2011
DOI: 10.32326/1814-9146-2013-73-1-25-35
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Carrying Capacity of Reinforced Ice Circular Plates

Abstract: Институт теоретической и прикладной механики СО РАН, НовосибирскПолучены условие пластичности в моментах и закон пластического течения пластины изо льда − материала, имеющего разные значения предела текучести на растяжение и сжатие. На их основе в рамках модели жесткопластического тела построено точное решение задачи определения предельной нагрузки круглой, свободно опертой или защемленной по контуру, усиленной жесткой вставкой ледяной пластины, находящейся на несжимаемом основании, под действием нагрузки, рав… Show more

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“…Figure 4 shows the dimensionless total ultimate load f = P 0 S p /(6M 0 ) as a function of ε = γ − D a /R 0 . In the case of a circular plate, the dimensionless total ultimate load f at ε = 0.1 is 5% greater than the value of f predicted by the exact solution [6]. At ε = 0.5, the difference is 3%; at ε > 0.6, the results of the proposed approximate calculation almost coincide with the exact solution.…”
Section: Examplementioning
confidence: 63%
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“…Figure 4 shows the dimensionless total ultimate load f = P 0 S p /(6M 0 ) as a function of ε = γ − D a /R 0 . In the case of a circular plate, the dimensionless total ultimate load f at ε = 0.1 is 5% greater than the value of f predicted by the exact solution [6]. At ε = 0.5, the difference is 3%; at ε > 0.6, the results of the proposed approximate calculation almost coincide with the exact solution.…”
Section: Examplementioning
confidence: 63%
“…In accordance with the ultimate scheme of deformation of a simply supported plate under axisymmetric loading, the rigid area in the exact solution moves translationally in the loading direction, and two hinge circles located at a moderate distance from each other are formed; as the load is increased, these circles actually merge with each other [6]. As the plate is located on an incompressible foundation, some part of the plate near its external contour moves upward.…”
Section: Scheme Of Plate Deformationmentioning
confidence: 73%
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