With the development of the national construction industry, pile foundation hasbecome an indispensable form of foundations. However, many types of filling pilescome with a variety of engineering defects, which affect the bearing capacity and thesuperstructure safety of the pile foundation. The more serious effects may even makethe pile body lose carrying capacity.
Therefore, the integrity testing of the pile body is an important issue of greatconcern to engineering. This paper takes advantage of the pri...