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首页> 外文期刊>Magazine of Concrete Research >Seismic behaviour of lightly reinforced concrete structural walls with openings
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Seismic behaviour of lightly reinforced concrete structural walls with openings

机译：带开口的轻质混凝土结构墙的抗震性能

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摘要

An experimental investigation was carried out to examine the seismic behaviour of three lightly reinforced concrete walls with openings subjected to reversed cyclic loading. The three specimens consisted of one solid wall as the control specimen while the other two walls were detailed with regular or irregular openings. The test results indicate that all three specimens eventually failed when the outermost reinforcing bars fractured while the concrete in the compression zone crushed and spalled severely near the base. The specimen with five openings had ultimate strength and stiffness degradation similar to the control specimen. The specimen with nine openings had a lower ultimate strength but exhibited higher ductility, slower stiffness degradation and a more significant shear contribution than the control specimen. Furthermore, strut-and-tie models were developed to predict the ultimate strength of walls with openings. The results obtained from the strut-and-tie models were found to be consistent with the experimentally observed results.
机译：进行了一项实验研究，以检查三处开口反向循环荷载的轻质混凝土墙的抗震性能。这三个样品由一个实心壁作为对照样品，而另两个实心壁则有规则或不规则的开口。测试结果表明，当最外层钢筋断裂，而受压区的混凝土碎裂并在底部附近严重剥落时，所有三个试样最终都失败了。具有五个开口的样品具有与对照样品相似的极限强度和刚度下降。具有九个开口的标本具有较低的极限强度，但与对照标本相比，具有较高的延展性，较慢的刚度退化和较大的剪切贡献。此外，开发了拉杆-拉杆模型来预测带有开口的墙的极限强度。从撑杆式模型获得的结果与实验观察到的结果一致。

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  • 来源
    《Magazine of Concrete Research》 |2015年第16期|843-854|共12页
  • 作者

    Li Bing; Pan Zuanfeng; Zhao Yiwen;

  • 作者单位

    Nanyang Technol Univ, Sch Civil & Environm Engn, Singapore 639798, Singapore;

    Tongji Univ, Coll Civil Engn, Shanghai 200092, Peoples R China;

    Nanyang Technol Univ, Sch Civil & Environm Engn, Singapore 639798, Singapore;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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