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首页> 外文期刊>Engineering Structures >Experimental study on spatial prefabricated self-centering steel frame with beam-column connections containing bolted web friction devices
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Experimental study on spatial prefabricated self-centering steel frame with beam-column connections containing bolted web friction devices

机译：带有螺栓腹板摩擦装置的梁柱连接的空间预制自定心钢框架的试验研究

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摘要

The structural system of prefabricated self-centering steel frame (PSCF) was proposed previously by the author. Experimental studies focusing on PSCF connections, plane frame, overall structures as well as the numerical simulations were conducted. Compared with the self-centering steel frame (SCF), the PSCF has avoided the on-site aerial tension of steel strands and simultaneously achieves similar seismic performance as well as self-centering capacity. While the self-centering function of both PSCF and SCF may be restrained by conventional floor systems. Based on this thesis, a spatial PSCF with a new type of floor system containing sliding secondary beams was proposed in this paper to enable the frame expansion, and pseudo-dynamic and quasi-static tests toward it were conducted. The test results indicated that the proposed new floor system was reliable and feasible in accommodating the frame expansion. Meanwhile, the spatial PSCF with the new floor system has a favorable self-centering capacity, reliable gap-opening mechanism, superior seismic performance and enough redundancy to withstand multiple aftershocks.
机译：作者先前提出了预制自定心钢框架（PSCF）的结构系统。进行了针对PSCF连接，平面框架，整体结构以及数值模拟的实验研究。与自定心钢框架（SCF）相比，PSCF避免了钢绞线的现场空气张力，同时实现了类似的抗震性能和自定心能力。传统的地板系统可能会限制PSCF和SCF的自定心功能。在此基础上，提出了一种新型的包含滑动副梁的地板系统的空间PSCF框架，以实现框架扩展，并对其进行了拟动力和准静态试验。测试结果表明，所提出的新地板系统在适应框架扩展方面是可靠且可行的。同时，采用新型地板系统的空间PSCF具有良好的自定心能力，可靠的裂口打开机制，出色的抗震性能以及足够的冗余度，可以承受多次余震。

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