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随着“平战结合”方针的深入贯彻,要求工程建设体现战备效益,社会效益、经济效益。这不仅要求工事布局合理,使用方便、装修美观大方,而且对工事内空间利用也提出了更高的要求。无梁楼盖这一板柱结构也相继在人防工程中被采用。它具有视野宽旷、空间利用好、施工方便、经济节约等优点。但在工程设计中这一空间结构的受力机理尚不很明确,设计计算方法仍较粗糙。特别是在人防工程中承受大集度动载作用的箱形无梁楼盖结构,其设计计算还存在很多问题,急待需研究解决。故我人防教究室承担了这个项目的实验研究。完成了静力模型试验,并做了动力模型的检验性试验。
With the thorough implementation of the principle of “combination of peace and warfare”, it is required that project construction embodies combat effectiveness, social benefits and economic benefits. This not only requires a reasonable layout of work, easy to use, beautiful and generous decoration, but also put forward higher requirements for space utilization. The slab structure of beamless floor coverings has also been adopted in civil air defense projects one after another. It has the advantages of wide vision, good space utilization, convenient construction, and economical saving. However, in the engineering design, the force mechanism of this spatial structure is not yet clear, and the design and calculation methods are still relatively rough. Especially in the case of a box-shaped beamless floor structure that is subjected to large-scale dynamic loads in civil air defense projects, there are still many problems in its design and calculation, and it is urgent to study and solve it. Therefore, my Civil Defense Research Institute undertook an experimental study of this project. The static model test was completed and the test of the dynamic model was performed.