Title: Stress Intensity Factors for Cracked I-Beam Under Tension
Abstract:The I-beam is widely used in structural engineering. Any cracks in it may cause the structure failure. As I-beam with cracks is typical three-dimensional structures, it is very difficult to determine ...The I-beam is widely used in structural engineering. Any cracks in it may cause the structure failure. As I-beam with cracks is typical three-dimensional structures, it is very difficult to determine the stress intensity factors by using classical method. In present, a new and very simple method to determine the stress intensity factors was proposed, based on crack surface widening energy release rate which can be expressed by the G* -integral and elementary strength theory of materials for slender cracked structures. A new and closed form of stress intensity factors was derived for I-beam with center crack. The present method can apply to not only common shaped engineering structures, but also other kinds of cracked thin-walled structures.Read More
Publication Year: 2003
Publication Date: 2003-01-01
Language: en
Type: article
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