream river channel scouring are described briefly and compared with the research... According to the measured data after impoundment and operation of the Three Gorges Reservoir,the reservoir sediment deposition and downstream river channel scouring are described briefly and compared with the research results achieved in the demonstration stage.It is indicated through analysis that the reservoir sediment deposition and downstream river channel scouring during 8-year impoundment and operation are still within the original forecast,so the original forecasting results are feasible.The further observation and comparison should be conducted because the comparison between the observed data and the original forecast is not so sufficient in time and the prototype observation and related research work should be strengthened in the future. 展开更多
关键词 Three Gorges Project (TGP) trial impoundment reservoir sediment deposition downstream river channel scouring
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