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http://dx.doi.org/10.5000/EESK.2021.25.3.121

A Study on the Nonlinear Restoring Force Characteristics for Shear Wall Structures by JEAC 4601  

Lee, Won Hun (Econing Co.,Ltd)
Kim, Hee Kyun (Econing Co.,Ltd)
Song, Sung Bin (Econing Co.,Ltd)
Hwang, Kee Tae (Econing Co.,Ltd)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.25, no.3, 2021 , pp. 121-128 More about this Journal
Abstract
Structures of domestic nuclear power plants are designed to perform elastic behavior against beyond design earthquakes, but studies on the nonlinear behavior of structures have been insufficient since the beyond design earthquake. Accordingly, it is judged that it will be necessary to develop an evaluation method that considers the nonlinear behavioral characteristics to check the safety margin for a standard nuclear power plant structure. It is confirmed that the restoring force characteristics for each member level can be identified through the calculation formula, and the lateral stiffness for each story can also be easily calculated by JEAC 4601. In addition, as a result of applying the evaluation method of JEAC 4601 as a nonlinear restoring force model of the nuclear power plant, a certain degree of safety margin can be identified.
Keywords
JEAC 4601; Earthquake; Nuclear power plant; Non-linear restoring force;
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