| 摘要 |
<p>The present invention relates to a method and a system for evaluating the soundness of a steel pipe reinforcement multistage grouting borehole using ultrasonic guided waves. The method for evaluating soundness of steel pipe reinforcement multistage grouting borehole using ultrasonic guided waves comprises the steps of: generating ultrasonic guided waves in the head of a steel pipe placed in a steel pipe reinforcement multistage grouting method; sensing reflected ultrasonic guided waves returned to the head as reflected at the front end of the steel pipe; detecting a main frequency of the sensed ultrasonic guided waves; and evaluating the soundness based on the detected main frequency.</p> |
