This paper analyses the performance of the experimental setups to assess the punching strength of slab‐column connections in continuous flat slabs under vertical and horizontal loading. In the last years, several experimental campaigns have been performed to investigate the punching strength of slab‐column connections, but most of the experimental tests concerned isolated slab‐column connections. Among the few setups aimed at reproducing the eccentric punching failure in continuous flat slabs, the setup developed at the NOVA School of Science and Technology in Lisbon is considered in this paper. The performance of the Lisbon setup is assessed through nonlinear finite element analyses, calibrated on experimental data, by comparison with numerical results of a theoretical continuous setup. Then, the performance of the isolated setups, used in many researches and at the base of some international codes, is also evaluated through the same finite element model. Numerical analyses highlight that the setup developed in Lisbon could provide reliable ultimate rotations of continuous flat slab connections, but it underestimates the punching strength. Despite isolated setups lead to similar results when compared with the Lisbon setup, the latter seems to provide a better representation of a continuous slab‐column connection. The numerical analyses presented in this paper have been performed assuming monotonic lateral loading.

中文翻译：

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连续平板的偏心冲孔强度—不同实验装置的分析

本文分析了实验装置的性能，以评估水平和垂直荷载下连续平板中平板-圆柱连接的冲压强度。在过去的几年中，已经进行了几次实验来研究板-柱连接的抗冲强度，但是大多数实验测试都与孤立的板-柱连接有关。在少数旨在再现连续平板中偏心冲孔故障的装置中，本文考虑了由里斯本NOVA科学技术学院开发的装置。通过对实验数据进行校准的非线性有限元分析，通过与理论连续设置的数值结果进行比较，来评估Lisbon设置的性能。然后，执行隔离设置 也通过相同的有限元模型对许多研究中使用的和以某些国际规范为基础的模型进行了评估。数值分析表明，在里斯本开发的装置可以提供连续平板连接的可靠最终旋转，但它低估了冲压强度。尽管与里斯本设置相比，孤立的设置会产生相似的结果，但后者似乎可以更好地表示连续的平板-柱连接。本文中提出的数值分析是在假设单调侧向载荷的情况下进行的。但是它低估了冲压强度。尽管与里斯本设置相比，孤立的设置会产生相似的结果，但后者似乎可以更好地表示连续的平板-柱连接。本文中提出的数值分析是在假设单调侧向载荷的情况下进行的。但是它低估了冲压强度。尽管与里斯本设置相比，孤立的设置会产生相似的结果，但后者似乎可以更好地表示连续的平板-柱连接。本文中提出的数值分析是在假设单调侧向载荷的情况下进行的。