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An evaluation of ductility of high-strength reinforced concrete columns subjected to reversed cyclic loads under axial compression

机译:高强钢筋混凝土柱在轴向压缩下承受反向循环荷载的延性评估

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摘要

An experimental investigation was conducted to examine the behaviour of high-strength reinforced concrete (RC) columns subjected to reversed cyclic and axial compressions, and to find the relationships between amounts of lateral reinforcements and axial load ratios. Twenty column specimens were tested. The test parameters of column specimens were the compressive strength of concrete (f'_c = 25, 52, 70 MPa), axial load ratios (0.3, 0.5f_cA_g) and volumetric ratios of lateral reinforcement (ρ_s = 1.05, 2.1, 3.15%). Test results indicated that axial load ratios and the shape of lateral reinforcement could significantly affect and alter the behaviour of high-strength RC columns under inelastic cyclic loadings.
机译:进行了实验研究,以研究承受反向循环和轴向压缩的高强度钢筋混凝土(RC)柱的性能,并找出侧向钢筋数量与轴向载荷比之间的关系。测试了二十个柱标本。柱试样的测试参数为混凝土的抗压强度(f'_c = 25、52、70 MPa),轴向载荷比(0.3、0.5f_cA_g)和侧向钢筋的体积比(ρ_s= 1.05、2.1、3.15%) 。试验结果表明,在非弹性循环荷载作用下,轴向荷载比和横向钢筋的形状会显着影响和改变高强度钢筋混凝土柱的性能。

著录项

  • 来源
    《Magazine of Concrete Research》 |2007年第1期|p.29-44|共16页
  • 作者

    J.-M. Ahn; S.-W. Shinf;

  • 作者单位

    Department of Architetural Design, Ansan College, Kyeonggido,Korea;

  • 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
  • 中图分类 水泥工业;
  • 关键词

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