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就目前为止,从受力性能上分析,钢框架柱和梁的连接有半刚性连接,刚性连接,铰性连接常用的3种,在传统模式上的钢框架分析和设计为了使其简单化,设梁柱连接结构为完全的刚性或理想铰接。事实上,任一刚性连接皆具有一定的柔性,而且,铰接连接具有一定程度上的刚性,理想中的铰接与刚接是很难存在的。也就是说,梁柱连接都是为处于铰接、刚接之间半刚性连接结构方式。但为了研究上的方便性,设计上的简明性。我们对于只要连接结构构造对转动约束达到理想刚接结构大于90%,则可以认为是刚接结构构造。对于那些把外力作用下,梁柱轴线夹角改变量是否达到理想的铰接结构大于80%的连接方式,则应视为铰性连接结构。所以,对于那些处在两者之间的连接方式,就可以称为半刚性连接。钢框架结构作为现代结构中最常见的结构形式之一,结构分析应当依据结构的实际工作性能确定的计算模型来进行系统分析。梁柱连接性能的结果,将对计算模型准确性造成一定程度上的影响。工程中,半刚性连接结构的形式多样性将会直接影响半刚性连接结构的性能。钢框架结构性能的影响随之复杂化。故而,实际工程中,全面考虑连接半刚性结构的结构分析与设计。就需要进行多方面系统的分析研究。
So far, from the analysis of mechanical properties, steel frame column and beam connections are semi-rigid connection, rigid connection, hinge connection commonly used in the three, in the traditional model of the steel frame analysis and design in order to make it simple, Beam-column connection structure is completely rigid or ideal articulation. In fact, any rigid connection has a certain degree of flexibility, moreover, the hinged connection has a certain degree of rigidity, and the ideal hinged and rigid connection are difficult to exist. In other words, beam and column connections are in the hinged, just connected between the semi-rigid connection structure. But for the sake of convenience on the study, the design is concise. We can consider the structure of a just-connected structure as long as the rotational constraint of the structure of the connecting structure reaches more than 90% of the ideal rigid-connecting structure. For those under the action of external force, the angle between beam and column axis change is to achieve the ideal hinge structure is greater than 80% of the connection, it should be considered as a hinged connection. So, for those who are in between the two connections, it can be called semi-rigid connection. As one of the most common structural forms in modern structures, the steel frame structure should be analyzed systematically based on the calculation model determined by the actual working performance of the structure. The results of beam-column connection performance will have a certain impact on the accuracy of the calculation model. In engineering, the formal diversity of semi-rigid connection structure will directly affect the performance of semi-rigid connection structure. The impact of the structural properties of steel frames is compounded. Therefore, in practical engineering, the structural analysis and design of semi-rigid structures are fully considered. You need to conduct a multi-faceted systematic analysis.