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郝彤，劉立新，鞏耀娜
（鄭州大學(xué)土木工程學(xué)院，鄭州 450002）[摘要] 通過逆向加載的方式對混凝土多孔磚砌體的應(yīng)力-應(yīng)變曲線進(jìn)行試驗(yàn)研究。分析了混凝土多孔磚砌體受壓過程不同階段的特征，并與普通磚砌體進(jìn)行比較。試驗(yàn)表明，混凝土多孔磚砌體呈現(xiàn)出較普通磚砌體更為明顯的脆性特征。提出了反映砌體受壓應(yīng)力-應(yīng)變?nèi)€的本構(gòu)關(guān)系，該本構(gòu)關(guān)系包含了混凝土多孔磚砌體受壓試驗(yàn)所表現(xiàn)出的幾乎全部特征。
[關(guān)鍵詞] 混凝土多孔磚；應(yīng)力-應(yīng)變曲線；本構(gòu)關(guān)系；試驗(yàn)研究Experimental research on the total stress-strain curve of concrete porous brick masonry
Hao Tong, Liu Lixin, Gong Yaona
(Civil Engineering College of zlengZhou University, ZhengZhou 450002, China)Abstract: The stress-strain curve of concrete porous brick masonry is studied by the way of the reverse load. The characteristics of concrete porous brick masonry in different stages are analyzed, and it is compared with the ordinary brick masonry. The experimental results indicated that concrete porous brick masonry has more significantly brittle characteristics than ordinary brick masonry. The compressive stress-strain curve is advanced, and the constitutive relationship shows almost all the characteristics in the concrete porous brick masonr comression tests.
Keywords: concrete porous brick; stress-strain curve; constitution relationship; experimental research
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