Different long weld neck flange and weld neck flange
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Different long weld neck flange and weld neck flange:
1.The specimen destroys the common attack in the experimental steel tube, in which the long weld neck flange weld and the experimental steel tube in the middle of the cylinder body is most likely to be destroyed. M20,M30 bolts in the experiment can satisfy the request, not attack damage.
2.Under design load, all parts of long weld neck flange specimen are in elastic stage. The yield bearing capacity of experimental steel tube and flange neck can reach more than 1.4 times times of design load, and has higher safe storage.
3.In view of the typical specimen of long weld neck flange, the influence of flange diameter, flange plate thickness, flange neck height, pipe diameter, flange neck diameter and flange bolt position on the stress of flange neck and flange plate is discussed.The proposed method can reduce the flange thickness of the specimen to 1000, and the bearing capacity of flange plate and flange neck can reach more than 1.4 times times of design load, and has higher safe storage.
4.Long weld neck flange in the experimental process has a larger bearing capacity, structure before the destruction of the obvious omen, with high safety storage, complete to meet the design load of the strength of the request, safe and reliable, can be implemented in the project application.