碳纖維混凝土在反復(fù)荷載下的應(yīng)力-應(yīng)變?nèi)€研究*
鄧宗才 錢在茲
- 摘 要
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鄧宗才 （山東建材學(xué)院 濟南 250022）錢在茲 （浙江大學(xué) 杭州 310027）
[提要] 對碳纖維混凝土做了低周反復(fù)加載試驗，分析了試件的破壞特征及其變形規(guī)律，探討了影響應(yīng)力-應(yīng)變?nèi)€形狀的特征值及與碳纖維摻量的關(guān)系，提出了碳纖維混凝土軸壓應(yīng)力-應(yīng)變?nèi)€的半經(jīng)驗表達式。
[關(guān)鍵詞] 碳纖維混凝土 應(yīng)力-應(yīng)變?nèi)€To study the behavior of carbon fiber reinforced concrete, experimental investigation under cyclic loading uniaxial loading is performed. Through the experimental research, the mathematical formulas are proposed. The law of displacement and all the destructive performance are analyzed. The reasons to affect overall shape of cyclic stress-strain curve are studled．
Keywords: carbon fiber reinforced concrete; cyclic loading; stress-strain curve
