The study of up-and-down stiffness ratio of the transfer story of high-building structure

The paper studies on the problem of up-and-down stiffness ratio of transfer story, using a high-building structure as example. According to the definition of the up-and-stiffness ratio in Technical specification for concrete structure of tall building, under the situation of example, the paper makes a derivation on the formulae. With the results of derivation and the analysis of effects of shear-wall thickness on stiffness ratio, the paper puts forward some suggestion on design of transfer story.