Abstract
In order to provide a dry operation environment for the construction of high pile cap in water, the steel cofferdam must be completely sealed when working underwater. Therefore, in order to avoid leakage of cofferdam due to welding defects, high requirements are put forward for the splicing weld quality of cofferdam components. Ultrasonic testing is widely used in the detection of cofferdam welds because of its strong environmental adaptability, convenient operation, high automation level and strong data processing ability. This paper introduces the application of ultrasonic detection technology in steel cofferdam, which has achieved good results.
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