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首页> 外文会议>EUR 21431; Final Conference of Cost Action C12; 20050120-22; Innsbruck(AT) >Composite joints - rotational capacity
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Composite joints - rotational capacity

机译：复合接头-旋转能力

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摘要

Until now composite joints are designed as pinned or as continuous joints. A continuous joint requires stiffeners in the column and high degrees of reinforcement, whereas a pinned joint requires some minimum reinforcement for crack width control that however is not considered to provide any moment capacity. Optimised solutions are partial-strength joints that consider the moment resistance and that allow easy and cheap producible joints with small degrees of reinforcement and without stiffeners in the column. Using partial strength joints, in the ULS in structural systems a moment redistribution occurs resulting in a certain rotation in the joint, the so-called required rotational capacity. It has to be taken care for that the available rotational capacity of the joint is sufficient in comparison to the required rotation. In this publication means are given in order to calculate the required and the available rotational capacity.
机译：到目前为止，复合关节被设计为固定或连续关节。连续的接缝需要在柱中加劲肋并具有较高的加固程度，而固定的接缝需要一些最小的加固来控制裂缝宽度，但是这不被认为可以提供任何弯矩承载力。优化的解决方案是考虑抗弯矩的部分强度接头，该接头可实现简单而廉价的可生产接头，且接头的加固程度小，且在立柱中没有加强筋。使用部分强度接头，在结构系统的ULS中会发生力矩重新分布，从而导致接头中发生一定的旋转，即所谓的所需旋转能力。必须注意，与所需的旋转相比，接头的可用旋转能力足够。在该出版物中，给出了计算所需的和可用的旋转能力的手段。

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