FIELD: construction.;SUBSTANCE: invention is related to operational monitoring of irrigation system tray channels technical condition in hydrotechnical construction. In method for performance of operational monitoring with the help of nondestructive check instruments and with application of ultrasonic method and method of impact pulse, reinforced concrete tray is separated into three survey zones by detection of specific defects and damages for each zone. Zone 1 is investigated to detect defects and damages that lead to destruction of tray bottom part. Zone 2 is investigated to detect skew cracks in tray board. Zone 3 - to detect long cracks, which lead to collapse of tray board. Using obtained data, technical condition of irrigation system tray channels is predicted.;EFFECT: more accurate assessment of stressed-deformed condition of reinforced concrete trays of irrigation channels and to predict their remaining service life.;2 cl, 3 dwg
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