某超高层结构在水平荷载作用下楼板应力分析

Analysis of Floor Stress of a Super High-rise Structure under Horizontal Load

对于超高层大板结构,楼板不仅要承受竖向荷载和传递水平荷载,且还要协调各抗侧力构件之间的变形。通过YJK软件,采用弹性板6单元进行楼板应力分析,水平荷载下产生的楼板应力与竖向荷载下的应力进行对比分析,可知水平荷载产生的面外弯矩和面内应力不可忽视,给出了应力分布云图和各工况应力对比图表。通过楼板承载力简化计算公式,计算楼板配筋并给出相应楼板构造措施,为以后的工程提供一定的参考。

For super high-rise slab structures, the slab not only bears vertical loads and transmits horizontal loads, but also coordinates the deformation between the anti-lateral forces. Through YJK software, the stress analysis of the floor slab is performed using the elastic plate 6 units. The stress between the floor stress generated under horizontal load and the stress under vertical load is compared and analyzed. It can be seen that the out-of-plane bending moment and in-plane stress produced by the horizontal load cannot be ignored. The stress distribution cloud diagram and the stress comparison chart for each working condition are given. Through the floor slab bearing capacity to simplified calculation formula, the floor reinforcement is calculated and the corresponding floor structure measures are given, to provide a certain reference for future projects.