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Limit Analysis of Geometrically Hardening Composite Steel-Concrete Systems / Stany Graniczne Geometrycznie Wzmacniaj?cych Si? Konstrukcji Zespolonych

机译:几何硬化复合钢混凝土系统的极限分析/几何加固的极限状态复合结构

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The paper considers some results of creating load-carrying composite systems that have uprated strength, rigidity and safety, and therefore are called geometrically (self-) hardening systems. The optimization mathematic models of structures as discrete mechanical systems withstanding dead load, monotonic or low cyclic static and kinematic actions are proposed. To find limit parameters of these actions the extreme energetic principle is suggested what result in the bilevel mathematic programming problem statement. The limit parameters of load actions are found on the first level of optimization. On the second level the power of the constant load with equilibrium preloading is maximized and/or system cost is minimized. The examples of using the proposed methods are presented and geometrically hardening composite steel-concrete system are taken into account.
机译:本文考虑了创建具有更高强度,刚度和安全性的承载复合系统的一些结果,因此被称为几何(自)硬化系统。提出了具有静载,单调或低周静态和运动学作用的离散机械系统结构的优化数学模型。为了找到这些动作的极限参数,提出了一种极端的能量原理,从而导致了双层数学编程问题的陈述。负载动作的极限参数位于优化的第一级。在第二级,具有均衡预加载的恒定负载的功率被最大化和/或系统成本被最小化。给出了使用所提出方法的示例,并考虑了几何硬化复合钢混凝土系统。

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