Elastoplastic analysis for infinite plate with centric crack loaded by two pairs of point shear forces |
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Authors: | Zhou Xiao-ping and Ling Tong-hua |
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Affiliation: | (1) School of Civil Engineering, Chongqing University, 400045 Chongqing, China;(2) School of Geoscience and Environmental Engineering, Central South University, 410083 Changsha, China |
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Abstract: | The near crack line analysis method was used to investigate a crack loaded by two pairs of point shear forces in an infinite
plate in an elastic-perfectly plastic solid, and the analytical solution was obtained. The solutions include: the unit normal
vector of the elastic-plastic boundary near the crack line, the elastic-plastic stress fields near crack line, law that the
length of the plastic zone along the crack line is varied with an external loads, and the bearing capacity of an infinite
plate with a center crack loaded by two pairs of point shear forces. The results are sufficiently precise near the crack line
because the assumptions of the small scale yielding theory have not been made and no other assumption have been taken. |
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Keywords: | near crack line analysis method elastoplastic analytical solution two pairs of point shear forces |
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