Abstract
In the first section of this paper, the author describes several practical methods of minimizing the deformation caused by the application of arc welding on the hull construction, such as symmetrizing method, constraining method, water-cooling method, multiple beads method, heat-absorving method, and pre-straining method. And then, he explains the general matters on the carbon contents and the diameter of electrodes, the form of welding, the amount of electric current, and the speed of welding, to be taken care to minimize the deformation.
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