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首页> 外文期刊>KSCE journal of civil engineering >Seismic Performance of Encased Steel Plate-Reinforced Gangue Concrete Composite Shear Walls
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Seismic Performance of Encased Steel Plate-Reinforced Gangue Concrete Composite Shear Walls

机译：包装钢板增强煤矸石混凝土复合剪力墙的地震性能

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摘要

In this paper, a new type of shear wall, referred to as encased steel plate-reinforced gangue concrete composite shear wall, is proposed. To investigate the seismic performance of the shear wall, one of the specimens was subjected to monotonic loading, and the remaining 5 specimens were tested under reversed cyclic loading. The failure mode, hysteretic and skeleton curve, strength degeneration, stiffness degeneration, ductility and energy dissipation capacity of these specimens were compared and analyzed. In addition, finite element models were also established and verified using the test results. Furthermore, the effects of the height-to-width ratio and the axial compression ratio on the seismic behavior of the composite wall were explored. The experimental and numerical results indicate that the specimen has a large load-carrying capacity, excellent ductility and energy dissipation capacity, little strength degradation and minimal stiffness degradation. Moreover, the results also show that the method of welded stiffened short reinforcement on the surface of the steel plate can significantly improve the bond interaction between the steel plate and gangue concrete to maintain the overall work performance of gangue concrete and steel as well as the load bearing capacity of the specimen.
机译：本文提出了一种新型的剪力墙，称为钢板增强煤矸石混凝土复合剪切壁。为了探讨剪切壁的地震性能，将其中一种样品进行单调负载，并在逆转的环状载荷下测试其余5个样品。比较和分析了这些标本的失效模式，滞后和骨架曲线，强度变性，刚度变性，延展性和能量耗散能力。此外，还使用测试结果建立和验证有限元模型。此外，探讨了高度宽度比和轴向压缩比对复合壁的地震行为的影响。实验性和数值结果表明，样品具有大的负载承载能力，优异的延展性和能量耗散能力，较小的强度降解和最小的刚度降解。此外，结果还表明，钢板表面焊接加强的短加强件的方法可以显着提高钢板和煤矸石混凝土之间的粘接相互作用，以维持煤矸石混凝土和钢的整体工作性能以及负荷标本的承载力。

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