轻钢模网改性聚苯颗粒混凝土墙受压性能研究
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TU398.9

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Study on the compression performance of the composite wall with lightweight steel die net and modified expanded polystyrene granule concrete
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    摘要:

    轻钢模网改性聚苯颗粒混凝土结构是一种新型结构体系。为了解其力学性能,采用 ABAQUS 有限元软 件,建立了轻钢模网改性聚苯颗粒混凝土复合墙体的数值模型,研究了复合墙体在轴压荷载作用下的受力状态和 破坏模式,并探究了不同开孔率的轻钢对复合墙体的影响。研究结果表明:该复合墙体是一种受力性能良好的新 型结构构件,轻钢、钢板网和改性聚苯颗粒混凝土三者能较好的协同工作,其受压破坏形态与框架填充墙类似。 钢板网使复合墙体的极限承载力增加了 6%。因此,作为竖向受力的承重

    Abstract:

    The composite wall with lightweight steel die net and modified expanded polystyrene granule concrete is a novel structure system. In order to understand its mechanical properties, the numerical model of the composite wall is established by the finite element software ABAQUS. The stress state and failure mode of composite wall under axial compression load are analyzed, and the influence of light steels with different opening ratios on the mechanical performances of composite wall is explored. The results show that the composite wall is a novel structural member with good mechanical performance, in which the lightweight steel, the die net and the modified expanded polystyrene granule concrete can work cooperatively. The failure pattern of the composite wall is similar to that of frame infilled wall. The die net increases the ultimate bearing capacity of the composite wall by 6%. It is suggested that the lightweight steel with the 30% open ratio should be selected as the vertical load-bearing component in the composite wall.

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杨伟军,罗瑞峰.轻钢模网改性聚苯颗粒混凝土墙受压性能研究[J].交通科学与工程,2020,36(3):19-27.
YANG Wei-jun, LUO Rui-feng (School of Civil Engineering, Changsha University of Sciences & Technol. Study on the compression performance of the composite wall with lightweight steel die net and modified expanded polystyrene granule concrete[J]. Journal of Transport Science and Engineering,2020,36(3):19-27.

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  • 在线发布日期: 2022-06-09
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