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題 名 | 以有限元素法探討鋼筋比高寬比與牆體厚度參數對RC剪力牆之影響=A Parametric Study on the Influence of the Steel Ratio, Height to Width Ratio and Wall Thickness to RC Shear Wall Using Finite Element Method |
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作 者 | 李有豐; 陳泰成; 徐增興; | 書刊名 | 混凝土科技 |
卷 期 | 6:2 2012.11[民101.11] |
頁 次 | 頁26-39 |
分類號 | 441.557 |
中文摘要 | 本文以ANSYS有限元素軟體,針對前人研究之RC剪力牆試體進行非線性側推分析,其中試體包含高、中、矮型RC剪力牆三座,並將分析結果與實驗結果進行比較。對於高型剪力牆,本文採用參數為鋼筋比、高寬比、牆體厚度:開口剪力牆則改變牆體厚度進行分析。經分析結果與前人文獻結果比較後,發現其分析之側推力值雖比實驗高,但其降伏位移與牆體整體之力-位移曲線趨勢皆與實驗結果相似,牆體裂縫分布範圍亦與實驗相似。高型RC剪力牆於增加鋼筋比可提高牆體強度,裂縫分布範圍亦擴大,增加牆體厚度強度亦提升,但提升效果並不明顯,牆體增厚之裂縫分布範圍則相對減少,增加牆體高寬比,則造成牆體強度降低,但產生降伏強度之位移延後發生,裂縫分布則有往牆底集中之趨勢。 |
英文摘要 | This study is to simulate the experimental results of RC wall under the nonlinear pushover analysis by finite element method. The specimens include three types of RC shear wall (in high, medium and low mode) and framed shear walls with opening. By changing the steel reinforcement ratio, the ratio of height to width and the wall thickness, the nonlinear pushover analysis is conducted for evaluation. Comparing the experimental and analytical results, the trends of the force-displacement relationships and the crack distributions of the RC walls are similar to each other. The increase of the steel ratio of RC shear wall leads to the increase of the strength of the RC wall as well as the cracks distribution scope. The increase of the thickness of RC shear wall leads to the slight increase of the strength of the RC wall, but the decrease of the cracks distribution region. The increase of the height to width ratio of RC shear wall causes the decrease of the strength of the RC wall. |
本系統中英文摘要資訊取自各篇刊載內容。