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Kitamura, Seiji; Morishita, Masaki; Yabana, Shuichi*; Hirata, Kazuta*; Umeki, Katsuhiko*
Proceedings of 2009 ASME Pressure Vessels and Piping Division Conference (PVP 2009) (CD-ROM), 8 Pages, 2009/07
Ishiguro, Katsuhiko*; Ueda, Hiroyoshi*; Wakasugi, Keiichiro*; Sakabe, Yasushi*; Kitayama, Kazumi*; Umeki, Hiroyuki; Takase, Hiroyasu*
Engineered Barrier Systems (EBS) in the Safety Case; The Role of Modelling, p.167 - 180, 2007/02
Japanese siting approach calls for volunteer host municipalities for an HLW repository and places particular emphasis on design flexibility. The repository concept should be developed to be tailored to the given siting environments. Starting from the H12 repository concept, NUMO has been examining a range of possible repository design options including EBS. The requirements and strategy of model development for performance assessment and process understanding have been discussed taking into account the step-wise, iterative process of development of repository concepts. The areas further to develop the models and databases in the long-term R&D programme have been identified as a wish list in order to evaluate a range of potential repository concepts, focusing on the near-field for the early stages of development process. Among the issues in the list, NUMO has started the development of a flexible computer code for three-dimensional mass transport model to evaluate various design options and components of the EBS. This tool has been applied for the analysis of the barrier effects of the tunnel plugs placed in fractured rock media.
Sato, Haruo; Ashida, Takashi; Kohara, Yukitoshi*; Yui, Mikazu; Umeki, Hiroyuki; Ishiguro, Katsuhiko
PNC TN8410 92-164, 31 Pages, 1992/09
None
Shibutani, Tomoki; Yoshikawa, Hideki; Sato, Haruo; Yui, Mikazu; Umeki, Hiroyuki; Ishiguro, Katsuhiko
PNC TN8410 92-163, 51 Pages, 1992/09
None
Kato, Atsushi; Negishi, Kazuo; Akiyama, Yo*; Iwasaki, Mikinori*; Takami, Shinji*; Umeki, Katsuhiko*
no journal, ,
Steel plate reinforced concrete structure are adopted as the JSFR containment vessel to shorten a construction period. This reports experimental investigation of pull out strength of connecting stud.
Negishi, Kazuo; Iwasaki, Mikinori*; Takami, Shinji*; Umeki, Katsuhiko*
no journal, ,
The JSFR adopts SCCV for the quality improvement and reduction of construction term. For commercialization of JSFR, we have carried out the research and development of not only the study on SCCV structure and construction term at the site but also the material strength test and analysis. These series presentation show the results. In this presentation, the results of the experiments and evaluation of out-of-plane shear strength of SCCV structure reinforced by web plates are shown.
Kato, Atsushi; Negishi, Kazuo; Iwasaki, Mikinori*; Akiyama, Yo*; Umeki, Katsuhiko*
no journal, ,
Japan Sodium-cooled Fast Reactor (JSFR) adopts a new concept of a containment vessel called steel plate reinforced concrete containment vessel (SCCV). The SCCV is considered to be effective to shorten construction schedule thanks for elimination of rebar work at a site compared with applying the reinforced concrete CV. JAEA has been investigating its characteristics under high thermal load to adopt the SC structure to a CV. This paper mainly describes the experimental study on SCCV opening and penetration.
Umeki, Hiroyuki; Naito, Morimasa; Ishiguro, Katsuhiko*
no journal, ,
no abstracts in English
Kato, Atsushi; Negishi, Kazuo; Sato, Kenichiro*; Akiyama, Yo*; Hara, Hiroyuki*; Iwasaki, Mikinori*; Abe, Ganji*; Tokiyoshi, Takumi*; Okafuji, Takashi*; Umeki, Katsuhiko*; et al.
no journal, ,
Report research and development activities related to steel plate reinforced concrete containment vessel for the JSFR conducted as a part of METI commissioned research.
Hirata, Kazuta*; Yabana, Shuichi*; Umeki, Katsuhiko*; Kitamura, Seiji
no journal, ,
no abstracts in English
Shirai, Kazutaka*; Umeki, Katsuhiko*; Yabana, Shuichi*; Kitamura, Seiji
no journal, ,
no abstracts in English
Anabuki, Takuya*; Umeki, Katsuhiko*; Yabana, Shuichi*; Kitamura, Seiji
no journal, ,
no abstracts in English
Umeki, Katsuhiko*; Anabuki, Takuya*; Inaba, Satoru*; Yabana, Shuichi*; Kitamura, Seiji
no journal, ,
no abstracts in English
Kanazawa, Kenji*; Nagata, Seiji*; Yabana, Shuichi*; Hirata, Kazuta*; Umeki, Katsuhiko*; Kitamura, Seiji
no journal, ,
no abstracts in English
Umeki, Hiroyuki; Naito, Morimasa; Ishiguro, Katsuhiko*
no journal, ,
no abstracts in English
Anabuki, Takuya*; Umeki, Katsuhiko*; Yabana, Shuichi*; Hirata, Kazuta*; Kitamura, Seiji
no journal, ,
no abstracts in English
Yabana, Shuichi*; Kanazawa, Kenji*; Hirata, Kazuta*; Umeki, Katsuhiko*; Kitamura, Seiji
no journal, ,
no abstracts in English
Kato, Atsushi; Negishi, Kazuo; Akiyama, Yo*; Iwasaki, Mikinori*; Okafuji, Takashi*; Abe, Ganji*; Somaki, Takahiro*; Umeki, Katsuhiko*; Fukushima, Yasuaki*; Sawamoto, Yoshikazu*
no journal, ,
Steel plate reinforced concrete structure are adopted as the JSFR containment vessel to shorten a construction period. This reports project summary of SCCV Research and Development.
