【摘要】 针对桥墩局部冲刷问题进行了试验研究，分析了桥墩局部冲刷的水流特点，对采用护坦减小桥墩局部冲刷的防护效果进行试验研究、分析，得到了一些有价值的结论。更多还原

【Abstract】 In view of local scour at piers, the experiments have been done. The experiments and analysis of flow pattern around piers show that the protection effect with apron to local scour is very obvious, some valuable conclusions are gained.更多还原