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題名 | 中低層RC建築結構非線性耐震分析--以1/3縮尺RC校舍結構模型振動臺試驗結果驗證之=Seismic Assessment for Low-Rise RC Building Structures--Illustrated by 1/3 Scaled RC Structure Shaking Table Specimens |
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作者 | 杜怡萱; 許茂雄; 許士昱; | 書刊名 | 中國土木水利工程學刊 |
卷期 | 15:3 2003.09[民92.09] |
頁次 | 頁531-543 |
分類號 | 441.571 |
關鍵詞 | 耐震診斷; 非線性分析; 鋼筋混凝土; 振動臺試驗; Seismic assessment; Nonlinear analysis; Reinforced concrete; Shaking table test; |
語文 | 中文(Chinese) |
中文摘要 | 本文介紹一種適用於中低層RC建築結構之理論耐震分析法:靜態推垮曲線法 (Static Pushover Method),並以三座1/3縮尺二層樓RC校舍結構模型振動臺試驗結果驗證之。此方法根據921地震實際震害中RC中低層建築常見之弱柱強梁破壞現象以及振動臺試驗結果,以剪力屋變形模式為基本假設,可對建物分層分向進行單向靜態非線性分析,利用疊合個別垂直構件側力-變形曲線之方式,求出整體樓層之層剪力-樓板層間變位曲線。本文根據三座振動臺試體試驗結果與理論分析之比對將原郭之診斷方法加以適當修正,使其在破壞模式之判定與側力-變形曲線之預測上皆有更加準確的結果。 |
英文摘要 | A seismic assessment method, static pushover analysis, is presented in this paper and exaimed by three one-third scale, 2-story RC school building structure shaking table specimens. According to a common strong-beam weak-column failure behavior of low-rise RC buildings damaged by the Chi-Chi Earthquake and the experimental results of the shaking table test, the assessment method presented in this paper assumes a shear-building deformation mode. It can provide static nonlinear seismic analysis for a building structure story by story and direction by direction. Shear force-lateral displacement curve of assessed story can be obtained from summing up the force-deformation curve of each single vertical member at the assessed story in the assessed direction. Based on the comparison with the shaking table test results, the analytical method is properly modified from Kuo's paper to get more accuracy on evaluating failure modes and lateral force-displacement curves. |
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