Interaction of cracks with dislocations in couple-stress elasticity. Part II: Shear modes
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چکیده
منابع مشابه
Interaction of Cracks with Rigid Inclusions in Longitudinal Shear Deformation
The Interaction of a crack with rigid circular cylindrical inclusions is considered for the case of longitudinal shear deformation. General representations of the solutions for a radial crack near a single and midway between two inclusions are given. The particular case of uniform shearing stress applied at infinity is discussed in detail. Expressions for the crack tip stress intensity factor K...
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Fluctuations in the crack tip structure should result in the release of elastic waves that propagate both into the bulk as well as along the surface. Ramanathan and Fisher (1997), and Morrisey and Rice (1998) examined such wave interactions in a series of increasingly sophisticated models. The possibility that in-plane and out-of-plane perturbations could persist along the crack surface, result...
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Shear Resistance of Glulam Beams with Cracks
A reduction of the shear resistance was introduced with the crack factor kcr in Eurocode 5. The factor 0.67 corresponds to cracks that have a depth of 1/3 of the beam width, which rarely occurs under normal conditions. The glulam industry in Sweden has not observed any problems or shear failures due to cracks with previously used shear values. Hence the design requirements do not seem reasonabl...
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ژورنال
عنوان ژورنال: International Journal of Solids and Structures
سال: 2017
ISSN: 0020-7683
DOI: 10.1016/j.ijsolstr.2017.03.021