Ultrasonic Testing of the Cast-in-Place Bored Pile

Combined with the ultrasonic testing of the cast-in-place bored pile in jiaozheng Highway,the paper introduces and analyzes not only the application steps of ultrasonic transmission but the judgment of defect in pile.By the example prove that ultrasonic transmission can judge the location and the range of defect exactly and evaluation of the degree of defect.It is a good way to inspect the quality of cast-in-place piles.