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Experimental Study on Collapse Displacement of Reinforced Concrete Wall Subjected to Shear Failure
reinforced concrete,shear wall,shear failure,collapse behavior,lateral load-displacement curve,
|Publication Year :||2019|
除了進行實驗外，本研究亦收集國內外之剪力牆相關實驗結果，使用美國ASCE/SEI 41-17 (ASCE 2017)規範與曹君婕(2018)之建議方法，對剪力牆倒塌點位移進行預測與比較。透過觀察實驗與分析結果，提出一套針對不同變形方式之剪力牆倒塌點位移預測的建議方法，此分析模型可適時反應單雙曲率變形對試體倒塌點位移之影響，亦綜合考量試體作用軸壓、垂直主筋量與水平鋼筋量，對倒塌點位移做良好預測。
The reinforced concrete shear wall is the key member against collapse and damage of a structure. Thus, it is necessary to understand its behavior. Because there are only few experimental data available on the collapse test of shear wall, and most testing layouts were based on single-curvature bending test. In order to investigate the influential parameters of shear wall during collapse, 8 low-rise shear walls without openings were tested in this study, along with the varied parameters of the axial load and the horizontal shear reinforcement. Tests were carried out using reversed cyclic testing with a double-curvature bending layout.
In addition to experimental study, available experimental results, relevant to shear wall, were collected. By using the ASCE/SE1 41-17 specification (ASCE 2017) and the proposed method by Tsao (2018), this study proposed a method to predict the displacement of the shear wall at collapse point. The proposed model could reasonably reflect the influence of either single or double-curvature bending effect on the collapse displacement of shear wall. Moreover, it comprehensively takes into the account of the acting axial load, the amount of vertical primary steel bars and the amount of horizontal steel bars, to make a reasonable prediction on the collapse displacement of shear wall.
|Appears in Collections:||土木工程學系|
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