建築構造物の沈下時における剛性の理論的研究

概要

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This report describes a theoretical study on stiffness of buildings during settlement. Buildings settlement is effected by its stiffness. This stiffness is influenced not only by building elastic stiffness but also by immediate settlement of building and concrete-creep. There are three kinds of stiffness, they are elastic stiffness of building, stiffness including influence of immediate settlement, and stiffness including influence of immediate settlement and concrete creep. To study charasteistics of these stiffness, settlement calculations of tow model buildings and several cases of a building on ground with a different elastic modulas are performed. For calculations of immediate settlement, the double intearation of Mindlin's equation for displacement is performed. And this result is used in calculations. Aa the results of this study, the fact is found that difference between two latter stiffness is small and the rate of incrase is a few percent. But difference between these stiffness and elastic stiffness of building is fairly large, the rate of increase is scores times of the former. And an elastic modulas of ground is larger, stiffness of buildings also larger.
一般社団法人日本建築学会の論文
1991-03-15