The comparisons between the calculation of span central point bending of bi-direction panels,negative moment of backing plate,positive moment of span central point of differential span bi-directio.
并利用双向板跨中挠度计算公式以及不等跨连续双向板的支座负弯矩和跨中正弯矩的计算公式,同常规的双向板的计算公式进行计算比较分析。
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