リアルスケールGFRP複合フレーム構造のDISIPATEとRecentre (D&R) 実験キャンペーン:データセット
José Gonilha1,2, João Ramôa Correia2,3, Manuela Buttazzi4
1IDMEC, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal.
Open research Europe
|February 13, 2026
まとめ
ガラス繊維強化ポリマー (GFRP) プロファイルで作られた大型複合フレームは,地震負荷下での優れた構造的整合性を示しました. これらのGFRP構造は,地震耐性を示す,最小限の損傷で,2%の階層間漂流まで安定性を維持しました.
科学分野:
- 構造工学 構造工学とは
- 材料科学 材料科学とは
- 複合材料 複合材料は複合材料で作られています.
背景:
- ガラス繊維強化ポリマー (GFRP) プロファイルを使用した複合フレーム構造は,建設における潜在的な利点を提供します.
- これらの新しい構造物の地震性能を理解することは,それらの広範な採用に不可欠です.
研究 の 目的:
- 横向負荷下でのGFRP複合材のフレーム構造の大規模試験からの実験データを拡散する.
- GFRPフレーム構造物の耐震性能を,補強システムと無しに評価する.
主な方法:
- 4つのフルスケール複合フレームの標本が,プルトルーデッドGFRPプロファイルとステンレス鋼の接続を使用して構築されました.
- サンプルは,ELSAの反応壁で単調または周期的な横軸負荷試験を受けた.
- テストでは,コンクリート板を使って準永久的な負荷レベルをシミュレートした.
主要な成果:
- GFRPのフレーム構造は,補強されたものと補強されていないものの両方で,構造的整合性を最大2%の階層間の漂流まで維持しました.
- 標本には非常に限られた損傷が観察され,重要な漂流レベルでも.
- 性能は,単調な負荷条件と周期的な負荷条件の両方で一貫していました.
結論:
- GFRP複合材のフレーム構造は,高い構造的整合性と地震への耐性を示しています.
- これらの発見は,GFRPフレームが地震耐性設計の実行可能な選択肢であることを示唆しています.
- この実験データを基に,さらなる研究が進められ,高度な構造的な応用が可能になります.
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