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对于刚构的内力计算,卡尼法是个十分简便而又足够准确的方法,且能自动除误。特别是对于有侧移的多跨多层复式刚架的计算,是力矩分配法所无法与之比拟的。然而,按照一般的卡尼方法计算单跨多层刚架(比如导架、空腹桁架梁等),将引起很大的误差,其甚者可达100%或更多。这主要是柱(或称为弦杆)的轴向力所致。在多跨多层刚架中,由于水平裁荷作用产生的切力.要比同时产生的轴力大很多。反过来说。即在水平裁荷作用下的多
For rigid internal force calculation, Carney method is a very simple and accurate enough method, and can automatically remove errors. Especially for the calculation of multi-span multi-span composite rigid frame with lateral displacement, the moment distribution method can not be compared with it. However, calculating a single span multi-story rigid frame (such as a guide frame, an empty truss girder, etc.) according to the general Carney method will cause a great error, which may even be as high as 100% or more. This is mainly due to the axial force of the column (or chord). In multi-span multi-story rigid frames, the shear force due to horizontal loading is much greater than the simultaneous generation of axial forces. on the other hand. That is, under the role of horizontal load more