{"created":"2021-03-01T06:52:36.747202+00:00","id":33789,"links":{},"metadata":{"_buckets":{"deposit":"653ef346-611a-4e5c-b5ac-bf07c47738ec"},"_deposit":{"id":"33789","owner":"1","owners":[],"pid":{"revision_id":0,"type":"depid","value":"33789"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00033789","sets":["80:4535:4977:4983","9:504:4538:4979:4984"]},"author_link":["131884","131883"],"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"固有周期計"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1962-11-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"332","bibliographicPageStart":"325","bibliographicVolumeNumber":"40","bibliographic_titles":[{"bibliographic_title":"東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo"}]}]},"item_4_description_13":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_4_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"建物は,風,土地の常時微動,あるいは交通機関などによる不規則な強制力を受けて,たえず微小な振巾で振動しているので,適当な方法でその振動を回析すれば,建物の固有周期を見出すことができるはずである.われわれは,構造形式の異る多くの実在建物について,その常時微動を測定し,振動周期の頻度分布から求めた卓越周期の値と,同じ建物の起振機による振動実験から求められている共振周期の値とを比較し,両者がよく一致することを確かめた.多くの場合,頻度曲線の形は卓越周期を境に左右がほぼ対称であるので,振動の平均周期を測定すれば建物の固有周期に近い値が得られるはずである.固有周期計はこのような考えにもとづいて作られたもので,建物における常時微動の平均周期が簡単な操作で測定できるような直読式計器である.試論の結果,測定値の精度,測定能率などの点で,この計器は充分な実用性をもつことが認められた.","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"131884","nameIdentifierScheme":"WEKO"}],"names":[{"name":"田中, 貞二"}]}]},"item_4_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15083/0000033789","subitem_identifier_reg_type":"JaLC"}]},"item_4_publisher_20":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京大学地震研究所"}]},"item_4_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00162258","subitem_source_identifier_type":"NCID"}]},"item_4_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"00408972","subitem_source_identifier_type":"ISSN"}]},"item_4_subject_15":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"453","subitem_subject_scheme":"NDC"}]},"item_4_text_21":{"attribute_name":"出版者別名","attribute_value_mlt":[{"subitem_text_value":"Earthquake Research Institute, University of Tokyo"}]},"item_4_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"地震研究所"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Tanaka, Teiji"}],"nameIdentifiers":[{"nameIdentifier":"131883","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-06-27"}],"displaytype":"detail","filename":"ji0402007.pdf","filesize":[{"value":"567.4 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ji0402007.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/33789/files/ji0402007.pdf"},"version_id":"66fe0f0f-8985-4dfc-9da1-e8f5a0a624a7"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"An Instrument for Brief Measurement of the Natural Period of a Building","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"An Instrument for Brief Measurement of the Natural Period of a Building","subitem_title_language":"en"}]},"item_type_id":"4","owner":"1","path":["4983","4984"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2008-05-30"},"publish_date":"2008-05-30","publish_status":"0","recid":"33789","relation_version_is_last":true,"title":["An Instrument for Brief Measurement of the Natural Period of a Building"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-12-19T04:08:59.401994+00:00"}