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Stress Distribution in Layered Elastic Creeping Array with a Vertical Cylindrical Shaft

机译:具有垂直圆柱轴的层状弹性爬行阵列的应力分布

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Construction should be taking into account the influence of time factor on the stability of the structures. In the paper hereditary creep and homogenization theories are used to determine stresses in the layered elastic creeping array with a vertical shaft. Volterra correspondence principle was applied. As a result, the reduction of a time-dependent elastic creeping problem to a corresponding elastic problem became possible. The method proposes a way to determine average (effective) elastic creeping properties and homogenized stress field from known properties of the layers’ components. Creep kernels are of a convolution type and are taken in the exponential form. The problem of heterogeneous elastic creeping environment is reduced to a problem of homogeneous transversely isotropic medium. Different boundary conditions on the cylindrical shaft’s surface were considered. An analytical solution was obtained. These explicit expressions can be useful for the necessary calculations in the construction practice.
机译:应考虑到时间因素对结构稳定性的影响。在涉文遗传性蠕变和均匀化理论中用于确定具有垂直轴的层状弹性爬行阵列中的应力。 volterra对应原则是应用的。结果,对相应的弹性问题的时间依赖的弹性爬行问题的减少成为可能。该方法提出了一种方法来确定从层组件的已知性质的平均(有效)弹性爬行性能和均匀的应力场。蠕变内核是卷积类型,并以指数形式拍摄。异质弹性爬行环境的问题减少到均匀横向各向同性培养基的问题。考虑了圆柱形轴表面上的不同边界条件。获得分析溶液。这些显式表达式对于施工实践中的必要计算非常有用。

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