| 1. | The examinational study on the local scour depth of roadbed along river
沿河路基局部冲刷深度的试验与分析 |
| 2. | Long - term scour depth
长期冲刷深度 |
| 3. | Local scour depth around bridge pier is a very important parameter in design of sea - crossing bridge base
摘要桥墩周围局部冲刷深度是跨海大桥基础设计的重要参数。 |
| 4. | 4 . experiments about the influence of aeration on scour hole show , aeration decrease the scour depth
证明了冲刷坑的形成对下游水流流态及坑底脉动压强特性有较大的影响。 |
| 5. | Scouring depth before the permeable pile dike reaches 20 m and the value increase with the upstream angle and flow rate of the coming flow
桩前冲坑最大深度可接近20m ，入流角和流量越大，冲坑越深。 |
| 6. | The relationship between the air concentration and the scour depth can be expressed as an exponential function . aeration does not affect the shape of scour hole
掺气浓度c _对冲坑深度的影响，可表达为掺气浓度与冲坑无量纲深度的幂函数关系。 |
| 7. | In this paper , scale models are used to study local scour around bridge piers and abutments , and the scour pit pattern and maximum scour depth , which may serve as a reference for engineering design , are given
采用系列模型试验方法，对具体工程大型桥墩在水流和波流共同作用下的局部冲刷分别进行研究，提出了冲刷坑形态和最大冲刷深度，供工程设计参考。 |
| 8. | Therefore the method and the equation developed in this paper to compute maximum scour depth is applicable and provides a reliable and convenient way to access maximum scour depth in engineering
该公式与现有公式比较，概念清晰、型式简单，采用该公式计算大尺度直立圆柱建筑物基底的最大冲刷深度可给出令人满意的结果，可供实际工程中估算最大冲刷深度。 |
| 9. | The scale effects due to unsimilar bed risistance is discussed in detail , and the correct way of scour depth is supposed . at last , a new transport rate formulas of uniform or nonuniform bed load is given
本文还对由于阻力不相似而引起的比尺效应进行了较详细的讨论，从理论上给出了冲刷深度比尺效应的修正方法及新的均匀、非均匀推移质输沙率的计算公式。 |
| 10. | The results based on the experiments under steady current and under current - wave interaction show that it is necessary to analyze the dynamic conditions of wave and current in calculation of scour depth around practical bridge piers
同时，通过单向水流和波浪水流两种情况冲深结果比较，指出在预测波流共同作用下的大型桥墩局部冲深时，不应将两种动力条件进行简单的迭加，而应具体问题具体分析。 |
