The test items included are:
Welding engineering: welding quality (pulse reflection ultrasonic testing)
Installation works: verticality of steel house (bracket), truss, beam and compression member, verticality of steel house (bracket), truss, beam and lateral bending steel column of compression member, overall verticality of main structure of steel structure, and overall plane bending section size of main structure of steel structure.
Steel grid structure: deflection value of steel grid structure; Bending rise and bearing height difference of components.
Anticorrosive coating of steel structure: thickness detection of anticorrosive coating
Fire retardant coatings for steel structures: thickness detection of fire retardant coatings