So as to maintain stability, the existing floors composed of cast-iron posts and slab beams were methodically replaced by a new structure composed of mushroom posts and concrete floors poured on site.
为了保证稳定性，由铸铁构件和厚板梁组成的原有楼层均被由一种新的结构来取代，这种新的结构由新型连接构件和现浇混凝土楼板组成。
Through the analysis of the stress characteristics of the circular pipe cavity mushroom floor, this paper analyzes the calculating model and method of the floor slab.
通过分析圆管式空心无梁楼盖的受力特点，分析了此楼板体系的计算模型及计算方法。
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