{"created":"2023-03-31T02:14:57.223569+00:00","id":5142,"links":{},"metadata":{"_buckets":{"deposit":"4609ca56-873e-4c21-90eb-17b1c1d2dad3"},"_deposit":{"id":"5142","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"5142"},"status":"published"},"_oai":{"id":"oai:nied-repo.bosai.go.jp:00005142","sets":[]},"author_link":[],"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2010"},"bibliographicIssueNumber":"766","bibliographicPageEnd":"744","bibliographicPageStart":"737","bibliographicVolumeNumber":"76","bibliographic_titles":[{"bibliographic_title":"日本機械学会論文集 A編","bibliographic_titleLang":"ja"},{"bibliographic_title":"TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Fatigue failure accompanied by ratchet deformation is well known as one of the failure modes of pressurized pipes under high-level cyclic load. In this research, the process of failure of such pipes was investigated based on the experimental result in which a straight pipe failed by repeatedly increasing cyclic input displacement amplitude in stages. The strain behavior, moment-deflection relationship, and observed damage were compared with the stress level used in the seismic design of the piping system. As a result, no significant damage was observed and the moment-deflection relationship remained almost linear within the primary stress limit of 3S_m, although the strain showed elastic-plastic behavior at some measurement points. In the experiment, damage was observed at the applied load levels of approximately 5S_m of the primary stress, and 0.15 and more of the fatigue damage index, i.e., the usage factor based on the design. The test results showed that there is a certain time margin before failure occurs to actual piping systems, compared with its designed stress limitation.","subitem_description_language":"ja","subitem_description_type":"Other"},{"subitem_description":"Fatigue failure accompanied by ratchet deformation is well known as one of the failure modes of pressurized pipes under high-level cyclic load. In this research, the process of failure of such pipes was investigated based on the experimental result in which a straight pipe failed by repeatedly increasing cyclic input displacement amplitude in stages. The strain behavior, moment-deflection relationship, and observed damage were compared with the stress level used in the seismic design of the piping system. As a result, no significant damage was observed and the moment-deflection relationship remained almost linear within the primary stress limit of 3S_m, although the strain showed elastic-plastic behavior at some measurement points. In the experiment, damage was observed at the applied load levels of approximately 5S_m of the primary stress, and 0.15 and more of the fatigue damage index, i.e., the usage factor based on the design. The test results showed that there is a certain time margin before failure occurs to actual piping systems, compared with its designed stress limitation.","subitem_description_language":"en","subitem_description_type":"Other"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"一般社団法人 日本機械学会","subitem_publisher_language":"ja"},{"subitem_publisher":"The Japan Society of Mechanical Engineers","subitem_publisher_language":"en"}]},"item_10001_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1299/kikaia.76.737"}}]},"item_10001_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0387-5008","subitem_source_identifier_type":"ISSN"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"中村 いずみ","creatorNameLang":"ja"},{"creatorName":"NAKAMURA Izumi","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"大谷 章仁","creatorNameLang":"ja"},{"creatorName":"OTANI Akihito","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"白鳥 正樹","creatorNameLang":"ja"},{"creatorName":"SHIRATORI Masaki","creatorNameLang":"en"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_title":"配管系の耐震安全性評価に関する研究 : 第1報,繰り返し載荷を受ける直管の作用荷重レベルと損傷状況の比較","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"配管系の耐震安全性評価に関する研究 : 第1報,繰り返し載荷を受ける直管の作用荷重レベルと損傷状況の比較","subitem_title_language":"ja"},{"subitem_title":"Study on the Estimation of Safety Margin of Piping System Against Seismic Loading : 1st Report, Damage Observations of the Straight Pipes Subjected to Cyclic Load Amplitudes of Various Levels","subitem_title_language":"en"}]},"item_type_id":"40001","owner":"1","path":["1670839190650"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-03-30"},"publish_date":"2023-03-30","publish_status":"0","recid":"5142","relation_version_is_last":true,"title":["配管系の耐震安全性評価に関する研究 : 第1報,繰り返し載荷を受ける直管の作用荷重レベルと損傷状況の比較"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-03-31T02:14:59.787771+00:00"}