The aim to improve the efficiency of wooden panel houses led to a significant improvement in the design of vertical enclosure structures. However, the structure of the floor slab panel was left unchanged. The authors of this work guessed that it is possible to reduce the cost of panel-wooden individual houses without reducing the strength characteristics by increasing the efficiency of the floor structure. With this purpose, drop-beams were introduced, which proved their effectiveness by trial and error method. To determine the influence of the drop-beam on the floor structure, this article presents the calculation of the structure in the first-order approximation according to Hooke's law, and a positive effect on the panel with a span of up to six meters was revealed. Additional research is needed for the panels spanning more than six meters.
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