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Choi, B.; Nishida, Akemi; Nakajima, Norihiro
no journal, ,
Research and development of three-dimensional vibration simulation technologies for nuclear facilities is one mission of the Japan Atomic Energy Agency (JAEA). In this paper, we report a seismic response analysis of the 2011 off the Pacific coast of Tohoku Earthquake using three-dimensional models of the High-Temperature Engineering Test Reactor (HTTR) building. We performed a parametric study by using uncertainty parameters. Furthermore, we examined the variation in the response result for the uncertainty parameters to create a valid 3D finite element model.
Ota, Yoshimi*; Nishida, Akemi; Tsubota, Haruji
no journal, ,
Many empirical formulas have been proposed for evaluating the local damage to reinforced concrete structures caused by rigid missile impact. Most of these formulas have been derived based on impact tests perpendicular to target structures and up to now few impact tests oblique to target structures has been carried out. Therefore, the purpose of this study is to propose a new formula for evaluating the local damage caused by oblique impact based on past experimental results and simulation results. In this presentation, a new formula is derived by modifying a past empirical formula of normal impact and the conformity of the formula to the results of past oblique impact tests is discussed.