Influence of change of the cross size in considered at an Elasto-plastic bend of a beam on its bearing ability and rigidity. Considerable decrease in these characteristics in shown: on durability about 20%, on rigidity it is more than by 1.5 times.
упругопластический изгиб, диаграмма растяжения, линейно упрочняющееся тело, изменение поперечного сечения, потенциальная энергия деформации, работа внешних сил, дополнительная работа, Elasto-plastic-bending, stretching chart, material with linear hardening, change of cross section, the potential energy of deformation, work of externa lforces, the additional work
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