地震を受ける2相構造系の塑性吸収エネルギー評価

概要

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Dual structural system under earthquake is considered. The one structural subsystem (X1) is modeled as the main structure with relatively high strength allowing small plastic region, absorbing plastic energy (E1). The other structural subsystem (X2) is a substructure with relatively low strength but high absorbing plastic energy capacity (Ed). The objective of the study is to evaluate the earthquake resistance of this dual structural system with respect to relation between E1 and Ed. Three evaluation models on absorbing plastic energy of structure are introduced. Then parametric study is performed on absorbing plastic energy capacity of subsystems X1, X2 and also characteristics of three models are evaluated.
2005-03-31