钻孔灌注桩是目前桥梁工程常用的基础形式。超声波检测在全国公路、桥梁、铁路及高层建筑等的桩基中被广泛应用,已成为我国灌注桩质量检测的主要方法之一,实践证明,该检测方法具有操作简单、直观明确、判断迅速、结论准确等优点。 Bored pile is the common form of bridge engineering. Ultrasonic testing has been widely used in the pile foundations of highways, bridges, railways and high-rise buildings all over the country. It has become one of the main methods for the quality inspection of cast-in-situ piles in China. Practice has proved that this method has the advantages of simple operation, The conclusion is accurate and so on.