正交双向曲边板上荷载传递和分配规律的研究

An Investigation Into the Transferring and Distributing Law of Loading on an Orthogonal Two-way Curved Slab

本文首先根据弹性理论建立双向曲边板上荷载传递和分配的精确模型,并讨论边界曲度和支承情况对荷载的传递和分配值的影响。然后按照最短传力路径原理提出一个实用的简化模型。数值计算表明:两个模型的计算结果能很好吻合。当使曲边板退化为直边板时,采用这一实用简化模型算出的数值与通常的矩形板分角线模型的计算结果完全一致。

In this paper,an accurate model for the transferring and distributing of load on a two-way curved slab is developed first according to Theory of Elasticity and the influence of the boundary curvature and supporting condition on the value of the transferred and distributed load is discussed. Then, according to the shortest way principle for load transferring,a practical simplified model is presented. Numerical calculation shows that the results obtained from these two models agree very well with each other. When the curved slab is deteriorated into a straight-adge one, the calculation results from the practical agree completelly with those obtained from the commonly used bisector model for a rectangular slab.