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为了研究和开发适用于钢-混凝土组合结构简便且实用的新型抗剪连接件,提出了一种新型连接件——新型槽钢连接件。设计、制作了3组不同类型的剪力连接件共9个,分别为新型槽钢连接件、角钢连接件和开孔钢板连接件,完成了极限承载力试验,并对试验结果进行了比较和分析。试验结果表明:新型槽钢连接件具有优越的力学性能,因其抗剪面积比较大,其极限承载力明显比角钢连接件和开孔钢板连接件高,且混凝土与连接件界面的相对滑移量比较小。最后运用有限元及公式对试验试件的极限承载力进行计算分析,并与试验结果进行了对比,结果吻合较好。
In order to study and develop a new type of shear-resistant connector which is suitable for the steel-concrete composite structure, a new type of connector, a new type of channel connector, is proposed. Three different types of shear connectors were designed and manufactured, which are new type of steel channel connectors, angle steel connectors and perforated steel plate connectors respectively. The ultimate bearing capacity test was completed and the test results were compared analysis. The experimental results show that the new type of steel channel connector has superior mechanical properties. Because of its large shear area ratio, its ultimate bearing capacity is obviously higher than that of angle steel and open steel plate, and the relative slip of interface between concrete and connector The amount is relatively small. Finally, the ultimate bearing capacity of the test specimen is calculated and analyzed by finite element method and the formula. The results are in good agreement with the experimental results.