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单层等高的铰接排架,采用剪力分配法最为简捷,概念也最清楚,这是众所公认的;然而对于复式厂房排架即不能直接应用[1],因为高低跨处的柱,它的上下两段的抗势劲度相互影响关系限不明确,而且与荷载有关,不能直接求出其形常数。 如图1所示Q_(ak)与Q_(kn)随a点及K点的变位而变化,著者在1958年发表的侧移传播法[3],也曾提出过这种柱的修正抗剪劲度,但不能直接应用于剪力分配,而是通过侧移传播后再求剪力。
Single-height hinged bundles, using the shear distribution method is the most simple, the concept is also the most clear, which is generally recognized; However, for the double-cutting plant can not be directly applied [1], because the high and low cross-section of the column, Its upper and lower two stages of resistance to the impact of the relationship between the impact of uncertainty is not clear, but also related to the load, can not be directly found its shape constant. As shown in Fig. 1, Q_(ak) and Q_(kn) change with the changes of point a and point K. The lateral migration method [3] published by the author in 1958 also proposed the correction of this column. Shear stiffness, but can not be directly applied to shear distribution, but after the side-shift propagation of shear.