本研究主要針對鋼筋混凝土非韌性接頭之補強行為進行實驗探討，共施作三座強梁弱柱之實尺寸三方束制之外柱接頭試體，並對其進行碳纖維複合材料貼片(Carbon fiber reinforced polymer, 簡稱CFRP)震前補強，以比較補強前後對耐震性能提升成效。本文實驗分別施作兩座補強試體與一非韌性接頭試體，補強行為以接頭表面補強方向做為區別，以討論纖維方向不同對補強能力造成的影響。實驗進行時以柱軸力模擬結構物垂直載重並對其柱頂施加水平層間剪力以模擬結構物於地震力作用下的行為，並以數位影像相關係數法對試體位移與接頭應變場進行觀察分析。
試驗結果顯示強化纖維補強可使梁柱接頭之剪力強度、勁度、能量消散均有大幅提升，而在補強試體可以觀察到梁構件上塑鉸的產生，顯示強化纖維補強改變強梁弱柱試體的破壞模式。由此證實本文所施作之補強方法可有效提升梁柱接頭抗水平力性能。
文末以觀察非韌性接頭應變場變形形式對文獻模型提出修正，以對其層間剪力進行估計，並以纖維表面應變量推測纖維貢獻，對本文試體及文獻試體進行驗證後均得到不錯的結果。

This thesis presents an experimental study to strengthen the shear capacity of non-ductility RC beam-column joints by using Carbon fiber reinforced polymer (CFRP). Three full-scale exterior joint specimens, including one non-ductility specimen and two reinforced specimens with different fiber’s direction in the joint region were tested in this study. All specimens were tested by a MTS hydraulic jack in this study. A new optical technique, digital image correlation technique, was used to measure displacement and strain fields.
The test results showed that CFRP can improve the stiffness, strength, and energy dissipation capacity of the joint. Specimens JE1 and JE2 can be observed plastic hinges; which means CFRP can be used to improve the joint that the type “strong beam and weak column” to “weak beam and strong column”. A modified model was proposed to predict the column shear stress of the joint. Comparing the test and analytical value, they agree well with each other. It demonstrates that the proposed model can be used to predict the column shear stress of the joint well.

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