Dimple Flange Corrugated Steel Pipe Coupling Structure and Method of that

摘要

The present invention relates to a corrugated steel pipe connecting device, and relates to a dimple flanged corrugated steel pipe joint method and its structure that can effectively prevent the leakage of fluid moving between the connecting portions of two corrugated steel pipes installed adjacent to each other, and the conventional bonding Without the re-shaping of the corrugated steel pipe, the external pressure strength of the produced spiral steel pipe is maintained and the damage to the surface of the corrugated steel pipe due to re-molding is prevented, and additional processing is not required. The purpose is to increase the usability of the site by construction, and to increase the water tightness, durability, and external pressure strength of the corrugated steel pipe joint. In order to solve this problem, to increase the water tightness and durability of the joints of the corrugated steel pipe of the dubon, the water inflation index is wound around the joints 2 to 5 times with a width of 50 cm or more on both sides to increase the water tightness, and then the After the first and second gaskets are screwed to the left and right centering on the gasket in the center of the feature and heat-sealing the joint of the gasket again using a heating ring, an outer gasket is formed outside the first and second gaskets and improved. It is a feature of the invention that the coupling portion of the corrugated steel pipe is coupled so as not to be separated from each other by hydraulic pressure by means of a dimple flange joint method.