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波折开孔板连接件基本力学性能试验

, PP. 46-52

Keywords: 桥梁工程,波折开孔板,试验研究,强度,刚度,延性

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Abstract:

?为了研究和开发钢与混凝土组合结构中的新型连接件,提出了一种新型连接件——波折开孔板连接件。进行了3个波折开孔板连接件推出试验和3个普通开孔板连接件推出试验,测试了这2种连接件的基本力学性能,对试验结果进行了比较和分析,得到了波折开孔板连接件的荷载-滑移关系,并拟合出在正常使用状态和极限承载力状态下的相对刚度表达式。试验结果表明:波折开孔板连接件具有优越的力学性能,其抗剪强度比普通开孔板连接件提高24%,其抗剪刚度比开孔板连接件也有较大提高,达到极限荷载时其延性为普通开孔板连接件的1.9倍。

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