A diaphragm wall brushing effect evaluation system and method

Abstract

The present application belongs to the technical field of water conservancy and hydropower foundation construction, and discloses a diaphragm wall brushing effect evaluation system and method. The evaluation system comprises a ground host, a boom, a steel cable and a wall brushing device. The wall brushing device is provided with limiters, multiple groups of brush wheels, two groups of ultrasonic detection units and scouring units along the vertical direction towards one side of the arc-shaped side wall of the diaphragm wall. The first ultrasonic detection unit collects the thickness of the mud skin at preset time intervals to generate a first data set, and the second ultrasonic detection unit collects the thickness of the mud skin at preset depth intervals to generate a second data set. The ground host processes the two groups of data according to the depth section respectively to obtain the thickness of the mud skin in the middle region and the two end boundaries of the depth section, compares with the preset three-level threshold interval, and outputs three types of evaluation conclusions. The evaluation method is based on the above system. The present application can realize objective and quantitative evaluation of the diaphragm wall brushing effect, avoid errors of experience judgment, guarantee the construction quality of the diaphragm wall joint, and improve the traceability of construction control.