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本文提出一个利用初参数法概念的刚架动力计算方法。对于开口刚架，联立方程式的数 目不多于两个。对于闭合刚架，如多层多间的房尾刚架，则联立大程式的数目将和立柱数目 相等。由于方法的概念很直接和简单，并且它并不因为刚架节点有移动而增加困难。因此， 可以认为容易被接受和掌握的。 文中在做了一中空腹衍架的强迫振动和自由振动的计算，可以说明这个方法是有效而便 利的。
This paper presents a rigid frame dynamic calculation method using the concept of initial parameters. For open frames, the number of simultaneous equations does not exceed two. For a closed rigid frame, such as a multi-story room-to-room rigid frame, the number of simultaneous large programs will be equal to the number of columns. Since the concept of the method is straightforward and simple, it does not increase the difficulty of moving the rigid frame node. Therefore, it can be considered easily accepted and mastered. The calculation of forced vibration and free vibration of a hollow-belt truss frame is illustrated in this paper, which shows that this method is effective and convenient.