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CRACK REPAIR METHOD FOR EXISTING STEEL STRUCTURE
CRACK REPAIR METHOD FOR EXISTING STEEL STRUCTURE
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机译:现有钢结构的裂纹修复方法
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摘要
A crack repair method includes a build-up welding step of performing build-up welding on a portion of an existing steel structure where a crack is generated while feeding a filler wire, and a laser beam piercing welding step of performing piercing welding using a laser beam on a filler material build-up portion caused by the build-up welding in the build-up welding step and the crack. The crack can be melted and repaired without lowering a toughness value regardless of an operation condition.
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