The program of testing pile foundations with UCT is used in a segment of a pile, the result including isoline, chromatogram and three dimension distributing of velocity is presented.

• 编制了声波层析成像检测钻孔灌注桩质量程序（UCT），对某桩的一段进行层析成像，给出了测区混凝土波速等值线、色谱图以及三维分布图。