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首页> 美国政府科技报告 >The Crack Problem for a Half Plane Stiffened by Elastic Cover Plates.
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The Crack Problem for a Half Plane Stiffened by Elastic Cover Plates.

机译：弹性盖板加固半平面的裂纹问题。

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摘要

An elastic half plane containing a crack and stiffened by a cover plate is discussed. The asymptotic nature of the stress state in the half plane around an end point of the stiffener to determine the likely orientation of a possible fracture initiation and growth was studied. The problem is formulated for an arbitrary oriented radial crack in a system of singular integral equations. For an internal crack and for an edge crack, the problem is solved and the stress intensity factors at the crack tips and the interface stress are calculated. A cracked half plane with two symmetrically located cover plates is also considered. It is concluded that the case of two stiffeners appears to be more severe than that of a single stiffener.

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