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本文对多层弹性体系进行了应力与位移的分析。在分析中,假定各层间界面是完全连续的;但对第一层与第二层界面,则考虑了完全连续、完全无摩阻力以及层间有摩阻力但产生相对水平位移等多种情况。由于本文提供的多层体系应力与位移的计算公式比较简洁,很适用于编制柔性路面的优化设计程序。目前,已按本文提供的公式编制了SHARP PC—1500袖珍计算机的BASIC语言源程序,尽管该机内存容量比较小,但仍可计算8层体系中的应力与位移,文中列出了一个5层体系的计算结果。
In this paper, the stress and displacement of multilayer elastic system are analyzed. In the analysis, it is assumed that the interface between layers is completely continuous. However, for the interface between the first layer and the second layer, the conditions of complete continuity, no friction at all, and the friction between the layers but with relative horizontal displacement are considered . Because the calculation formula of stress and displacement of multi-layer system provided in this paper is relatively simple, it is very suitable for the optimization design procedure of compiling flexible pavement. At present, BASIC language source program of SHARP PC-1500 pocket computer has been compiled according to the formula provided in this article. Although the memory capacity of this machine is relatively small, the stress and displacement in 8-layer system can still be calculated. System of calculation results.