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混凝土軟化模式對鋼筋混凝土扭力強度之影響

Effect of Softened Model of Concrete on Torsion Strength of Reinforced Concrete Beam

摘要


本研究以不同之混凝土軟化組成律,利用軟化桁架模式評估鋼筋混凝土梁之扭力強度,並與文獻上已發表之實驗相比較,並比較各種軟化模式所造成之軟化係數、扭轉角及受壓斜桿角度,以驗證其適用性。研究結果顯示,Zhang和Hsu(1998)、Belarbi和Hsu(1991)、Vecchio和Collins(1998)之Model A、Ueda等人(1991),所建議之軟化組成律所得之平均值較接近實驗值,且變異係數最小。

並列摘要


This paper presents the result of using a softened truss model with different softened constitutive laws of concrete to predict the torsion strength of reinforced concrete beams. And, that solution will reveals to experimental data. The results of predictions show that the softened constitute laws of concrete proposed by Zhang and Hsu (1998), Belarbi and Hsu (1991), Vecchio and Collins [Model A] (1998), and Ueda et al. (1991) can well predict torsion strength of reinforced concrete beams.

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