由於RC結構之力學行為較為複雜，不易以有限元素軟體精確模擬其地震力作用下之結構行為，若改以振動台實驗進行測試又需花費大量的時間與金錢建立試體模型。有鑑於此，本文擬發展複合實驗技術(hybrid testing)以改善上述RC結構耐震研究方面的問題。複合實驗技術為結合數值模擬與結構試驗技術之研究方法，此技術可大幅減少實驗所需之成本，又可反應真實RC構材之複雜力學行為。而本文擬建立適合於RC結構之複合實驗平台，該平台係結合開放式有限元素軟體OpenSees (Open System for Earthquake Engineering Simulation)、中介軟體OpenFresco (Open source Framework for Experimental Setup and Control)與MTS公司所開發之實驗控制軟體MTS CSIC (Computer Simulation Interface and Configurator)。
為了解近斷層震波對於中高樓RC建物之影響，國家地震中心台南實驗室曾進行1/2縮尺七層樓RC結構之振動台實驗，而本文擬透過所發展之複合實驗平台以該重現七層樓RC結構之振動台實驗結果。本文首先以單層鋼構架實驗確認本文複合實驗硬體設備之可行性，接著利用ETABS作為輔助，以建立七層樓RC結構之OpenSees數值模型及OpenFresco複合模型，並據以進行RC結構之複合實驗。最後再將複合實驗結果分別與數值模型模擬結果及振動台實驗結果進行比較。另外，對於實驗後已開裂之RC試體再以環氧樹脂(epoxy)進行修復，並藉由修復前後之複合實驗結果，以探討環氧樹脂對RC結構之修復成效。本文七層樓RC結構複合實驗結果顯示，其與數值模型模擬結果相當吻合，雖然現階段受限於單頻道輸出入之實驗技術，部份樓層之反應與振動台實驗結果仍有差異，不過已可部分重現振動台實驗之實驗數據，故可驗證本文複合實驗技術於大型RC結構應用上之可行性。

Because the mechanical behavior of RC structures is relatively complicated, it is difficult to accurately simulate its seismic dynamic response using a finite element software. In view of this, this study aims to develop a hybrid testing (HT) method to mitigate the above-mentioned problems, and to establish an HT platform suitable for testing RC structures for the National Center for Research on Earthquake Engineering (NCREE). Hybrid testing is a research approach that combines numerical simulation and structural testing, The proposed platform is a combination of the open-source finite element software OpenSees (Open System for Earthquake Engineering Simulation), middle software OpenFresco (Open source Framework for Experimental Setup and Control) and experimental control software MTS CSIC (Computer Simulation Interface and Configurator).
A shaking table test of a 1/2-scaled seven-story RC structure was conducted in the Tainan Laboratory of NCREE. This study intends to reproduce the results of the shaking table test of the seven-story RC structure through the established HT platform. In this study, the ETABS was used as an auxiliary finite-element software that helps establish the OpenSees numerical model for the seven-story RC structure, and then the OpenFresco hybrid model was built based on the OpenSees model and used to conduct the HT for the RC structure under median to extreme seismic loadings. Finally, the damaged RC specimen was repaired with epoxy after the experiment, and the seismic capacity of the epoxy-repaired RC structure was investigated by the same HT platform. The HT results of the seven-story RC structure show that it is quite consistent with the simulated results of the numerical model built by the OpenSees. It is also demonstrated that the dynamic responses of the shaking table test can be partially reproduced by the HT method, although there are some differences in the response of the certain floors. Therefore, the feasibility of the hybrid testing platform developed in this study for the application of large-scale RC structures is verified.

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