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- Material Type
- 文書・図像類
- Author/Editor
- 塩屋, 晋一
- Author Heading
- Publication, Distribution, etc.
- Alternative Title
- Control of depressing resultant displacements and failures in RC frame subjected to large displacements due to Earthquake
- Text Language Code
- jpn
- Target Audience
- 一般
- Note (General)
- 2009-2011年度科学研究費助成事業(科学研究費補助金(基盤研究(C)))研究成果報告書 課題番号：21560595 研究代表者：塩屋晋一 (鹿児島大学大学院理工学研究科(工学系)教授)鉄筋コンクリート造建物が大地震時に大変形を経験しても,構造体の損傷を軽微に留め，残留変形角を抑制する技術開発である。梁降伏形機構を想定して、梁上端筋を高強度鉄筋にして残留変形抑制機構を部材内部に内蔵させる梁の概念を提案し，制震構造と同様に最大応答後の振動を利用して残留変形を抑制できることを明らかにした。また降伏する１階柱では軸力による復元モーメントにより最大応答後の振動を利用して残留変形が抑制できることを明らかにした。This project is to develop a structural design that would depress resultant displacements and failures in reinforced concrete building subjected to large displacements due to Earthquake. A concept of RC beams has been proposed, which is to make top reinforcement high strength steel bar and give the beams secondary stiffness after yielding of bottom reinforcement. This make it possible to depress resultant displacements and failures in RC frame subjected to large displacements due to Earthquake.