Abstract
This article focuses on the layout of three types of large-span floor slabs with ordinary concrete ribbed beams, restressed beams, and box-shaped slabs combined with specific engineering projects. By using finite element software, the vibration comfort of the three kinds of structural schemes was evaluated from the aspects of structural dynamic characteristics, jump load response and so on. The analysis results show that the common ribbed beam system can meet the vibration comfort requirement of the slab under reasonable plane layout. Restressed beam system has little effect on the frequency of natural vibration of the floor slab. The box beam system can increase the natural vibration frequency of the vertical vibration of the floor and improve the vertical vibration performance of the floor.
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