{"_buckets": {"deposit": "2d870eb0-58a1-460c-b76c-16a569e88b5a"}, "_deposit": {"created_by": 7, "id": "7353", "owner": "7", "owners": [7], "owners_ext": {"displayname": "NIED-IR_test", "username": null}, "pid": {"revision_id": 0, "type": "depid", "value": "7353"}, "status": "published"}, "_oai": {"id": "oai:nied-repo.bosai.go.jp:00007353", "sets": ["1762323839639"]}, "author_link": ["1447", "140", "301", "63", "279", "249", "1576", "1912", "1913", "1914", "1915", "1916", "1917"], "control_number": "7353", "item_10002_biblio_info_7": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2025-11-21", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "524", "bibliographicPageEnd": "70", "bibliographicPageStart": "1", "bibliographic_titles": [{"bibliographic_title": "防災科学技術研究所研究資料", "bibliographic_titleLang": "ja"}, {"bibliographic_title": "Technical Note of the National Research Institute for Earth Science and Disaster Resilience", "bibliographic_titleLang": "en"}]}]}, "item_10002_description_5": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "既設の光ファイバケーブルを用いたDASにより，従来よりも高密度・高精度に地盤の振動特性を把握し，10 m以下の高密度な間隔で地盤の揺れを計測可能であることを確認した．また，高密度の振動計測を長期間モニタリングすることにより取得される膨大な計測データを効率的に処理するための技術を開発した．さらに，DASの高密度データと微動探査データを組み合わせて地震波干渉法による解析を行い，解像度50 m以下の広域地盤モデルを作成可能な手法を開発した．", "subitem_description_language": "ja", "subitem_description_type": "Abstract"}, {"subitem_description": "By using DAS with existing optical fiber cables, we confirmed that ground vibration characteristics can be captured with higher density and accuracy than conventional methods, enabling measurement of ground shaking at intervals of 10 m or less. We also developed technology to efficiently process the large amount of measurement data acquired through long-term monitoring of high-density vibration measurements. Furthermore, by combining the high-density DAS data with microtremor survey and performing analysis using seismic wave interference methods, we developed a technique capable of creating large-scale ground models with a resolution of 50 m or less.", "subitem_description_language": "en", "subitem_description_type": "Abstract"}]}, "item_10002_identifier_registration": {"attribute_name": "ID登録", "attribute_value_mlt": [{"subitem_identifier_reg_text": "10.24732/NIED.00007353", "subitem_identifier_reg_type": "JaLC"}]}, "item_10002_publisher_8": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "防災科学技術研究所", "subitem_publisher_language": "ja"}, {"subitem_publisher": "National Research Institute for Earth Science and Disaster Resilience", "subitem_publisher_language": "en"}]}, "item_10002_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "1347-748X", "subitem_source_identifier_type": "EISSN"}]}, "item_creator": 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"subitem_title_language": "ja"}, {"subitem_title": "Development of Ground Monitoring Method Using Optical Fiber DAS", "subitem_title_language": "en"}]}, "item_type_id": "10002", "owner": "7", "path": ["1762323839639"], "permalink_uri": "https://doi.org/10.24732/NIED.00007353", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2025-11-21"}, "publish_date": "2025-11-21", "publish_status": "0", "recid": "7353", "relation": {}, "relation_version_is_last": true, "title": ["光ファイバDASと微動探査を組み合わせた地盤モニタリング手法開発"], "weko_shared_id": -1}