The variations of the local scour equilibrium depth with the parameters of the jet, such as jet exit height, width, velocity and sediments characteristics, were observed in the experiments.

实验观测了射流局部达到冲刷平衡时，最大冲刷深度随射流喷口高度、喷口宽度、喷口流速、横流流速及泥沙特性变化的规律。

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Finally, we obtained distribution of the maximum depth of local scour under each experimental group by analysing and comparing the maximum depth data of local scour maximum.

最后，通过分析对比局部最大冲刷深度资料，得出各试验组次局部最大冲刷深度的分布规律。

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Local scour on bridge pier caused by the sand movement is based on turbulence, understanding the turbulence characteristics in-depth can better raise awareness of local scour on bridge piers.

引起桥墩局部冲刷的泥沙运动是以水流脉动为基础的，只有深入地了解水流的脉动特性，才能更好地提高对桥墩局部冲刷的认识。

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