This paper has described basic principles of the ultrasonic transmission testing technique, described the result of the test on the basis of some examples, and pointed out some problems to which proper attention should be paid in the test.
蔡裕恩. 超声波透射法在混凝土灌注桩检测中的应用[J]. 物探与化探, 2005, 29(3): 276-278.
CAI Yu-en. THE APPLICATION OF ULTRASONIC TRANSMISSION METHOD TO THE TEST OF BORED CONCRETE PILE. Geophysical and Geochemical Exploration, 2005, 29(3): 276-278.