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首页> 外文会议>SSTA(Shell Structures: Theory and Applications) Conference; 20051012-14; Jurata(PL) >Bridge over Vistula river in Kiezmark. Practical application of nonlinear shell FEM system
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Bridge over Vistula river in Kiezmark. Practical application of nonlinear shell FEM system

机译：在维斯杜拉河在基兹马克的桥梁。非线性壳有限元系统的实际应用

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摘要

After 40 years of service, the steel bridge over the Vistula river in Kiezmark (national road no 7) was under reconstruction. The main reason for the works was to lift up its carrying capacity to level "A", according to the current load code. During the reconstruction large, not acceptable by the code, web deformations of the main girders were found in all the spans of the bridge. These deformations were recognized as initial defects. Several numerical analyses were done in order to find out the influence of the initial imperfections on the capacity of the structure. FEM models with large deformations and plasticity were developed using SOFiSTiK FEM system. (On the basis of the presented work, Road Administration decided to leave the deformed parts of the structure in the unaltered state and continue the reconstruction.
机译：使用40年后，位于Kiezmark的维斯杜拉河上的钢桥（7号国道）正在重建中。进行该工程的主要原因是根据当前的载荷代码将其承载能力提高到“ A”级。在重建过程中，在桥梁的所有跨度中都发现了大梁的腹板变形，这是规范无法接受的。这些变形被认为是初始缺陷。为了找出初始缺陷对结构容量的影响，进行了一些数值分析。使用SOFiSTiK FEM系统开发了具有大变形和可塑性的FEM模型。 （根据提出的工作，道路管理局决定将结构的变形部分保持不变，并继续进行重建。

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