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  • 學位論文

鋼管鷹架結構分析

The Structural Analyses of Pipe Steel Scaffold

指導教授 : 金文森
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摘要


施工架系統為結構工程不可或缺之臨時結構物,本文利用目前已有規範與相關文獻來分析施工架承載能力。本文模擬台灣常見之鋼管施工鷹架進行側推分析與挫屈分析能力評估。參考國家標準CNS 4750 A2067以及安全衛生法規;並利用ETABS與SAP2000結構分析程式與相關文獻的挫屈實驗結果進行比較,以確認分析之準確性。再針對鋼管施工鷹架相關之載重組合分析其挫屈載重與側推之極限承載力,並選取側推承載力與挫屈載重表現都良好之構架,進行多層多跨之側推分析。建議工程實務中鋼管施工鷹架採用簡易型之門型構架單元。

並列摘要


The scaffold system is indispensable to the temporary structure in structural engineering. Scaffold’s load-carrying capacities were analyzed by using the existed standard and examples in related literatures. In this study, the steel pipe scaffolds were simulated by pushover analysis and buckling analysis to estimate their capacities. According to National Standard of the Republic of China, CNS 4750, A2067 and Safety and Health Law, the related buckling experiment results in literatures were compared by ETABS and SAP 2000 analyses to make sure the accuracy of the analyses. By using different load combination, steel pipe scaffolds’ buckling load and limit load were analyzed. Then, the model having the good behavior in buckling and pushover analyses were chosen. The multiple-story and multiple-bay structures with the chosen model were used in pushover analyses. The simple type of scaffold is suggested to be adopted in construction engineering.

參考文獻


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