Causes and Preventions of Lamellar Tearing: Engineer's Notebook

Serial Information: Civil Engineering—ASCE, 1982, Vol. 52, Issue 4, Pg. 74-74

Document Type: Feature article


Within the past 10 years, a steel cracking problem, lamellar tearing, has arisen after welding of thicker sections and higher-strength steels. A separation underlying a weld joining plate or structural shape, it can occur in the construction of buildings, bridges and offshore platforms. Generally detected during fabrication, it has not usually resulted in structural failures, but its reparation can be costly. To combat it, the steel industry has funded a three-year research project at Lehigh University. The major findings of this study, on the causes and prevention of lamellar tearing, are reported in this article.

Subject Headings: Infrastructure construction | Welding | Offshore construction | Cracking | Plates | Offshore platforms | Fabrication | Material failures

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