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自从无拉力双曲扁壳的设计和试点工程在有关刊物上发表以后,我们经过学习、推广和研究,认为这种壳体用在矩形底边时,在目前的设计理论上还有不够完备之处。虽然国内已有很多同志发表了关于这方面的论文[1][2],但仍然存在一些问题需要继续研究解决。这些问题是:(1)关于矩形底边壳体曲面坐标的确定问题;(2)关于多跨连续壳体的边肋设计问题;(3)关于壳体的实际应用问题。我们针对上述问题进行了试验和研究,现将我们得出的初步成果介绍如下。
Since the design of the no-tension hyperbolic flat shell and the pilot project were published in relevant publications, we have studied, promoted and researched it. We believe that when the shell is used on the rectangular bottom, the current design theory is not complete enough. Department. Although many comrades in China have published papers on this subject[1][2], there are still some problems that need to be solved. These problems are: (1) the problem of determining the coordinates of the curved surface of the rectangular bottom shell; (2) the design of the side ribs of the multi-span continuous shell; (3) the practical application of the shell. We have conducted experiments and studies on the above issues, and we now present the preliminary results we have obtained as follows.