bottom reinforced concrete frame的意思|示意

The fire stability of the columns of bottom reinforced concrete frame business living building is studied by means of numerical simulation.

采用计算机数值模拟方法研究了某钢筋混凝土底框架商住楼柱子的耐火稳定性。

For median and low-rise reinforced concrete frame, the structures are dominated by shear deformation, which leads to the story drift of the bottom story large while the upper story small.

对于中低层钢筋混凝土框架结构，结构的变形以剪切变形为主，造成结构的层间位移角底部楼层偏大而上部楼层较小。