弾性支持された曲げ勢断型構造物モデルの混合型逆定式化による地震時変形制約設計

概要

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A new seismic stiffness design method is developed for an elastically supported shear-flexural building model. A closed form solution is derived to a hybrid inverse eigenmode problem for a specified fundamental frequency and a specified set of deformation quantities in the lowest eigenmode. Two lemmas are introduced and proved to derive sufficient conditions for the specified fundamental frequency and deformation quantities to provide positive story stiffnesses. The solution is then shown to be useful and efficient for developing a direct method of seismic-deformation constrained design of the elastically supported shear-flexural building model with the fundamental frequency and deformation quantities as the principal parameters for adjustment. Design examples are presented to demonstrate the usefulness of this design method. Time-history analysis is performed to demonstrate the validity and accuracy of this design method.
一般社団法人日本建築学会の論文
1993-03-20