混凝土內(nèi)含角鋼骨架梁的延性及計算方法*
薛建陽 趙鴻鐵
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薛建陽 （西安交通大學(xué) 710049）趙鴻鐵 （西安建筑科技大學(xué) 710055）
[提要] 通過8根混凝土內(nèi)含角鋼骨架梁的試驗，研究了加荷全過程截面的應(yīng)變變化規(guī)律。根據(jù)對構(gòu)件變形實測數(shù)據(jù)的統(tǒng)計分析，得到延性系數(shù)的一般計算公式。
[關(guān)鍵詞] 混凝土 角鋼骨架 梁 裂縫 應(yīng)變 協(xié)調(diào)系數(shù) 延性According to the test of 8 angle steel skeleton encased concrete beams, the varied regular of strain across section during loading is studied, and the formula for calculating ductility factor is put forward in terms of the statistic analysis of the experimental data.
Keywords: angle steel skeleton; concrete beam; crack; strain; coordinate factor; ductility
