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摘要


建築技術規則明訂高樓結構需要檢核極限基底剪力,乃確保每樓層都有一定程度的抗剪能力,且沒有劇烈之勁度變化。針對現行之規範,其並未明確訂定極限基底剪力之計算方式。本文提出直接彎矩平衡法,嘗試取出結構體中之一柱線為自由體,以直接彎矩平衡求得該柱線之極限基底剪力,對其餘各柱線以同樣方式計算並加總後,便可以求得整體結構之極限基底剪力,並與業界常見之勁度分配法與彈塑性比例法做比較並採用案例作分析。由分析結果驗證直接彎矩平衡法之可行性,對於現代建物,其有強柱弱梁之特性,因此工程師得以使用直接彎矩平衡法來分析其極限基底剪力。

並列摘要


The verification of ultimate story shear is asked by building code to ensure the shear strength is sufficient and no significant variation of stiffness for each story. However, there is no exact definition about calculation of ultimate story shear from the current building code. In this paper, a new method named direct moment equilibrium method is proposed. The ultimate shear is determined by directly taking moment equilibrium for each column. The ultimate story shear is obtained by taking summation of ultimate shear from each column. The proposed direct moment equilibrium method is also compared with two other methods which are familiar in practical application. Finally, the complexity of calculation and feasibility of the direct moment equilibrium method are verified.

被引用紀錄


賴濤(2017)。既有中高樓層建築之耐震評估與補強—外置RC構架暨剪力牆複合工法〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU201703421
賴昱志(2016)。外加RC構架補強之試驗研究及其於公共建物之應用〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU201601973

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