One of the commonly used structural systems in buildings worldwide includes flat slabs supported by steel columns. A key issue in these systems is ductility of the connection between slab and column. Common details for nonprestressed slabs to steel column joints are recommended by well-known references, but specific details for post-tensioned slabs are rarely reported. In this study, specific details have been proposed for connections of post-tensioned flat slabs to steel columns. The details include top and bottom steel plates, vertical stiffeners, and post-tensioned high-strength bolts. To examine the details, a half-scale specimen is subjected to reversed-cyclic loading with increasing amplitude. The test shows that the connection remains elastic up to a drift of 1%, exhibits stable nonlinear response up to a drift of 3.5%, and could tolerate relatively large lateral drifts up to 6% without losing gravity load capacity. The test also indicates that prestressing level, gravity shear force magnitude, and dimensions of horizontal steel plates are important factors that affect seismic behavior of the proposed connection.

全球建筑物中最常用的结构系统之一包括由钢柱支撑的平板。这些系统中的关键问题是平板和立柱之间连接的延展性。众所周知的参考文献推荐了非预应力板到钢柱节点的共同细节，但是后张应力板的具体细节很少被报道。在这项研究中，提出了将后张拉的平板连接到钢柱的具体细节。详细信息包括顶部和底部钢板，垂直加强筋和后张紧的高强度螺栓。为了检查细节，对半比例试样进行了幅度增大的反向循环加载。测试表明，连接保持弹性直至1％的漂移，表现出稳定的非线性响应，直至3.5％的漂移，并且可以承受高达6％的相对较大的侧向漂移而不会失去重力负载能力。该测试还表明，预应力水平，重力剪切力大小和水平钢板的尺寸是影响拟建连接的地震行为的重要因素。