对板式楼梯设计计算的思考

Thinking on the design and calculation of the plate staircase

楼梯是地震中最主要的安全逃生路线。通过对多次地震破坏现象的分析研究,表明非常有必要对楼梯进行抗震设计,由于传统的楼梯设计计算方法的局限性,建议梯段的板厚度应以梯板斜长为依据而不是它的水平投影长度。

Stairs are the most important safety escape routes in earthquakes. Through the analysis and study of many earthquake damage phenomena,it is very necessary to design the staircase for seismic design. Due to the limitation of the traditional method of staircase design,it is suggested that the thickness of the ladder section should be based on the slope length of the ladder rather than the horizontal projection length.