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The main load-bearing structural parts should be checked for metal fatigue strength, weld cracks, structural deformation, damage, etc. The key welds and the base materials of the welding heat-affected zones of the main load-bearing structural parts should be checked.

The safety regulations of tower cranes are a series of regulations and measures formulated to ensure the safe operation of cranes and prevent accidents. These regulations are the basic requirements that must be followed during the use of tower cranes and are of great significance for ensuring the safe operation of cranes.