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本文提出了采用弯矩调幅法设计框架梁时要对框架柱产生不利影响的观点,并给出考虑这种影响的近似计算方法.用该方法计算的例题表明当调幅系数取0.8时,对底层框架柱弯矩的不利影响可达20％以上.
This paper puts forward the idea that the frame beam should be adversely affected when designing the frame beam with the bending moment amplitude modulation method, and gives an approximate calculation method considering this effect. The example calculated with this method shows that when the amplitude modulation coefficient is taken as 0.8, the The adverse effect of the bending moment of the frame column can reach more than 20%.