This paper takes prefabricated construction engineering as the research object,discusses and analyzes the application method of steel structure non-destructive testing technology,and focuses on the weld non-destructive testing technology,ultrasonic flaw detection technology,penetration testing technology,and magnetic particle testing technology.Different testing technologies have their own advantages and disadvantages in the application,so it is necessary in the process of testing to combine with the characteristics of steel structure and the functional value of testing technology to select the appropriate testing technology.In addition,the testing unit should strengthen technological innovation,integrate and apply different testing technologies,develop new research directions,and promote the development and progress of prefabricated buildings.
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